octave: liboctave/util/oct-shlib.cc annotate

annotate liboctave/util/oct-shlib.cc @ 30727:bfff3d523690 stable

oct-shlib.cc: Clarify error message if loading library failed. * liboctave/util/oct-shlib.cc (octave_dlopen_shlib::octave_dlopen_shlib): Include possible causes for library loading errors. See: https://octave.discourse.group/t/2080/67

author	Markus Mützel <markus.muetzel@gmx.de>
date	Wed, 09 Feb 2022 19:38:49 +0100
parents	796f54d4ddbf
children	076e19eac74a

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 29572 diff changeset	3 // Copyright (C) 1999-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21661 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21236 diff changeset	27 # include "config.h"
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	28 #endif
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	29
7749 14e05160b99f reference counting for functions loaded from shared libraries John W. Eaton <jwe@octave.org> parents: 7520 diff changeset	30 #include <map>
14e05160b99f reference counting for functions loaded from shared libraries John W. Eaton <jwe@octave.org> parents: 7520 diff changeset	31
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	32 extern "C"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	33 {
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	34 #if defined (HAVE_DLOPEN_API)
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	35 # if defined (HAVE_DLFCN_H)
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	36 # include <dlfcn.h>
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	37 # else
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	38 extern void * dlopen (const char *, int);
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	39 extern const char * dlerror (void);
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	40 extern void * dlsym (void , const char );
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	41 extern int dlclose (void *);
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	42 # endif
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	43 #elif defined (HAVE_LOADLIBRARY_API)
21213 f7d1050b9b53 maint: Clean up various usages of #ifdef. Rik <rik@octave.org> parents: 21202 diff changeset	44 # define WIN32_LEAN_AND_MEAN 1
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	45 # include <windows.h>
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	46 # include <psapi.h>
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	47 #endif
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	48 }
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	49
22146 ef91e43f162a set DLL directory when loading DLLs on Windows systems (bug #48511) John W. Eaton <jwe@octave.org> parents: 21942 diff changeset	50 #include "file-ops.h"
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	51 #include "file-stat.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	52 #include "lo-error.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	53 #include "oct-shlib.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	54 #include "str-vec.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	55
25524 366d4b8f6668 Fix loading of shared libraries from paths with non-ASCII chars on Windows (bug #49118). Markus Mützel <markus.muetzel@gmx.de> parents: 25103 diff changeset	56 #if defined (HAVE_LOADLIBRARY_API)
366d4b8f6668 Fix loading of shared libraries from paths with non-ASCII chars on Windows (bug #49118). Markus Mützel <markus.muetzel@gmx.de> parents: 25103 diff changeset	57 # include "lo-sysdep.h"
366d4b8f6668 Fix loading of shared libraries from paths with non-ASCII chars on Windows (bug #49118). Markus Mützel <markus.muetzel@gmx.de> parents: 25103 diff changeset	58 #endif
366d4b8f6668 Fix loading of shared libraries from paths with non-ASCII chars on Windows (bug #49118). Markus Mützel <markus.muetzel@gmx.de> parents: 25103 diff changeset	59
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	60 namespace octave
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	61 {
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	62 dynamic_library::dynlib_rep::dynlib_rep (const std::string& f)
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	63 : m_count (1), m_fcn_names (), m_file (f), m_time_loaded (),
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	64 m_search_all_loaded (false)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	65 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	66 s_instances[f] = this;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	67
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	68 if (is_out_of_date ())
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	69 (*current_liboctave_warning_with_id_handler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	70 ("Octave:warn-future-time-stamp",
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	71 "timestamp on file %s is in the future", m_file.c_str ());
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	72 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	73
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	74 bool
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	75 dynamic_library::dynlib_rep::is_out_of_date (void) const
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	76 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	77 sys::file_stat fs (m_file);
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	78 return (fs && fs.is_newer (m_time_loaded));
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	79 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	80
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	81 void
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	82 dynamic_library::dynlib_rep::fake_reload (void)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	83 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	84 // We can't actually reload the library, but we'll pretend we did.
