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* dlfcn.cc (dlopen): Drop patch accommodating SetDllDiretory from

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2014-10-14.
This commit is contained in:
Corinna Vinschen
2014-10-27 13:13:54 +00:00
parent 3d411b0591
commit 4be37ddfc8
2 changed files with 6 additions and 28 deletions
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5
winsup/cygwin/ChangeLog
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@@ -1,3 +1,8 @@
2014-10-27 Corinna Vinschen <corinna@vinschen.de>
* dlfcn.cc (dlopen): Drop patch accommodating SetDllDiretory from
2014-10-14.
2014-10-27 Corinna Vinschen <corinna@vinschen.de>
* cygheap.cc (cygheap_fixup_in_child): Drop call to set_dll_dir.

29
winsup/cygwin/dlfcn.cc
View File

@@ -160,34 +160,7 @@ dlopen (const char *name, int flags)
if (flags & RTLD_NOLOAD)
GetModuleHandleExW (0, path, (HMODULE *) &ret);
else
{
ret = (void *) LoadLibraryW (path);
if (!ret && GetLastError () == ERROR_MOD_NOT_FOUND)
{
/* This may indicate that a dependent DLL could not be loaded.
Typically this occurs because we removed the CWD from the
DLL search path via SetDllDirectory (see inline function
init_cygheap::set_dll_dir), and the load mechanism expects
that dlopening a DLL from the CWD allows to load dependent
DLLs from the same dir.
To continue supporting this scenario, call LoadLibraryEx
with the LOAD_WITH_ALTERED_SEARCH_PATH flag. This flag
replaces the application path with the DLL path in the DLL
search order. This functionality needs the full path to
the loaded DLL. */
if (!strchr (name, '/'))
{
wchar_t *path_full = tp.w_get ();
cygheap->cwd.get (path_full);
wcscat (path_full, L"\\");
wcscat (path_full, path);
path = path_full;
}
ret = (void *) LoadLibraryExW (path, NULL,
LOAD_WITH_ALTERED_SEARCH_PATH);
}
}
ret = (void *) LoadLibraryW (path);
if (ret && (flags & RTLD_NODELETE))
GetModuleHandleExW (GET_MODULE_HANDLE_EX_FLAG_PIN, path,
(HMODULE *) &ret);