static void test_semaphore(void)
{
HANDLE handle, handle2;
/* test case sensitivity */
SetLastError(0xdeadbeef);
handle = CreateSemaphoreA(NULL, 0, 1, __FILE__ ": Test Semaphore");
ok(handle != NULL, "CreateSemaphore failed with error %u\n", GetLastError());
ok(GetLastError() == 0, "wrong error %u\n", GetLastError());
SetLastError(0xdeadbeef);
handle2 = CreateSemaphoreA(NULL, 0, 1, __FILE__ ": Test Semaphore");
ok( handle2 != NULL, "CreateSemaphore failed with error %d\n", GetLastError());
ok( GetLastError() == ERROR_ALREADY_EXISTS, "wrong error %u\n", GetLastError());
CloseHandle( handle2 );
SetLastError(0xdeadbeef);
handle2 = CreateSemaphoreA(NULL, 0, 1, __FILE__ ": TEST SEMAPHORE");
ok( handle2 != NULL, "CreateSemaphore failed with error %d\n", GetLastError());
ok( GetLastError() == 0, "wrong error %u\n", GetLastError());
CloseHandle( handle2 );
SetLastError(0xdeadbeef);
handle2 = OpenSemaphoreA( SEMAPHORE_ALL_ACCESS, FALSE, __FILE__ ": Test Semaphore");
ok( handle2 != NULL, "OpenSemaphore failed with error %d\n", GetLastError());
CloseHandle( handle2 );
SetLastError(0xdeadbeef);
handle2 = OpenSemaphoreA( SEMAPHORE_ALL_ACCESS, FALSE, __FILE__ ": TEST SEMAPHORE");
ok( !handle2, "OpenSemaphore succeeded\n");
ok( GetLastError() == ERROR_FILE_NOT_FOUND, "wrong error %u\n", GetLastError());
CloseHandle( handle );
}
void dgThreads::CreateThreaded(dgInt32 threads)
{
if (m_numOfThreads)
{
DestroydgThreads();
}
#ifdef _WIN32
if ((threads > 1) && (m_numberOfCPUCores > 1))
{
m_numOfThreads = GetMin(threads, m_numberOfCPUCores);
m_emptySlot = CreateSemaphoreA(NULL, DG_MAXQUEUE, DG_MAXQUEUE, NULL);
m_workToDo = CreateSemaphoreA(NULL, 0, DG_MAXQUEUE, NULL);
m_exit = CreateEventA(NULL, TRUE, FALSE, NULL);
InitializeCriticalSection(&m_criticalSection);
m_topIndex = 0;
m_bottomIndex = 0;
m_workInProgress = 0;
for (dgInt32 i = 0; i < m_numOfThreads; i++)
{
m_threadhandles[i] = (HANDLE) _beginthreadex(NULL, 0, ThreadExecute,
&m_localData[i], 0, NULL);
}
}
#else
if ((threads > 1) && (m_numberOfCPUCores > 1))
{
#ifdef TARGET_OS_IPHONE
m_numOfThreads = 0;
#else
m_numOfThreads = (threads<m_numberOfCPUCores ? threads : m_numberOfCPUCores);
#endif
m_emptySlot = DG_MAXQUEUE;
m_workToDo = 0;
m_workToDoSpinLock = 0;
m_exit = false;
m_criticalSection = 0;
m_topIndex = 0;
m_bottomIndex = 0;
m_workInProgress = 0;
#ifndef TARGET_OS_IPHONE
for(dgInt32 i=0; i < m_numOfThreads; i++)
{
pthread_create( &m_threadhandles[i], NULL, ThreadExecute, &m_localData[i]);
}
#endif
}
#endif
}
BOOL install_wine_gecko(BOOL silent)
{
HANDLE hsem;
SetLastError(ERROR_SUCCESS);
hsem = CreateSemaphoreA( NULL, 0, 1, "mshtml_install_semaphore");
if(GetLastError() == ERROR_ALREADY_EXISTS) {
WaitForSingleObject(hsem, INFINITE);
}else {
/*
* Try to find Gecko .cab file in following order:
* - directory stored in GeckoCabDir value of HKCU/Software/MSHTML key
* - $datadir/gecko
* - download from URL stored in GeckoUrl value of HKCU/Software/MSHTML key
*/
if(!install_from_registered_dir()
&& !install_from_default_dir()
&& !silent && (url = get_url()))
DialogBoxW(hInst, MAKEINTRESOURCEW(ID_DWL_DIALOG), 0, installer_proc);
}
ReleaseSemaphore(hsem, 1, NULL);
CloseHandle(hsem);
return TRUE;
}
static void windows_exit(struct libusb_context *ctx)
{
HANDLE semaphore;
