diff options
Diffstat (limited to 'contrib/perl5/ext/DynaLoader/dl_dlopen.xs')
| -rw-r--r-- | contrib/perl5/ext/DynaLoader/dl_dlopen.xs | 88 |
1 files changed, 64 insertions, 24 deletions
diff --git a/contrib/perl5/ext/DynaLoader/dl_dlopen.xs b/contrib/perl5/ext/DynaLoader/dl_dlopen.xs index 2459205..8e4936d 100644 --- a/contrib/perl5/ext/DynaLoader/dl_dlopen.xs +++ b/contrib/perl5/ext/DynaLoader/dl_dlopen.xs @@ -1,15 +1,17 @@ /* dl_dlopen.xs * * Platform: SunOS/Solaris, possibly others which use dlopen. - * Author: Paul Marquess (pmarquess@bfsec.bt.co.uk) + * Author: Paul Marquess (Paul.Marquess@btinternet.com) * Created: 10th July 1994 * * Modified: - * 15th July 1994 - Added code to explicitly save any error messages. - * 3rd August 1994 - Upgraded to v3 spec. - * 9th August 1994 - Changed to use IV - * 10th August 1994 - Tim Bunce: Added RTLD_LAZY, switchable debugging, - * basic FreeBSD support, removed ClearError + * 15th July 1994 - Added code to explicitly save any error messages. + * 3rd August 1994 - Upgraded to v3 spec. + * 9th August 1994 - Changed to use IV + * 10th August 1994 - Tim Bunce: Added RTLD_LAZY, switchable debugging, + * basic FreeBSD support, removed ClearError + * 29th Feburary 2000 - Alan Burlison: Added functionality to close dlopen'd + * files when the interpreter exits * */ @@ -37,6 +39,17 @@ RTLD_LAZY (==2) on Solaris 2. + dlclose + ------- + int + dlclose(handle) + void * handle; + + This function takes the handle returned by a previous invocation of + dlopen and closes the associated dynamic object file. It returns zero + on success, and non-zero on failure. + + dlsym ------ void * @@ -57,7 +70,7 @@ Returns a null-terminated string which describes the last error that occurred with either dlopen or dlsym. After each call to dlerror the error message will be reset to a null pointer. The - SaveError function is used to save the error as soo as it happens. + SaveError function is used to save the error as soon as it happens. Return Types @@ -131,24 +144,35 @@ static void -dl_private_init() +dl_private_init(pTHX) { - (void)dl_generic_private_init(); + (void)dl_generic_private_init(aTHX); } MODULE = DynaLoader PACKAGE = DynaLoader BOOT: - (void)dl_private_init(); + (void)dl_private_init(aTHX); void * dl_load_file(filename, flags=0) char * filename int flags - PREINIT: + PREINIT: int mode = RTLD_LAZY; - CODE: + CODE: +{ +#if defined(DLOPEN_WONT_DO_RELATIVE_PATHS) + char pathbuf[PATH_MAX + 2]; + if (*filename != '/' && strchr(filename, '/')) { + if (getcwd(pathbuf, PATH_MAX - strlen(filename))) { + strcat(pathbuf, "/"); + strcat(pathbuf, filename); + filename = pathbuf; + } + } +#endif #ifdef RTLD_NOW if (dl_nonlazy) mode = RTLD_NOW; @@ -157,16 +181,30 @@ dl_load_file(filename, flags=0) #ifdef RTLD_GLOBAL mode |= RTLD_GLOBAL; #else - warn("Can't make loaded symbols global on this platform while loading %s",filename); + Perl_warn(aTHX_ "Can't make loaded symbols global on this platform while loading %s",filename); #endif - DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s,%x):\n", filename,flags)); + DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_load_file(%s,%x):\n", filename,flags)); RETVAL = dlopen(filename, mode) ; - DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), " libref=%lx\n", (unsigned long) RETVAL)); + DLDEBUG(2,PerlIO_printf(Perl_debug_log, " libref=%lx\n", (unsigned long) RETVAL)); ST(0) = sv_newmortal() ; if (RETVAL == NULL) - SaveError("%s",dlerror()) ; + SaveError(aTHX_ "%s",dlerror()) ; else - sv_setiv( ST(0), (IV)RETVAL); + sv_setiv( ST(0), PTR2IV(RETVAL)); +} + + +int +dl_unload_file(libref) + void * libref + CODE: + DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_unload_file(%lx):\n", libref)); + RETVAL = (dlclose(libref) == 0 ? 1 : 0); + if (!RETVAL) + SaveError(aTHX_ "%s", dlerror()) ; + DLDEBUG(2,PerlIO_printf(Perl_debug_log, " retval = %d\n", RETVAL)); + OUTPUT: + RETVAL void * @@ -175,19 +213,19 @@ dl_find_symbol(libhandle, symbolname) char * symbolname CODE: #ifdef DLSYM_NEEDS_UNDERSCORE - symbolname = form("_%s", symbolname); + symbolname = Perl_form_nocontext("_%s", symbolname); #endif - DLDEBUG(2, PerlIO_printf(PerlIO_stderr(), + DLDEBUG(2, PerlIO_printf(Perl_debug_log, "dl_find_symbol(handle=%lx, symbol=%s)\n", (unsigned long) libhandle, symbolname)); RETVAL = dlsym(libhandle, symbolname); - DLDEBUG(2, PerlIO_printf(PerlIO_stderr(), + DLDEBUG(2, PerlIO_printf(Perl_debug_log, " symbolref = %lx\n", (unsigned long) RETVAL)); ST(0) = sv_newmortal() ; if (RETVAL == NULL) - SaveError("%s",dlerror()) ; + SaveError(aTHX_ "%s",dlerror()) ; else - sv_setiv( ST(0), (IV)RETVAL); + sv_setiv( ST(0), PTR2IV(RETVAL)); void @@ -204,9 +242,11 @@ dl_install_xsub(perl_name, symref, filename="$Package") void * symref char * filename CODE: - DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), "dl_install_xsub(name=%s, symref=%lx)\n", + DLDEBUG(2,PerlIO_printf(Perl_debug_log, "dl_install_xsub(name=%s, symref=%lx)\n", perl_name, (unsigned long) symref)); - ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)_((CV *)))symref, filename))); + ST(0) = sv_2mortal(newRV((SV*)newXS(perl_name, + (void(*)(pTHX_ CV *))symref, + filename))); char * |
