Mercurial > octave-nkf
view liboctave/util/oct-shlib.cc @ 17769:49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
* liboctave/array/Array-C.cc, liboctave/array/Array-b.cc,
liboctave/array/Array-ch.cc, liboctave/array/Array-d.cc,
liboctave/array/Array-f.cc, liboctave/array/Array-fC.cc,
liboctave/array/Array-util.cc, liboctave/array/Array-util.h,
liboctave/array/Array.cc, liboctave/array/Array.h, liboctave/array/Array3.h,
liboctave/array/CColVector.cc, liboctave/array/CColVector.h,
liboctave/array/CDiagMatrix.cc, liboctave/array/CDiagMatrix.h,
liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h,
liboctave/array/CNDArray.cc, liboctave/array/CNDArray.h,
liboctave/array/CRowVector.cc, liboctave/array/CRowVector.h,
liboctave/array/CSparse.cc, liboctave/array/CSparse.h,
liboctave/array/DiagArray2.h, liboctave/array/MArray.cc,
liboctave/array/MArray.h, liboctave/array/MDiagArray2.cc,
liboctave/array/MDiagArray2.h, liboctave/array/MSparse.cc,
liboctave/array/MSparse.h, liboctave/array/MatrixType.cc,
liboctave/array/MatrixType.h, liboctave/array/PermMatrix.h,
liboctave/array/Range.cc, liboctave/array/Range.h, liboctave/array/Sparse.cc,
liboctave/array/Sparse.h, liboctave/array/boolMatrix.cc,
liboctave/array/boolMatrix.h, liboctave/array/boolNDArray.cc,
liboctave/array/boolNDArray.h, liboctave/array/boolSparse.cc,
liboctave/array/boolSparse.h, liboctave/array/chMatrix.cc,
liboctave/array/chMatrix.h, liboctave/array/chNDArray.cc,
liboctave/array/chNDArray.h, liboctave/array/dColVector.h,
liboctave/array/dDiagMatrix.cc, liboctave/array/dDiagMatrix.h,
liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h,
liboctave/array/dNDArray.cc, liboctave/array/dNDArray.h,
liboctave/array/dRowVector.h, liboctave/array/dSparse.cc,
liboctave/array/dSparse.h, liboctave/array/dim-vector.cc,
liboctave/array/dim-vector.h, liboctave/array/fCColVector.cc,
liboctave/array/fCColVector.h, liboctave/array/fCDiagMatrix.cc,
liboctave/array/fCDiagMatrix.h, liboctave/array/fCMatrix.cc,
liboctave/array/fCMatrix.h, liboctave/array/fCNDArray.cc,
liboctave/array/fCNDArray.h, liboctave/array/fCRowVector.cc,
liboctave/array/fCRowVector.h, liboctave/array/fColVector.h,
liboctave/array/fDiagMatrix.cc, liboctave/array/fDiagMatrix.h,
liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h,
liboctave/array/fNDArray.cc, liboctave/array/fNDArray.h,
liboctave/array/fRowVector.h, liboctave/array/idx-vector.cc,
liboctave/array/idx-vector.h, liboctave/array/intNDArray.cc,
liboctave/array/intNDArray.h, liboctave/cruft/misc/blaswrap.c,
liboctave/cruft/misc/quit.cc, liboctave/numeric/CmplxCHOL.cc,
liboctave/numeric/CmplxCHOL.h, liboctave/numeric/CmplxGEPBAL.cc,
liboctave/numeric/CmplxGEPBAL.h, liboctave/numeric/CmplxHESS.h,
liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxLU.h,
liboctave/numeric/CmplxQR.cc, liboctave/numeric/CmplxQRP.cc,
liboctave/numeric/CmplxQRP.h, liboctave/numeric/CmplxSCHUR.h,
liboctave/numeric/CmplxSVD.cc, liboctave/numeric/CmplxSVD.h,
liboctave/numeric/CollocWt.h, liboctave/numeric/DAE.h,
liboctave/numeric/DAEFunc.h, liboctave/numeric/DAERT.h,
liboctave/numeric/DAERTFunc.h, liboctave/numeric/DASPK.cc,
liboctave/numeric/DASRT.cc, liboctave/numeric/DASRT.h,
liboctave/numeric/DASSL.cc, liboctave/numeric/DET.h, liboctave/numeric/EIG.cc,
liboctave/numeric/EIG.h, liboctave/numeric/LSODE.cc, liboctave/numeric/ODE.h,
liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.h,
liboctave/numeric/ODESFunc.h, liboctave/numeric/Quad.cc,
liboctave/numeric/Quad.h, liboctave/numeric/SparseCmplxCHOL.h,