char sem_name[11 + 8 + 1]; // strlen("libusb_init") + (32-bit hex PID) + '\0'
UNUSED(ctx);
sprintf(sem_name, "libusb_init%08X", (unsigned int)(GetCurrentProcessId() & 0xFFFFFFFF));
semaphore = CreateSemaphoreA(NULL, 1, 1, sem_name);
if (semaphore == NULL)
return;
// A successful wait brings our semaphore count to 0 (unsignaled)
// => any concurent wait stalls until the semaphore release
if (WaitForSingleObject(semaphore, INFINITE) != WAIT_OBJECT_0) {
CloseHandle(semaphore);
return;
}
// Only works if exits and inits are balanced exactly
if (--init_count == 0) { // Last exit
if (usbdk_available) {
usbdk_backend.exit(ctx);
usbdk_available = false;
}
winusb_backend.exit(ctx);
htab_destroy();
windows_destroy_clock();
windows_exit_dlls();
}
ReleaseSemaphore(semaphore, 1, NULL); // increase count back to 1
CloseHandle(semaphore);
}
semaphore::semaphore(int32 initialCount, int32 maximumCount, const char *pName)
{
m_handle = CreateSemaphoreA(NULL, initialCount, maximumCount, pName);
if (NULL == m_handle)
{
VOGL_FAIL("semaphore: CreateSemaphore() failed");
}
}
Semaphore::Semaphore()
{
#if BX_PLATFORM_XBOXONE || BX_PLATFORM_WINRT
m_handle = CreateSemaphoreExW(NULL, 0, LONG_MAX, NULL, 0, SEMAPHORE_ALL_ACCESS);
#else
m_handle = CreateSemaphoreA(NULL, 0, LONG_MAX, NULL);
#endif
BX_CHECK(NULL != m_handle, "Failed to create Semaphore!");
}
inline handle create_anonymous_semaphore_nothrow(long initial_count,long max_count)
{
#if !defined(BOOST_NO_ANSI_APIS)
handle const res=CreateSemaphoreA(0,initial_count,max_count,0);
#else
handle const res=CreateSemaphoreW(0,initial_count,max_count,0);
#endif
return res;
}
HOOKFUNC HANDLE WINAPI MyCreateSemaphoreA(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes,LONG lInitialCount,LONG lMaximumCount,LPCSTR lpName)
{
HANDLE rv = CreateSemaphoreA(lpSemaphoreAttributes, lInitialCount, lMaximumCount, lpName);
debuglog(LCF_SYNCOBJ, __FUNCTION__ " returned 0x%X.\n", rv);
EnterCriticalSection(&s_handleCS);
std::set<HANDLE>& handles = s_threadIdHandles[GetCurrentThreadId()];
handles.insert(rv);
LeaveCriticalSection(&s_handleCS);
return rv;
}
/* 信号量 */
SEM sem_Create(const char* name,unsigned int val){
#if defined(WIN32) || defined(_WIN64)
return CreateSemaphoreA(NULL,val,INFINITE,name);
#else
sem_t* sem = sem_open(name,O_CREAT,IPC_ALL_ACCESS,val);
if(sem == SEM_FAILED)
sem = NULL;
return sem;
#endif
}
GSISemaphoreID gsiCreateSemaphore(gsi_i32 theInitialCount, gsi_i32 theMaxCount, char* theName)
{
GSISemaphoreID aSemaphore = CreateSemaphoreA(NULL, theInitialCount, theMaxCount, theName);
if (aSemaphore == NULL)
{
gsDebugFormat(GSIDebugCat_Common, GSIDebugType_Misc, GSIDebugLevel_WarmError,
"Failed to create semaphore\r\n");
}
return aSemaphore;
}
HOOKFUNC HANDLE WINAPI MyCreateSemaphoreA(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes, LONG lInitialCount, LONG lMaximumCount, LPCSTR lpName)
{
ENTER();
HANDLE rv = CreateSemaphoreA(lpSemaphoreAttributes, lInitialCount, lMaximumCount, lpName);
LEAVE(rv);
EnterCriticalSection(&s_handleCS);
std::set<HANDLE>& handles = s_threadIdHandles[GetCurrentThreadId()];
handles.insert(rv);
LeaveCriticalSection(&s_handleCS);
return rv;
}
Burger::Semaphore::Semaphore(Word32 uCount) :
m_uCount(uCount)
{
// Get the maximum semaphores
Word32 uMax = uCount+32768U;
// Did it wrap (Overflow?)
