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Don't use LoadLibraryEx(..., LOAD_LIBRARY_SEARCH_SYSTEM32). It hangs

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Observed running hexchat under X.  For some reason the call to
	LoadLibraryEx(..., LOAD_LIBRARY_SEARCH_SYSTEM32) in dll_load
	hangs when trying to autoload MsgWaitForMultipleObjectsEx in
	select.cc after hexchat forks to run DNS calls.  Dropping the
	call and just using full paths as in 2.3.1 fixes the issue.

	* autoload.cc (dll_load): Drop call to LoadLibraryEx with
	LOAD_LIBRARY_SEARCH_SYSTEM32 flag.
	* wincap.h (wincaps::has_load_lib_search_flags): Remove.
	* wincap.cc (wincaps::has_load_lib_search_flags): Drop handling
	this flag.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2016-01-27 15:43:15 +01:00
parent 78549742de
commit fcda8810a2
3 changed files with 12 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
winsup/cygwin/wincap.cc
View File

@@ -52,7 +52,6 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:false,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:false,
};
wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -87,7 +86,6 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:false,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:false,
};
wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -122,7 +120,6 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:false,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -157,7 +154,6 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -192,7 +188,6 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -227,7 +222,6 @@ wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_processor_groups:true,
has_broken_prefetchvm:true,
has_new_pebteb_region:false,
has_load_lib_search_flags:true,
};
wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -262,7 +256,6 @@ wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) =
has_processor_groups:true,
has_broken_prefetchvm:false,
has_new_pebteb_region:true,
has_load_lib_search_flags:true,
};
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));