liboctave/numeric/SparseCmplxLU.cc, liboctave/numeric/SparseCmplxLU.h,
liboctave/numeric/SparseCmplxQR.cc, liboctave/numeric/SparseCmplxQR.h,
liboctave/numeric/SparseQR.cc, liboctave/numeric/SparseQR.h,
liboctave/numeric/SparsedbleCHOL.h, liboctave/numeric/SparsedbleLU.cc,
liboctave/numeric/SparsedbleLU.h, liboctave/numeric/base-aepbal.h,
liboctave/numeric/base-dae.h, liboctave/numeric/base-de.h,
liboctave/numeric/base-lu.cc, liboctave/numeric/base-lu.h,
liboctave/numeric/base-min.h, liboctave/numeric/base-qr.h,
liboctave/numeric/bsxfun.h, liboctave/numeric/dbleCHOL.cc,
liboctave/numeric/dbleCHOL.h, liboctave/numeric/dbleGEPBAL.h,
liboctave/numeric/dbleHESS.h, liboctave/numeric/dbleLU.cc,
liboctave/numeric/dbleLU.h, liboctave/numeric/dbleQR.cc,
liboctave/numeric/dbleQRP.cc, liboctave/numeric/dbleQRP.h,
liboctave/numeric/dbleSCHUR.cc, liboctave/numeric/dbleSCHUR.h,
liboctave/numeric/dbleSVD.cc, liboctave/numeric/dbleSVD.h,
liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxAEPBAL.cc,
liboctave/numeric/fCmplxAEPBAL.h, liboctave/numeric/fCmplxCHOL.cc,
liboctave/numeric/fCmplxCHOL.h, liboctave/numeric/fCmplxGEPBAL.cc,
liboctave/numeric/fCmplxGEPBAL.h, liboctave/numeric/fCmplxHESS.h,
liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxLU.h,
liboctave/numeric/fCmplxQR.cc, liboctave/numeric/fCmplxQR.h,
liboctave/numeric/fCmplxQRP.cc, liboctave/numeric/fCmplxQRP.h,
liboctave/numeric/fCmplxSCHUR.cc, liboctave/numeric/fCmplxSCHUR.h,
liboctave/numeric/fCmplxSVD.h, liboctave/numeric/fEIG.cc,
liboctave/numeric/fEIG.h, liboctave/numeric/floatCHOL.cc,
liboctave/numeric/floatCHOL.h, liboctave/numeric/floatGEPBAL.cc,
liboctave/numeric/floatGEPBAL.h, liboctave/numeric/floatHESS.h,
liboctave/numeric/floatLU.cc, liboctave/numeric/floatLU.h,
liboctave/numeric/floatQR.cc, liboctave/numeric/floatQRP.cc,
liboctave/numeric/floatQRP.h, liboctave/numeric/floatSCHUR.cc,
liboctave/numeric/floatSCHUR.h, liboctave/numeric/floatSVD.cc,
liboctave/numeric/floatSVD.h, liboctave/numeric/lo-mappers.cc,
liboctave/numeric/lo-mappers.h, liboctave/numeric/lo-specfun.cc,
liboctave/numeric/lo-specfun.h, liboctave/numeric/oct-convn.cc,
liboctave/numeric/oct-fftw.cc, liboctave/numeric/oct-fftw.h,
liboctave/numeric/oct-norm.cc, liboctave/numeric/oct-rand.cc,
liboctave/numeric/oct-rand.h, liboctave/numeric/randgamma.c,
liboctave/numeric/randgamma.h, liboctave/numeric/randmtzig.c,
liboctave/numeric/randpoisson.c, liboctave/numeric/randpoisson.h,
liboctave/numeric/sparse-base-chol.h, liboctave/numeric/sparse-base-lu.h,
liboctave/numeric/sparse-dmsolve.cc, liboctave/operators/Sparse-diag-op-defs.h,
liboctave/operators/Sparse-op-defs.h, liboctave/operators/mx-inlines.cc,
liboctave/system/dir-ops.h, liboctave/system/file-ops.cc,
liboctave/system/file-stat.cc, liboctave/system/file-stat.h,
liboctave/system/lo-sysdep.cc, liboctave/system/lo-sysdep.h,
liboctave/system/mach-info.cc, liboctave/system/mach-info.h,
liboctave/system/oct-env.cc, liboctave/system/oct-group.cc,
liboctave/system/oct-syscalls.cc, liboctave/system/oct-syscalls.h,
liboctave/system/oct-time.h, liboctave/system/tempname.c,
liboctave/util/action-container.h, liboctave/util/base-list.h,
liboctave/util/cmd-edit.cc, liboctave/util/cmd-edit.h,
liboctave/util/cmd-hist.cc, liboctave/util/cmd-hist.h,
liboctave/util/data-conv.cc, liboctave/util/data-conv.h,
liboctave/util/kpse.cc, liboctave/util/lo-array-gripes.cc,
liboctave/util/lo-cieee.c, liboctave/util/lo-regexp.cc,
liboctave/util/lo-utils.cc, liboctave/util/oct-alloc.cc,