if (uMax<uCount) {
// Use max
uMax = BURGER_MAXUINT;
}
m_pSemaphore = CreateSemaphoreA(NULL,uCount,uMax,NULL);
}
CSingleInstance::CSingleInstance(const string& strMutexName)
{
// be sure to use a name that is unique for this application otherwise
// two apps may think they are the same if they are using same name for
// 3rd parm to CreateMutex
SECURITY_ATTRIBUTES SA;
SECURITY_DESCRIPTOR SD;
SECURITY_ATTRIBUTES *pSA = InitSecurityAttribute(SA, SD);
// Create a Semaphore with a name of application exename
m_hMutex = CreateSemaphoreA(pSA, 1, 1, strMutexName.c_str());
m_dwLastError = ::GetLastError(); //save for use later...
}
inline handle create_anonymous_semaphore(long initial_count,long max_count)
{
#if !defined(BOOST_NO_ANSI_APIS)
handle const res=CreateSemaphoreA(0,initial_count,max_count,0);
#else
handle const res=CreateSemaphoreW(0,initial_count,max_count,0);
#endif
if(!res)
{
boost::throw_exception(thread_resource_error());
}
return res;
}
msg_driven_service::msg_driven_service()
:m_semaphore(NULL),
m_hthread(NULL),
m_b_notify_exit(false),
m_timer(NULL),
m_ap_event_mgr(NULL)
{
InitializeCriticalSection(&m_cs);
m_semaphore=CreateSemaphoreA(NULL,0,1000,NULL);
m_timer=CreateWaitableTimerA(NULL,FALSE,NULL);
LARGE_INTEGER start_time;
start_time.QuadPart=-1;
SetWaitableTimer(m_timer,&start_time,1000,NULL,NULL,TRUE);
m_ap_event_mgr.reset(new time_event_mgr);
}
int zsem_init(zsem_t* sem, int value){
int ret = ZEOK;
#ifdef ZSYS_POSIX
if(0 != (ret = sem_init(sem, 0, value))){
ret = errno;
}
#else//ZSYS_WINDOWS
*sem = CreateSemaphoreA(NULL, value, ZSEM_MAX, NULL);
if (NULL == *sem) {
ret = GetLastError();
}
#endif
#if ZTRACE_SEM
ZERRC(ret);
#endif
return ret;
}
int am_agent_instance_init_init(int id) {
int status = AM_ERROR;
#if defined(_WIN32)
ic_sem = CreateSemaphoreA(NULL, 1, 1, get_global_name("Global\\"AM_CONFIG_INIT_NAME, id));
if (ic_sem != NULL) {
status = AM_SUCCESS;
}
#elif defined(__APPLE__)
kern_return_t rv = semaphore_create(mach_task_self(), &ic_sem, SYNC_POLICY_FIFO, 1);
if (rv == KERN_SUCCESS) {
status = AM_SUCCESS;
}
#else
ic_sem = sem_open(get_global_name(AM_CONFIG_INIT_NAME, id), O_CREAT, 0600, 1);
if (ic_sem != SEM_FAILED) {
status = AM_SUCCESS;
}
#endif
return status;
}
VCOS_STATUS_T
vcos_win32_named_semaphore_create(VCOS_NAMED_SEMAPHORE_T *sem, const char *name, VCOS_UNSIGNED count)
{
char buf[64];
HANDLE h;
int ret = vcos_snprintf(buf, sizeof(buf), "Global\\%s", name);
if (ret < 0)
{
vcos_assert(0);
return VCOS_ENOSPC;
}
h = CreateSemaphoreA(NULL, count, 1<<16, buf);
if (h != NULL)
{
sem->sem = h;
return VCOS_SUCCESS;
}
else
return vcos_win32_map_error();
}
zsem_t* zsem_create(int value){
int ret = ZEOK;
zsem_t* sem = (zsem_t*)malloc(sizeof(zsem_t));
if(NULL != sem){
#ifdef ZSYS_POSIX
if(0 != (ret = sem_init(sem, 0, value))){
