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

annotate liboctave/util/oct-shlib.cc @ 27700:6455c82d5180

When loading a library display error message from OS on Windows (bug #57202). * oct-shlib.cc (octave_w32_shlib::octave_w32_shlib): Get error message from system resources.

author	Markus Mützel <markus.muetzel@gmx.de>
date	Sat, 16 Nov 2019 15:13:12 +0100
parents	3db033e86376
children	847dece1ae10

rev	line source
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	1 /*
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	2
26376 00f796120a6d maint: Update copyright dates in all source files. John W. Eaton <jwe@octave.org> parents: 25524 diff changeset	3 Copyright (C) 1999-2019 John W. Eaton
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	4 Copyright (C) 2009 VZLU Prague
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	5
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	7
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23795 diff changeset	8 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	9 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23795 diff changeset	10 the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	11 (at your option) any later version.
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	12
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	13 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	14 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	16 GNU General Public License for more details.
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	17
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6123 diff changeset	19 along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23795 diff changeset	20 <https://www.gnu.org/licenses/>.
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	21
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	22 */
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	23
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21661 diff changeset	24 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21236 diff changeset	25 # include "config.h"
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	26 #endif
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	27
7749 14e05160b99f reference counting for functions loaded from shared libraries John W. Eaton <jwe@octave.org> parents: 7520 diff changeset	28 #include <map>
14e05160b99f reference counting for functions loaded from shared libraries John W. Eaton <jwe@octave.org> parents: 7520 diff changeset	29
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	30 extern "C"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	31 {
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	32 #if defined (HAVE_DLOPEN_API)
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	33 # if defined (HAVE_DLFCN_H)
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	34 # include <dlfcn.h>
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	35 # else
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	36 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	37 extern const char * dlerror (void);
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	38 extern void * dlsym (void , const char );
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	39 extern int dlclose (void *);
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	40 # endif
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5307 diff changeset	41 #elif defined (HAVE_LOADLIBRARY_API)
21213 f7d1050b9b53 maint: Clean up various usages of #ifdef. Rik <rik@octave.org> parents: 21202 diff changeset	42 # 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	43 # 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	44 # include <psapi.h>
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	45 #endif
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	46 }
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	47
22146 ef91e43f162a set DLL directory when loading DLLs on Windows systems (bug #48511) John W. Eaton <jwe@octave.org> parents: 21942 diff changeset	48 #include "file-ops.h"
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	49 #include "file-stat.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	50 #include "lo-error.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	51 #include "oct-shlib.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	52 #include "str-vec.h"
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	53
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	54 #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	55 # 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	56 #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	57
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	58 namespace octave
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	59 {
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	60 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	61 : 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	62 m_search_all_loaded (false)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	63 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	64 s_instances[f] = this;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	65
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	66 if (is_out_of_date ())
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	67 (*current_liboctave_warning_with_id_handler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	68 ("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	69 "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	70 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	71
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	72 bool
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	73 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	74 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	75 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	76 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	77 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	78
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	79 void
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	80 dynamic_library::dynlib_rep::fake_reload (void)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	81 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	82 // 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	83 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	84 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	85 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	86 m_time_loaded = fs.mtime ();
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	87
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	88 (*current_liboctave_warning_with_id_handler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	89 ("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	90 "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	91 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	92 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	93
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	94 dynamic_library::dynlib_rep *
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	95 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	96 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	97 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	98 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	99 if (p != s_instances.end ())
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	100 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	101 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	102 retval->m_count++;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	103 if (fake)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	104 retval->fake_reload ();
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	105 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	106 else
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	107 retval = new_instance (f);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	108
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	109 return retval;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	110 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	111
23554 b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	112 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	113 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	114 {
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	115 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	116
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	117 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	118 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	119
b075b1629c26 don't use hook function in dynamic_library::dynlib_rep::close function John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	120 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	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
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	123 void
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	124 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	125 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	126 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	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 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	129 m_fcn_names[name] = 1;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	130 else
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	131 ++(p->second);
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	132 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	133
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	134 bool
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	135 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	136 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	137 bool retval = false;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	138
