diff options
Diffstat (limited to 'ext/DynaLoader/dl_dlopen.xs')
| -rw-r--r-- | ext/DynaLoader/dl_dlopen.xs | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/ext/DynaLoader/dl_dlopen.xs b/ext/DynaLoader/dl_dlopen.xs index 135f5112f2..8e4936d128 100644 --- a/ext/DynaLoader/dl_dlopen.xs +++ b/ext/DynaLoader/dl_dlopen.xs @@ -5,11 +5,13 @@ * 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 @@ -180,6 +193,20 @@ dl_load_file(filename, flags=0) 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 * dl_find_symbol(libhandle, symbolname) void * libhandle |