ret = errno;
}
#else//ZSYS_WINDOWS
*sem = CreateSemaphoreA(NULL, value, ZSEM_MAX, NULL);
if (NULL == *sem) {
ret = GetLastError();
}
#endif
}else{
ret = ZEMEM_INSUFFICIENT;
}
#if ZTRACE_SEM
ZERRC(ret);
#endif
return sem;
}
tb_semaphore_ref_t tb_semaphore_init(tb_size_t init)
{
// check
tb_assert_and_check_return_val(init <= TB_SEMAPHORE_VALUE_MAXN, tb_null);
// done
tb_bool_t ok = tb_false;
tb_semaphore_impl_t* impl = tb_null;
do
{
// make semaphore
impl = tb_malloc0_type(tb_semaphore_impl_t);
tb_assert_and_check_break(impl);
// init semaphore
impl->semaphore = CreateSemaphoreA(tb_null, (DWORD)init, TB_SEMAPHORE_VALUE_MAXN, tb_null);
tb_assert_and_check_break(impl->semaphore && impl->semaphore != INVALID_HANDLE_VALUE);
// init value
impl->value = init;
// ok
ok = tb_true;
} while (0);
// failed?
if (!ok)
{
// exit it
if (impl) tb_semaphore_exit((tb_semaphore_ref_t)impl);
impl = tb_null;
}
// ok?
return (tb_semaphore_ref_t)impl;
}
static pboolean
pp_cond_variable_init_xp (PCondVariable *cond)
{
PCondVariableXP *cv_xp;
if ((cond->cv = p_malloc0 (sizeof (PCondVariableXP))) == NULL) {
P_ERROR ("PCondVariable::pp_cond_variable_init_xp: failed to allocate memory (internal)");
return FALSE;
}
cv_xp = ((PCondVariableXP *) cond->cv);
cv_xp->waiters_count = 0;
cv_xp->waiters_sema = CreateSemaphoreA (NULL, 0, MAXLONG, NULL);
if (P_UNLIKELY (cv_xp->waiters_sema == NULL)) {
P_ERROR ("PCondVariable::pp_cond_variable_init_xp: failed to initialize semaphore");
p_free (cond->cv);
cond->cv = NULL;
return FALSE;
}
return TRUE;
}
static void test_RtlQueueWorkItem(void)
{
HANDLE semaphore;
NTSTATUS status;
DWORD result;
semaphore = CreateSemaphoreA(NULL, 0, 1, NULL);
ok(semaphore != NULL, "CreateSemaphoreA failed %u\n", GetLastError());
status = RtlQueueWorkItem(rtl_work_cb, semaphore, WT_EXECUTEDEFAULT);
ok(!status, "RtlQueueWorkItem failed with status %x\n", status);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
status = RtlQueueWorkItem(rtl_work_cb, semaphore, WT_EXECUTEINIOTHREAD);
ok(!status, "RtlQueueWorkItem failed with status %x\n", status);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
status = RtlQueueWorkItem(rtl_work_cb, semaphore, WT_EXECUTEINPERSISTENTTHREAD);
ok(!status, "RtlQueueWorkItem failed with status %x\n", status);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
status = RtlQueueWorkItem(rtl_work_cb, semaphore, WT_EXECUTELONGFUNCTION);
ok(!status, "RtlQueueWorkItem failed with status %x\n", status);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
status = RtlQueueWorkItem(rtl_work_cb, semaphore, WT_TRANSFER_IMPERSONATION);
ok(!status, "RtlQueueWorkItem failed with status %x\n", status);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
CloseHandle(semaphore);
}
int __cdecl main (int argc, char **argv)
{
int i;
int j;