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	139 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	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 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	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 m_fcn_names.erase (fcn_name);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	144 retval = true;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	145 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	146
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	147 return retval;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	148 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	149
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	150 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	151 dynamic_library::dynlib_rep::s_instances;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	152
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 dynamic_library::s_nil_rep;
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	154
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	155 #if defined (HAVE_DLOPEN_API)
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	156
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	157 class
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	158 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	159 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	160 public:
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	161
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	162 octave_dlopen_shlib (const std::string& f);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	163
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	164 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	165
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	166 octave_dlopen_shlib (const octave_dlopen_shlib&) = delete;
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& operator = (const octave_dlopen_shlib&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	169
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	170 ~octave_dlopen_shlib (void);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	171
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	172 void * search (const std::string& name,
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	173 dynamic_library::name_mangler mangler = nullptr);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	174
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	175 // 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	176 // 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	177 // library. Leave it here for possible future use.
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	178
24656 cd79f32fba85 Fix errors in changeset f0de21a6a426 (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24653 diff changeset	179 bool is_open (void) const
cd79f32fba85 Fix errors in changeset f0de21a6a426 (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24653 diff changeset	180 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	181 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	182 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	183
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	184 private:
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	185
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	186 void *m_library;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	187 };
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	188
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	189 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	190 : 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	191 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	192 int flags = 0;
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	193
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	194 // 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	195 // 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	196 // 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	197 // 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	198 # if defined (RTLD_NOW)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	199 flags \|= RTLD_NOW;
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	200 # endif
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	201
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	202 // 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	203 // 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	204 # if defined (RTLD_GLOBAL)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	205 flags \|= RTLD_GLOBAL;
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	206 # endif
20493 3f01c585f54e oct-shlib.cc: Use RTLD_GLOBAL option for dlopen Mike Miller <mtmiller@octave.org> parents: 19697 diff changeset	207
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	208 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	209 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	210 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	211 return;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	212 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	213
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	214 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	215
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	216 if (! m_library)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	217 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	218 const char *msg = dlerror ();
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	219
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	220 if (msg)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	221 (*current_liboctave_error_handler) ("%s: failed to load: %s",
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	222 m_file.c_str (), msg);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	223 else
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	224 (*current_liboctave_error_handler) ("%s: failed to load",
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	225 m_file.c_str ());
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	226 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	227 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	228
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	229 octave_dlopen_shlib::~octave_dlopen_shlib (void)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	230 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	231 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	232 dlclose (m_library);
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	233 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	234
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	235 void *
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	236 octave_dlopen_shlib::search (const std::string& name,
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	237 dynamic_library::name_mangler mangler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	238 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	239 void *function = nullptr;
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	240
24656 cd79f32fba85 Fix errors in changeset f0de21a6a426 (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24653 diff changeset	241 if (! is_open ())
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	242 (*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	243 ("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	244
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	245 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	246
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	247 if (mangler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	248 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	249
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	250 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	251 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	252 else
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	253 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	254
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	255 return function;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	256 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	257
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	258 #elif defined (HAVE_LOADLIBRARY_API)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	259
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	260 class
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	261 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	262 {
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	263 public:
4110 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 octave_w32_shlib (const std::string& f);
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	266
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	267 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	268
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	269 octave_w32_shlib (const octave_w32_shlib&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	270
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	271 octave_w32_shlib& operator = (const octave_w32_shlib&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	272
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	273 ~octave_w32_shlib (void);
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	274
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	275 void * search (const std::string& name,
24677 69b89e81d3d3 Fix unloading dynamic libraries (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24663 diff changeset	276 dynamic_library::name_mangler mangler = nullptr);
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	277
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	278 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	279
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	280 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	281 {
3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	282 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	283 }
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	284
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	285 private:
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	286
