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ntdll: Don't allow blocking on a critical section during process termination. 

As a result HeapLock() no longer blocks process termination since underlying
implementation uses a critical section. However this should be considered as
a minor side effect because applications shouldn't depend on this behaviour.

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2018-08-07 16:03:16 +08:00 committed by Alexandre Julliard
parent 0f99327e78
commit 7def0f200f
2 changed files with 12 additions and 1 deletions
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4
dlls/kernel32/tests/loader.c
View File

@ -2169,6 +2169,7 @@ static BOOL WINAPI dll_entry_point(HINSTANCE hinst, DWORD reason, LPVOID param)
* doesn't call the DLL entry point on process detach either.
*/
HeapLock(GetProcessHeap());
todo_wine
ok(0, "dll_entry_point: process should already deadlock\n");
break;
}
@ -3023,6 +3024,7 @@ static void test_ExitProcess(void)
ret = CreateProcessA(argv[0], cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
ok(ret, "CreateProcess(%s) error %d\n", cmdline, GetLastError());
ret = WaitForSingleObject(pi.hProcess, 5000);
todo_wine
ok(ret == WAIT_TIMEOUT || broken(ret == WAIT_OBJECT_0) /* XP */, "child process should fail to terminate\n");
if (ret != WAIT_OBJECT_0)
{
@ -3032,6 +3034,7 @@ static void test_ExitProcess(void)
ret = WaitForSingleObject(pi.hProcess, 1000);
ok(ret == WAIT_OBJECT_0, "child process failed to terminate\n");
GetExitCodeProcess(pi.hProcess, &ret);
todo_wine
ok(ret == 201 || broken(ret == 1) /* XP */, "expected exit code 201, got %u\n", ret);
if (*child_failures)
{
@ -3047,7 +3050,6 @@ static void test_ExitProcess(void)
ret = CreateProcessA(argv[0], cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
ok(ret, "CreateProcess(%s) error %d\n", cmdline, GetLastError());
ret = WaitForSingleObject(pi.hProcess, 5000);
todo_wine
ok(ret == WAIT_OBJECT_0, "child process failed to terminate\n");
if (ret != WAIT_OBJECT_0)
{

9
dlls/ntdll/critsection.c
View File

@ -436,6 +436,15 @@ NTSTATUS WINAPI RtlDeleteCriticalSection( RTL_CRITICAL_SECTION *crit )
NTSTATUS WINAPI RtlpWaitForCriticalSection( RTL_CRITICAL_SECTION *crit )
{
LONGLONG timeout = NtCurrentTeb()->Peb->CriticalSectionTimeout.QuadPart / -10000000;
/* Don't allow blocking on a critical section during process termination */
if (RtlDllShutdownInProgress())
{
WARN( "process %s is shutting down, returning STATUS_SUCCESS\n",
debugstr_w(NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer) );
return STATUS_SUCCESS;
}
for (;;)
{
EXCEPTION_RECORD rec;