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	85 sys::file_stat fs (m_file);
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	86 if (fs && fs.is_newer (m_time_loaded))
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	87 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	88 m_time_loaded = fs.mtime ();
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	89
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	90 (*current_liboctave_warning_with_id_handler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	91 ("Octave:library-reload",
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	92 "library %s not reloaded due to existing references", m_file.c_str ());
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	93 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	94 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	95
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	96 dynamic_library::dynlib_rep *
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	97 dynamic_library::dynlib_rep::get_instance (const std::string& f, bool fake)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	98 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	99 dynlib_rep *retval = nullptr;
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	100 std::map<std::string, dynlib_rep *>::iterator p = s_instances.find (f);
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	101 if (p != s_instances.end ())
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	102 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	103 retval = p->second;
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	104 retval->m_count++;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	105 if (fake)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	106 retval->fake_reload ();
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	107 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	108 else
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	109 retval = new_instance (f);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	110
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	111 return retval;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	112 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	113
23554 b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	114 std::list<std::string>
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	115 dynamic_library::dynlib_rep::function_names (void) const
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	116 {
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	117 std::list<std::string> retval;
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	118
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	119 for (const auto& p : m_fcn_names)
23554 b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	120 retval.push_back (p.first);
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	121
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	122 return retval;
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	123 }
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	124
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	125 void
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	126 dynamic_library::dynlib_rep::add_fcn_name (const std::string& name)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	127 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	128 auto p = m_fcn_names.find (name);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	129
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	130 if (p == m_fcn_names.end ())
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	131 m_fcn_names[name] = 1;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	132 else
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	133 ++(p->second);
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	134 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	135
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	136 bool
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	137 dynamic_library::dynlib_rep::remove_fcn_name (const std::string& fcn_name)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	138 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	139 bool retval = false;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	140
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	141 auto p = m_fcn_names.find (fcn_name);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	142
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	143 if (p != m_fcn_names.end () && --(p->second) == 0)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	144 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	145 m_fcn_names.erase (fcn_name);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	146 retval = true;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	147 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	148
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	149 return retval;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	150 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	151
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	152 std::map<std::string, dynamic_library::dynlib_rep *>
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	153 dynamic_library::dynlib_rep::s_instances;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	154
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	155 dynamic_library::dynlib_rep dynamic_library::s_nil_rep;
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	156
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	157 #if defined (HAVE_DLOPEN_API)
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	158
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	159 class
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	160 octave_dlopen_shlib : public dynamic_library::dynlib_rep
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	161 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	162 public:
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	163
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	164 octave_dlopen_shlib (const std::string& f);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	165
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	166 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	167
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	168 octave_dlopen_shlib (const octave_dlopen_shlib&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	169
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	170 octave_dlopen_shlib& operator = (const octave_dlopen_shlib&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	171
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	172 ~octave_dlopen_shlib (void);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	173
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	174 void * search (const std::string& name,
28057 b3701ea5a48d use std::function object for passing name mangler to search function John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	175 const dynamic_library::name_mangler& mangler
b3701ea5a48d use std::function object for passing name mangler to search function John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	176 = dynamic_library::name_mangler ());
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	177
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	178 // FIXME: this is possibly redundant because failure to open a library will
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	179 // normally throw an exception, avoiding the construction of an invalid
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	180 // library. Leave it here for possible future use.
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	181
24656 cd79f32fba85 Fix errors in changeset f0de21a6a426 (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24653 diff changeset	182 bool is_open (void) const
cd79f32fba85 Fix errors in changeset f0de21a6a426 (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24653 diff changeset	183 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	184 return (m_search_all_loaded \|\| m_library != nullptr);
24656 cd79f32fba85 Fix errors in changeset f0de21a6a426 (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24653 diff changeset	185 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	186
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	187 private:
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	188
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	189 void *m_library;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	190 };
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	191
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	192 octave_dlopen_shlib::octave_dlopen_shlib (const std::string& f)
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	193 : dynamic_library::dynlib_rep (f), m_library (nullptr)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	194 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	195 int flags = 0;
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	196
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	197 // Use RTLD_NOW to resolve all symbols before dlopen returns.
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	198 // By using this option, dlopen will detect errors and Octave
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	199 // won't exit if there are unresolved symbols in the file we are
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	200 // loading, and we may even get a useful diagnostic.
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	201 # if defined (RTLD_NOW)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	202 flags \|= RTLD_NOW;
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	203 # endif
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	204
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	205 // Use RTLD_GLOBAL to export symbols from loaded objects so they are
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	206 // available to other subsequently loaded libraries.
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	207 # if defined (RTLD_GLOBAL)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	208 flags \|= RTLD_GLOBAL;
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	209 # endif
20493 3f01c585f54e oct-shlib.cc: Use RTLD_GLOBAL option for dlopen Mike Miller <mtmiller@octave.org> parents: 19697 diff changeset	210
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	211 if (m_file.empty ())
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	212 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	213 m_search_all_loaded = true;
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	214 return;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	215 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	216
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	217 m_library = dlopen (m_file.c_str (), flags);
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	218
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	219 if (! m_library)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	220 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	221 const char *msg = dlerror ();
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	222
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	223 if (msg)
30727 bfff3d523690 oct-shlib.cc: Clarify error message if loading library failed. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	224 (*current_liboctave_error_handler)
bfff3d523690 oct-shlib.cc: Clarify error message if loading library failed. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	225 ("%s: failed to load\nIncompatible version or missing dependency?"
