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* autoload.cc (dll_load): Only perform DONT_RESOLVE_DLL_REFERENCES hack on

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systems which need it.
* wincap.cc (use_dont_resolve_hack): Set as appropriate.
* wincap.h (use_dont_resolve_hack): Define.
This commit is contained in:
Christopher Faylor 2011-03-01 00:19:23 +00:00
parent 8ceb4854b6
commit ba5f92981d
4 changed files with 20 additions and 1 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2011-02-28 Christopher Faylor <me+cygwin@cgf.cx>
* autoload.cc (dll_load): Only perform DONT_RESOLVE_DLL_REFERENCES hack
on systems which need it.
* wincap.cc (use_dont_resolve_hack): Set as appropriate.
* wincap.h (use_dont_resolve_hack): Define.
2011-02-28 Christopher Faylor <me+cygwin@cgf.cx>
* autoload.cc (dll_load): Make inline. Clarify logic.

3
winsup/cygwin/autoload.cc
View File

@ -216,7 +216,8 @@ static __inline bool
dll_load (HANDLE& handle, WCHAR *name)
{
HANDLE h = LoadLibraryW (name);
if (!h && in_forkee && handle && GetLastError () == ERROR_INVALID_ADDRESS)
if (!h && in_forkee && handle && GetLastError () == ERROR_INVALID_ADDRESS
&& wincap.use_dont_resolve_hack ())
h = LoadLibraryExW (name, NULL, DONT_RESOLVE_DLL_REFERENCES);
if (!h)
return false;

9
winsup/cygwin/wincap.cc
View File

@ -61,6 +61,7 @@ wincaps wincap_nt4sp4 __attribute__((section (".cygwin_dll_common"), shared)) =
has_buggy_thread_startup:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:false,
};
wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -101,6 +102,7 @@ wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_buggy_thread_startup:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:false,
};
wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -141,6 +143,7 @@ wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) =
has_buggy_thread_startup:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:false,
};
wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -181,6 +184,7 @@ wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
has_buggy_thread_startup:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:true,
};
wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -221,6 +225,7 @@ wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_buggy_thread_startup:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:true,
};
wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -261,6 +266,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_buggy_thread_startup:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:true,
};
wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -301,6 +307,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_buggy_thread_startup:false,
has_fast_cwd:false,
has_restricted_raw_disk_access:false,
use_dont_resolve_hack:false,
};
wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -341,6 +348,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
has_buggy_thread_startup:true,
has_fast_cwd:true,
has_restricted_raw_disk_access:true,
use_dont_resolve_hack:false,
};
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -381,6 +389,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_buggy_thread_startup:false,
has_fast_cwd:true,
has_restricted_raw_disk_access:true,
use_dont_resolve_hack:false,
};
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));

2
winsup/cygwin/wincap.h
View File

@ -51,6 +51,7 @@ struct wincaps
unsigned has_buggy_thread_startup : 1;
unsigned has_fast_cwd : 1;
unsigned has_restricted_raw_disk_access : 1;
unsigned use_dont_resolve_hack : 1;
};
class wincapc
@ -107,6 +108,7 @@ public:
bool IMPLEMENT (has_buggy_thread_startup)
bool IMPLEMENT (has_fast_cwd)
bool IMPLEMENT (has_restricted_raw_disk_access)
bool IMPLEMENT (use_dont_resolve_hack)
#undef IMPLEMENT
};