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	287 HINSTANCE m_handle;
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	288 };
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	289
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	290 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	291 : 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	292 {
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	293 if (f.empty())
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	294 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	295 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	296 return;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	297 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	298
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23554 diff changeset	299 std::string dir = sys::file_ops::dirname (f);
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	300 SetDllDirectoryW (dir.empty ()
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	301 ? nullptr : sys::u8_to_wstring (dir).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	302
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	303 m_handle = LoadLibraryW (sys::u8_to_wstring (m_file).c_str ());
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	304
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	305 SetDllDirectoryW (nullptr);
22157 c5842206aaea maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 22146 diff changeset	306
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	307 if (! m_handle)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	308 {
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	309 DWORD last_error = GetLastError ();
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	310
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	311 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	312 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	313 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	314 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	315 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	316 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	317 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	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 std::string msg = "opening the library '" + m_file + "' failed: ";
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 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	321 {
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 msg.append (sys::u8_from_wstring (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	323 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	324 }
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 else
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	326 {
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	327 std::ostringstream err_str;
6455c82d5180 When loading a library display error message from OS on Windows (bug #57202). Markus Mützel <markus.muetzel@gmx.de> parents: 27379 diff changeset	328 err_str << "Unknown error (" << 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	329 msg.append (err_str.str ());
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	330 }
9958 80432f0ee895 improve octave_shlib for safer shared libs treatment Jaroslav Hajek <highegg@gmail.com> parents: 9493 diff changeset	331
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	332 (*current_liboctave_error_handler) ("%s", msg.c_str ());
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	333 }
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	334 }
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	335
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	336 octave_w32_shlib::~octave_w32_shlib (void)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	337 {
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	338 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	339 FreeLibrary (m_handle);
21750 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 void *
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	343 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	344 {
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	345 void *function = nullptr;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	346
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	347 HANDLE proc = GetCurrentProcess ();
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	348
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	349 if (! proc)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	350 (*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	351 ("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	352
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	353 size_t lib_num = 64;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	354 size_t size_lib = sizeof (HMODULE);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	355 HMODULE *h_libs;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	356 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	357 bool got_libs;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	358
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	359 // 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	360 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	361 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	362 &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 int ii = 0;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	364 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	365 {
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	366 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	367 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	368 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	369 &bytes_all_libs);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	370 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	371
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	372 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	373 {
24663 ca416267c65f oct-shlib: move common property to base class. Markus Mützel <markus.muetzel@gmx.de> parents: 24656 diff changeset	374 for (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	375 {
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	376 // Check for function in library.
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	377 function = reinterpret_cast<void *>
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	378 (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	379
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	380 if (function)
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	381 break;
24653 f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	382 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	383 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	384
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	385 // 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	386 CloseHandle (proc);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	387
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463). Markus Mützel <markus.muetzel@gmx.de> parents: 24534 diff changeset	388 return function;
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 void *
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	392 octave_w32_shlib::search (const std::string& name,
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	393 dynamic_library::name_mangler mangler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	394 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	395 void *function = nullptr;
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	396
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	397 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	398 (*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	399 ("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	400
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	401 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	402
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	403 if (mangler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	404 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	405
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	406 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	407 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	408 else
27379 3db033e86376 use m_ prefix for data members in most liboctave/util classes John W. Eaton <jwe@octave.org> parents: 26604 diff changeset	409 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	410 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	411
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	412 return function;
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	413 }
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	414
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	415 #endif
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	416
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	417 dynamic_library::dynlib_rep *
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	418 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	419 {
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	420 #if defined (HAVE_DLOPEN_API)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	421 return new octave_dlopen_shlib (f);
4110 b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe] jwe parents: 4051 diff changeset	422 #elif defined (HAVE_LOADLIBRARY_API)
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	423 return new octave_w32_shlib (f);
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	424 #else
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	425 (*current_liboctave_error_handler)
6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	426 ("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	427 #endif
21750 6720e5a220ba use namespace for octave_shlib class John W. Eaton <jwe@octave.org> parents: 21736 diff changeset	428 }
3326 c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe] jwe parents: diff changeset	429 }

Mercurial > octave

annotate liboctave/util/oct-shlib.cc @ 27700:6455c82d5180