bfff3d523690 oct-shlib.cc: Clarify error message if loading library failed. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	226 "\n%s", m_file.c_str (), msg);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	227 else
30727 bfff3d523690 oct-shlib.cc: Clarify error message if loading library failed. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	228 (*current_liboctave_error_handler)
bfff3d523690 oct-shlib.cc: Clarify error message if loading library failed. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	229 ("%s: failed to load\nIncompatible version or missing dependency?",
bfff3d523690 oct-shlib.cc: Clarify error message if loading library failed. Markus Mützel <markus.muetzel@gmx.de> parents: 30564 diff changeset	230 m_file.c_str ());
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	231 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	232 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	233
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	234 octave_dlopen_shlib::~octave_dlopen_shlib (void)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	235 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	236 if (m_library)
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	237 dlclose (m_library);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	238 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	239
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	240 void *
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	241 octave_dlopen_shlib::search (const std::string& name,
28057 b3701ea5a48d use std::function object for passing name mangler to search function John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	242 const dynamic_library::name_mangler& mangler)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	243 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	244 void *function = nullptr;
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	245
24656 cd79f32fba85 Fix errors in changeset f0de21a6a426 (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24653 diff changeset	246 if (! is_open ())
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	247 (*current_liboctave_error_handler)
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	248 ("shared library %s is not open", m_file.c_str ());
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	249
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	250 std::string sym_name = name;
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 21109 diff changeset	251
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	252 if (mangler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	253 sym_name = mangler (name);
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 21109 diff changeset	254
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	255 if (m_search_all_loaded)
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	256 function = dlsym (RTLD_DEFAULT, sym_name.c_str ());
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	257 else
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	258 function = dlsym (m_library, sym_name.c_str ());
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 21109 diff changeset	259
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	260 return function;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	261 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	262
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	263 #elif defined (HAVE_LOADLIBRARY_API)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	264
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	265 class
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	266 octave_w32_shlib: public dynamic_library::dynlib_rep
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	267 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	268 public:
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	269
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	270 octave_w32_shlib (const std::string& f);
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	271
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	272 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	273
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	274 octave_w32_shlib (const octave_w32_shlib&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	275
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	276 octave_w32_shlib& operator = (const octave_w32_shlib&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	277
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	278 ~octave_w32_shlib (void);
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	279
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	280 void * search (const std::string& name,
28057 b3701ea5a48d use std::function object for passing name mangler to search function John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	281 const dynamic_library::name_mangler& mangler
b3701ea5a48d use std::function object for passing name mangler to search function John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	282 = dynamic_library::name_mangler ());
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	283
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	284 void * global_search (const std::string& sym_name);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	285
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	286 bool is_open (void) const
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	287 {
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	288 return (m_search_all_loaded \|\| m_handle != nullptr);
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	289 }
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	290
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	291 private:
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	292
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	293 HINSTANCE m_handle;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	294 };
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	295
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	296 octave_w32_shlib::octave_w32_shlib (const std::string& f)
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	297 : dynamic_library::dynlib_rep (f), m_handle (nullptr)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	298 {
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	299 if (f.empty())
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	300 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	301 m_search_all_loaded = true;
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	302 return;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	303 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	304
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23554 diff changeset	305 std::string dir = sys::file_ops::dirname (f);
28175 b895daca20e2 Avoid potential lifetime issues with temporary std::wstring objects. Markus Mützel <markus.muetzel@gmx.de> parents: 28057 diff changeset	306 std::wstring wdir = sys::u8_to_wstring (dir);
27700 6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	307 SetDllDirectoryW (dir.empty ()
28175 b895daca20e2 Avoid potential lifetime issues with temporary std::wstring objects. Markus Mützel <markus.muetzel@gmx.de> parents: 28057 diff changeset	308 ? nullptr : wdir.c_str ());
22146 ef91e43f162a set DLL directory when loading DLLs on Windows systems (bug #48511) John W. Eaton <jwe@octave.org> parents: 21942 diff changeset	309
28175 b895daca20e2 Avoid potential lifetime issues with temporary std::wstring objects. Markus Mützel <markus.muetzel@gmx.de> parents: 28057 diff changeset	310 std::wstring wfile = sys::u8_to_wstring (m_file);
b895daca20e2 Avoid potential lifetime issues with temporary std::wstring objects. Markus Mützel <markus.muetzel@gmx.de> parents: 28057 diff changeset	311 m_handle = LoadLibraryW (wfile.c_str ());
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	312
27700 6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	313 SetDllDirectoryW (nullptr);
22157 c5842206aaea maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 22146 diff changeset	314
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	315 if (! m_handle)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	316 {
27700 6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	317 DWORD last_error = GetLastError ();
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	318
27700 6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	319 wchar_t *error_text = nullptr;
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	320 FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM \|
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	321 FORMAT_MESSAGE_ALLOCATE_BUFFER \|
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	322 FORMAT_MESSAGE_IGNORE_INSERTS,
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	323 nullptr, last_error,
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	324 MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	325 reinterpret_cast <wchar_t *> (&error_text), 0, nullptr);
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	326
27706 847dece1ae10 Include error number in message if library loading fails (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27700 diff changeset	327 std::ostringstream err_str;
