> * Corinna Vinschen <[EMAIL PROTECTED]> [2004-08-31 10:32:58 +0200]:
>
> On Aug 30 19:51, Sam Steingold wrote:
>> > * Corinna Vinschen <[EMAIL PROTECTED]> [2004-08-30 16:38:32 +0200]:
>> >
>> > On Aug 30 10:13, Sam Steingold wrote:
>> >> <http://www.opengroup.org/onlinepubs/009695399/functions/dlsym.html>
>> >> Any plans to implement RTLD_DEFAULT & RTLD_NEXT?
>> >
>> > Nope, but you know http://cygwin.com/acronyms/#PTC , don't you? :-)
>>
>> looks like there is no way in win32 to get the list of all open
>> libraries, is there? (and no analogue for RTLD_DEFAULT either).
>
> EnumProcessModules. This should also allow to implement RTLD_DEFAULT.
2004-08-31 Sam Steingold <[EMAIL PROTECTED]>
* dlfcn.cc (dlsym): Handle RTLD_DEFAULT using EnumProcessModules().
* include/dlfcn.h (RTLD_DEFAULT): Define to NULL.
--
Sam Steingold (http://www.podval.org/~sds) running w2k
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Index: src/winsup/cygwin/include/dlfcn.h
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/include/dlfcn.h,v
retrieving revision 1.2
diff -u -w -b -r1.2 dlfcn.h
--- src/winsup/cygwin/include/dlfcn.h 11 Sep 2001 20:01:01 -0000 1.2
+++ src/winsup/cygwin/include/dlfcn.h 31 Aug 2004 14:53:48 -0000
@@ -28,6 +28,7 @@
extern void dlfork (int);
/* following doesn't exist in Win32 API .... */
+#define RTLD_DEFAULT NULL
/* valid values for mode argument to dlopen */
#define RTLD_LAZY 1 /* lazy function call binding */
Index: src/winsup/cygwin/dlfcn.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/dlfcn.cc,v
retrieving revision 1.23
diff -u -w -b -r1.23 dlfcn.cc
--- src/winsup/cygwin/dlfcn.cc 9 Feb 2004 04:04:22 -0000 1.23
+++ src/winsup/cygwin/dlfcn.cc 31 Aug 2004 14:53:48 -0000
@@ -112,7 +112,19 @@
void *
dlsym (void *handle, const char *name)
{
- void *ret = (void *) GetProcAddress ((HMODULE) handle, name);
+ void *ret = NULL;
+ if (handle == RTLD_DEFAULT) { /* search all modules */
+ HANDLE cur_proc = GetCurrentProcess();
+ HMODULE *modules;
+ DWORD needed, i;
+ EnumProcessModules(cur_proc,NULL,0,&needed);
+ modules = alloca(sizeof(HMODULE)*needed);
+ if (!EnumProcessModules(cur_proc,modules,needed,&needed))
+ set_dl_error ("dlsym");
+ for (i=0; i < needed/sizeof(HMODULE); i++)
+ if ((ret = (void*)GetProcAddress(modules[i],name)))
+ break;
+ } else ret = (void*)GetProcAddress((HMODULE)handle,name);
if (!ret)
set_dl_error ("dlsym");
debug_printf ("ret %p", ret);
--
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