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kernel32/tests: Add test to demonstrate a bug related to alertable waits.

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Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2015-10-09 03:43:40 +02:00 committed by Alexandre Julliard
parent 66808858ac
commit d94a6c770a
1 changed files with 66 additions and 0 deletions
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66
dlls/kernel32/tests/sync.c
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@ -2308,6 +2308,71 @@ static void test_srwlock_example(void)
trace("number of total exclusive accesses is %d\n", srwlock_protected_value);
}
static DWORD WINAPI alertable_wait_thread(void *param)
{
HANDLE *semaphores = param;
LARGE_INTEGER timeout;
NTSTATUS status;
DWORD result;
ReleaseSemaphore(semaphores[0], 1, NULL);
result = WaitForMultipleObjectsEx(1, &semaphores[1], TRUE, 1000, TRUE);
todo_wine
ok(result == WAIT_IO_COMPLETION, "expected WAIT_IO_COMPLETION, got %u\n", result);
result = WaitForMultipleObjectsEx(1, &semaphores[1], TRUE, 200, TRUE);
todo_wine
ok(result == WAIT_OBJECT_0, "expected WAIT_OBJECT_0, got %u\n", result);
ReleaseSemaphore(semaphores[0], 1, NULL);
timeout.QuadPart = -10000000;
status = pNtWaitForMultipleObjects(1, &semaphores[1], FALSE, TRUE, &timeout);
todo_wine
ok(status == STATUS_USER_APC, "expected STATUS_USER_APC, got %08x\n", status);
timeout.QuadPart = -2000000;
status = pNtWaitForMultipleObjects(1, &semaphores[1], FALSE, TRUE, &timeout);
todo_wine
ok(status == STATUS_WAIT_0, "expected STATUS_WAIT_0, got %08x\n", status);
return 0;
}
static void CALLBACK alertable_wait_apc(ULONG_PTR userdata)
{
HANDLE *semaphores = (void *)userdata;
ReleaseSemaphore(semaphores[1], 1, NULL);
}
static void test_alertable_wait(void)
{
HANDLE thread, semaphores[2];
DWORD result;
semaphores[0] = CreateSemaphoreW(NULL, 0, 1, NULL);
ok(semaphores[0] != NULL, "CreateSemaphore failed with %u\n", GetLastError());
semaphores[1] = CreateSemaphoreW(NULL, 0, 1, NULL);
ok(semaphores[1] != NULL, "CreateSemaphore failed with %u\n", GetLastError());
thread = CreateThread(NULL, 0, alertable_wait_thread, semaphores, 0, NULL);
ok(thread != NULL, "CreateThread failed with %u\n", GetLastError());
result = WaitForSingleObject(semaphores[0], 1000);
ok(result == WAIT_OBJECT_0, "expected WAIT_OBJECT_0, got %u\n", result);
Sleep(100); /* ensure the thread is blocking in WaitForMultipleObjectsEx */
result = QueueUserAPC(alertable_wait_apc, thread, (ULONG_PTR)semaphores);
ok(result != 0, "QueueUserAPC failed with %u\n", GetLastError());
result = WaitForSingleObject(semaphores[0], 1000);
ok(result == WAIT_OBJECT_0, "expected WAIT_OBJECT_0, got %u\n", result);
Sleep(100); /* ensure the thread is blocking in NtWaitForMultipleObjects */
result = QueueUserAPC(alertable_wait_apc, thread, (ULONG_PTR)semaphores);
ok(result != 0, "QueueUserAPC failed with %u\n", GetLastError());
result = WaitForSingleObject(thread, 1000);
ok(result == WAIT_OBJECT_0, "expected WAIT_OBJECT_0, got %u\n", result);
CloseHandle(thread);
CloseHandle(semaphores[0]);
CloseHandle(semaphores[1]);
}
START_TEST(sync)
{
HMODULE hdll = GetModuleHandleA("kernel32.dll");
@ -2355,4 +2420,5 @@ START_TEST(sync)
test_condvars_consumer_producer();
test_srwlock_base();
test_srwlock_example();
test_alertable_wait();
}