847dece1ae10 Include error number in message if library loading fails (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27700 diff changeset	328 err_str << "opening the library '" << m_file << "' failed (error "
847dece1ae10 Include error number in message if library loading fails (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27700 diff changeset	329 << last_error << "): ";
27700 6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	330 if (error_text != nullptr)
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	331 {
27706 847dece1ae10 Include error number in message if library loading fails (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27700 diff changeset	332 err_str << sys::u8_from_wstring (error_text);
27700 6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	333 LocalFree (error_text);
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	334 }
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	335 else
27706 847dece1ae10 Include error number in message if library loading fails (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27700 diff changeset	336 err_str << "Unknown error.";
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	337
27706 847dece1ae10 Include error number in message if library loading fails (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27700 diff changeset	338 (*current_liboctave_error_handler) ("%s", err_str.str ().c_str ());
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	339 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	340 }
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	341
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	342 octave_w32_shlib::~octave_w32_shlib (void)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	343 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	344 if (m_handle)
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	345 FreeLibrary (m_handle);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	346 }
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	347
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	348 void *
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	349 octave_w32_shlib::global_search (const std::string& sym_name)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	350 {
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	351 void *function = nullptr;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	352
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	353 HANDLE proc = GetCurrentProcess ();
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	354
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	355 if (! proc)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	356 (*current_liboctave_error_handler)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	357 ("Unable to get handle to own process.");
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	358
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	359 std::size_t lib_num = 64;
aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	360 std::size_t size_lib = sizeof (HMODULE);
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	361 HMODULE *h_libs;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	362 DWORD bytes_all_libs;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	363 bool got_libs;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	364
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	365 // Get a list of all the libraries in own process.
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	366 h_libs = static_cast<HMODULE > (malloc (size_liblib_num));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	367 got_libs = EnumProcessModules (proc, h_libs, size_lib*lib_num,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	368 &bytes_all_libs);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	369 int ii = 0;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	370 while (((size_lib*lib_num) < bytes_all_libs) && ii++ < 3)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	371 {
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	372 lib_num = bytes_all_libs / size_lib;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	373 h_libs = static_cast<HMODULE *> (realloc (h_libs, bytes_all_libs));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	374 got_libs = EnumProcessModules (proc, h_libs, bytes_all_libs,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	375 &bytes_all_libs);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	376 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	377
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	378 if (got_libs)
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	379 {
29572 aef11bb4e6d1 use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	380 for (std::size_t i = 0; i < (bytes_all_libs / size_lib); i++)
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	381 {
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	382 // Check for function in library.
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	383 function = reinterpret_cast<void *>
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	384 (GetProcAddress (h_libs[i], sym_name.c_str ()));
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	385
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	386 if (function)
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	387 break;
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	388 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	389 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	390
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	391 // Release the handle to the process.
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	392 CloseHandle (proc);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	393
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	394 return function;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	395 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	396
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	397 void *
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	398 octave_w32_shlib::search (const std::string& name,
28057 b3701ea5a48d use std::function object for passing name mangler to search function John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	399 const dynamic_library::name_mangler& mangler)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	400 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	401 void *function = nullptr;
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	402
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	403 if (! m_search_all_loaded && ! is_open ())
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	404 (*current_liboctave_error_handler)
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	405 ("shared library %s is not open", m_file.c_str ());
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	406
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	407 std::string sym_name = name;
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 21109 diff changeset	408
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	409 if (mangler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	410 sym_name = mangler (name);
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 21109 diff changeset	411
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	412 if (m_search_all_loaded)
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	413 function = global_search (sym_name);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	414 else
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	415 function = reinterpret_cast<void *> (GetProcAddress (m_handle,
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	416 sym_name.c_str ()));
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 21109 diff changeset	417
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	418 return function;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	419 }
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	420
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	421 #endif
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	422
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	423 dynamic_library::dynlib_rep *
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	424 dynamic_library::dynlib_rep::new_instance (const std::string& f)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	425 {
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	426 #if defined (HAVE_DLOPEN_API)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	427 return new octave_dlopen_shlib (f);
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	428 #elif defined (HAVE_LOADLIBRARY_API)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	429 return new octave_w32_shlib (f);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	430 #else
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	431 (*current_liboctave_error_handler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	432 ("support for dynamically loaded libraries was unavailable or disabled when liboctave was built");
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	433 #endif
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	434 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	435 }

Mercurial > octave

annotate liboctave/util/oct-shlib.cc @ 30727:bfff3d523690 stable