liboctave/util/oct-base64.cc, liboctave/util/oct-binmap.h,
liboctave/util/oct-cmplx.h, liboctave/util/oct-glob.cc,
liboctave/util/oct-inttypes.cc, liboctave/util/oct-inttypes.h,
liboctave/util/oct-locbuf.cc, liboctave/util/oct-locbuf.h,
liboctave/util/oct-mem.h, liboctave/util/oct-mutex.cc,
liboctave/util/oct-refcount.h, liboctave/util/oct-shlib.cc,
liboctave/util/oct-shlib.h, liboctave/util/oct-sort.cc,
liboctave/util/oct-sort.h, liboctave/util/pathsearch.cc,
liboctave/util/pathsearch.h, liboctave/util/sparse-util.cc,
liboctave/util/str-vec.cc, liboctave/util/str-vec.h,
liboctave/util/unwind-prot.h, liboctave/util/url-transfer.cc,
liboctave/util/url-transfer.h: Use GNU style coding conventions.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 26 Oct 2013 18:57:05 -0700 |
parents | d63878346099 |
children | 95c533ed464b |
line wrap: on
line source
/* Copyright (C) 1999-2013 John W. Eaton Copyright (C) 2009 VZLU Prague This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <map> #if defined (HAVE_SHL_LOAD_API) #include <cerrno> #include <cstring> #endif #if defined (HAVE_DYLD_API) #include <mach-o/dyld.h> #endif extern "C" { #if defined (HAVE_DLOPEN_API) #if defined (HAVE_DLFCN_H) #include <dlfcn.h> #else extern void *dlopen (const char *, int); extern const char *dlerror (void); extern void *dlsym (void *, const char *); extern int dlclose (void *); #endif #elif defined (HAVE_SHL_LOAD_API) #include <dl.h> #elif defined (HAVE_LOADLIBRARY_API) #define WIN32_LEAN_AND_MEAN #include <windows.h> #endif } #include "file-stat.h" #include "lo-error.h" #include "oct-shlib.h" #include "str-vec.h" octave_shlib::shlib_rep::shlib_rep (const std::string& f) : count (1), file (f), tm_loaded (), fcn_names () { instances[f] = this; if (is_out_of_date ()) (*current_liboctave_warning_with_id_handler) ("Octave:warn-future-time-stamp", "timestamp on file %s is in the future", file.c_str ()); } bool octave_shlib::shlib_rep::is_out_of_date (void) const { file_stat fs (file); return (fs && fs.is_newer (tm_loaded)); } void octave_shlib::shlib_rep::fake_reload (void) { // We can't actually reload the library, but we'll pretend we did. file_stat fs (file); if (fs && fs.is_newer (tm_loaded)) { tm_loaded = fs.mtime (); (*current_liboctave_warning_handler) ("library %s not reloaded due to existing references", file.c_str ()); } } octave_shlib::shlib_rep * octave_shlib::shlib_rep::get_instance (const std::string& f, bool fake) { shlib_rep *retval = 0; std::map<std::string, shlib_rep *>::iterator p = instances.find (f); if (p != instances.end ()) { retval = p->second; retval->count++; if (fake) retval->fake_reload (); } else retval = new_instance (f); return retval; } void octave_shlib::shlib_rep::add_fcn_name (const std::string& name) { fcn_names_iterator p = fcn_names.find (name); if (p == fcn_names.end ()) fcn_names[name] = 1; else ++(p->second); } bool octave_shlib::shlib_rep::remove_fcn_name (const std::string& fcn_name) { bool retval = false; fcn_names_iterator p = fcn_names.find (fcn_name); if (p != fcn_names.end () && --(p->second) == 0) { fcn_names.erase (fcn_name); retval = true; } return retval; } void octave_shlib::shlib_rep::do_close_hook (octave_shlib::close_hook cl_hook) { for (fcn_names_iterator p = fcn_names.begin (); p != fcn_names.end (); p++) cl_hook (p->first); fcn_names.clear (); } std::map<std::string, octave_shlib::shlib_rep *> octave_shlib::shlib_rep::instances; octave_shlib::shlib_rep octave_shlib::nil_rep; #if defined (HAVE_DLOPEN_API) class octave_dlopen_shlib : public octave_shlib::shlib_rep { public: octave_dlopen_shlib (const std::string& f); ~octave_dlopen_shlib (void); void *search (const std::string& name, octave_shlib::name_mangler mangler = 0); // FIXME: this is possibly redundant because failure to open a library will // normally throw an exception, avoiding the construction of an invalid // library. Leave it here for possible future use. bool is_open (void) const { return (library != 0); } private: // No copying! octave_dlopen_shlib (const octave_dlopen_shlib&); octave_dlopen_shlib& operator = (const octave_dlopen_shlib&); void *library; }; octave_dlopen_shlib::octave_dlopen_shlib (const std::string& f) : octave_shlib::shlib_rep (f), library (0) { int flags = 0; // Use RTLD_NOW to resolve all symbols before dlopen returns. // By using this option, dlopen will detect errors and Octave // won't exit if there are unresolved symbols in the file we are // loading, and we may even get a useful diagnostic. #if defined (RTLD_NOW) flags |= RTLD_NOW; #endif library = dlopen (file.c_str (), flags); if (! library) { const char *msg = dlerror (); if (msg) (*current_liboctave_error_handler) ("%s: failed to load: %s", file.c_str (), msg); else (*current_liboctave_error_handler) ("%s: failed to load", file.c_str ()); } } octave_dlopen_shlib::~octave_dlopen_shlib (void) { if (library) dlclose (library); } void * octave_dlopen_shlib::search (const std::string& name, octave_shlib::name_mangler mangler) { void *function = 0; if (is_open ()) { std::string sym_name = name; if (mangler) sym_name = mangler (name); function = dlsym (library, sym_name.c_str ()); } else (*current_liboctave_error_handler) ("shared library %s is not open", file.c_str ()); return function; } #elif defined (HAVE_SHL_LOAD_API) class octave_shl_load_shlib : public octave_shlib::shlib_rep { public: octave_shl_load_shlib (const std::string& f); ~octave_shl_load_shlib (void); void *search (const std::string& name, octave_shlib::name_mangler mangler = 0); bool is_open (void) const { return (library != 0); } private: // No copying! octave_shl_load_shlib (const octave_shl_load_shlib&); octave_shl_load_shlib& operator = (const octave_shl_load_shlib&); shl_t library; }; octave_shl_load_shlib::octave_shl_load_shlib (const std::string& f) : octave_shlib::shlib_rep (f), library (0) { file = f; library = shl_load (file.c_str (), BIND_IMMEDIATE, 0L); if (! library) { using namespace std; (*current_liboctave_error_handler) ("%s", gnulib::strerror (errno)); } } octave_shl_load_shlib::~octave_shl_load_shlib (void) { if (library) shl_unload (library); } void * octave_shl_load_shlib::search (const std::string& name, octave_shlib::name_mangler mangler) { void *function = 0; if (is_open ()) { std::string sym_name = name; if (mangler) sym_name = mangler (name); int status = shl_findsym (&library, sym_name.c_str (), TYPE_UNDEFINED, &function); } else (*current_liboctave_error_handler) ("shared library %s is not open", file.c_str ()); return function; } #elif defined (HAVE_LOADLIBRARY_API) class octave_w32_shlib: public octave_shlib::shlib_rep { public: octave_w32_shlib (const std::string& f); ~octave_w32_shlib (void); void *search (const std::string& name, octave_shlib::name_mangler mangler = 0); bool is_open (void) const { return (handle != 0); } private: // No copying! octave_w32_shlib (const octave_w32_shlib&); octave_w32_shlib& operator = (const octave_w32_shlib&); HINSTANCE handle; }; octave_w32_shlib::octave_w32_shlib (const std::string& f) : octave_shlib::shlib_rep (f), handle (0) { handle = LoadLibrary (file.c_str ()); if (! handle) { DWORD lastError = GetLastError (); char *msg; switch (lastError) { case ERROR_MOD_NOT_FOUND: case ERROR_DLL_NOT_FOUND: msg = "could not find library or dependents"; break; case ERROR_INVALID_DLL: msg = "library or its dependents are damaged"; break; case ERROR_DLL_INIT_FAILED: msg = "library initialization routine failed"; break; default: msg = "library open failed"; } (*current_liboctave_error_handler) ("%s: %s", msg, file.c_str ()); } } octave_w32_shlib::~octave_w32_shlib (void) { if (handle) FreeLibrary (handle); } extern "C" { void * octave_w32_search (HINSTANCE handle, const char * name); } void * octave_w32_shlib::search (const std::string& name, octave_shlib::name_mangler mangler) { void *function = 0; if (is_open ()) { std::string sym_name = name; if (mangler) sym_name = mangler (name); function = octave_w32_library_search (handle, sym_name.c_str ()); } else (*current_liboctave_error_handler) ("shared library %s is not open", file.c_str ()); return function; } #elif defined (HAVE_DYLD_API) class octave_dyld_shlib : public octave_shlib::shlib_rep { public: octave_dyld_shlib (void); ~octave_dyld_shlib (void); void open (const std::string& f); void *search (const std::string& name, octave_shlib::name_mangler mangler = 0); void close (octave_shlib::close_hook cl_hook = 0); bool is_open (void) const {return (handle != 0); } private: // No copying! octave_dyld_shlib (const octave_dyld_shlib&); octave_dyld_shlib& operator = (const octave_dyld_shlib&); NSObjectFileImage img; NSModule handle; }; octave_dyld_shlib::octave_dyld_shlib (const std::string& f) : octave_shlib::shlib_rep (f), handle (0) { int returnCode = NSCreateObjectFileImageFromFile (file.c_str (), &img); if (NSObjectFileImageSuccess == returnCode) { handle = NSLinkModule (img, file.c_str (), (NSLINKMODULE_OPTION_RETURN_ON_ERROR | NSLINKMODULE_OPTION_PRIVATE)); if (! handle) { NSLinkEditErrors ler; int lerno; const char *file2; const char *errstr = 0; NSLinkEditError (&ler, &lerno, &file2, &errstr); if (! errstr) errstr = "unspecified error"; (*current_liboctave_error_handler) ("%s: %s", file.c_str (), errstr); } } else { (*current_liboctave_error_handler) ("got NSObjectFileImageReturnCode %d", returnCode); // FIXME: should use NSLinkEditError () to get // more info on what went wrong. } } octave_dyld_shlib::~octave_dyld_shlib (void) { if (handle) NSUnLinkModule (handle, NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES); NSDestroyObjectFileImage (img); } void * octave_dyld_shlib::search (const std::string& name, octave_shlib::name_mangler mangler) { void *function = 0; if (is_open ()) { std::string sym_name = name; if (mangler) sym_name = mangler (name); NSSymbol symbol = NSLookupSymbolInModule (handle, sym_name.c_str ()); if (symbol) { function = NSAddressOfSymbol (symbol); } } else (*current_liboctave_error_handler) ("bundle %s is not open", file.c_str ()); return function; } #endif octave_shlib::shlib_rep * octave_shlib::shlib_rep::new_instance (const std::string& f) { #if defined (HAVE_DLOPEN_API) return new octave_dlopen_shlib (f); #elif defined (HAVE_SHL_LOAD_API) return new octave_shl_load_shlib (f); #elif defined (HAVE_LOADLIBRARY_API) return new octave_w32_shlib (f); #elif defined (HAVE_DYLD_API) return new octave_dyld_shlib (f); #else (*current_liboctave_error_handler) ("no API for dynamic loading is available"); return new shlib_rep (); #endif }