if(0 != (PAL_Initialize(argc, argv)))
{
return (FAIL);
}
/* create semaphores */
for (i = 0; i < sizeof(testCases)/sizeof(struct testcase); i++)
{
hSemaphore[i] = CreateSemaphoreA (testCases[i].lpSemaphoreAttributes,
testCases[i].lInitialCount,
testCases[i].lMaximumCount,
testCases[i].lpName);
if (NULL == hSemaphore[i])
{
if (!testCases[i].bNegativeTest)
{
Trace("PALSUITE ERROR: CreateSemaphoreA('%p' '%ld' '%ld' "
"'%p') returned NULL at index %d.\nGetLastError "
"returned %d.\n", testCases[i].lpSemaphoreAttributes,
testCases[i].lInitialCount, testCases[i].lMaximumCount,
testCases[i].lpName, i, GetLastError());
if (i > 0)
{
cleanup(i - 1);
}
Fail("");
}
else
{
continue;
}
}
/* incriment semaphore count to lMaximumCount */
for (j = testCases[i].lInitialCount; j <= testCases[i].lMaximumCount;
j++)
{
if (testCases[i].lMaximumCount == j)
{
/* Call ReleaseSemaphore once more to ensure ReleaseSemaphore
fails */
if(ReleaseSemaphore(hSemaphore[i], 1, NULL))
{
Trace("PALSUITE ERROR: ReleaseSemaphore('%p' '%ld' '%p') "
"call returned %d\nwhen it should have returned "
"%d.\nThe semaphore's count was %d.\nGetLastError "
"returned %d.\n", hSemaphore[i], 1, NULL, TRUE,
FALSE, j, GetLastError());
cleanup(i);
Fail("");
}
}
else
{
int previous;
BOOL bRet = ReleaseSemaphore(hSemaphore[i], 1, &previous);
DWORD dwError = GetLastError();
if(!bRet)
{
Trace("PALSUITE ERROR: ReleaseSemaphore('%p' '%ld' '%p') "
"call returned %d\nwhen it should have returned "
"%d.\nThe semaphore count was %d and it's "
"lMaxCount was %d.\nGetLastError returned %d.\n",
hSemaphore[i], 1, &previous, bRet, TRUE, j,
testCases[i].lMaximumCount, dwError);
cleanup(i);
Fail("");
}
if (previous != j)
{
Trace("PALSUITE ERROR: ReleaseSemaphore('%p' '%ld' '%p') "
"call set %p to %d instead of %d.\n The semaphore "
"count was %d and GetLastError returned %d.\n",
hSemaphore[i], 1, &previous, &previous, previous,
j, j, dwError);
cleanup(i);
Fail("");
}
}
}
/* decrement semaphore count to 0 */
for (j = testCases[i].lMaximumCount; j >= 0; j--)
{
DWORD dwRet = WaitForSingleObject(hSemaphore[i], 0);
DWORD dwError = GetLastError();
if (0 == j)
{
/* WaitForSingleObject should report that the
semaphore is nonsignaled */
if (WAIT_TIMEOUT != dwRet)
{
Trace("PALSUITE ERROR: WaitForSingleObject('%p' '%u') "
"call returned %d\nwhen it should have returned "
"%d.\nThe semaphore's count was %d.\nGetLastError "
"returned %d.\n", hSemaphore[i], 0, dwRet,
WAIT_TIMEOUT, j, dwError);
cleanup(i);
Fail("");
}
}
else
{
/* WaitForSingleObject should report that the
semaphore is signaled */
if (WAIT_OBJECT_0 != dwRet)
{
Trace("PALSUITE ERROR: WaitForSingleObject('%p' '%u') "
"call returned %d\nwhen it should have returned "
"%d.\nThe semaphore's count was %d.\nGetLastError "
"returned %d.\n", hSemaphore[i], 0, dwRet,
WAIT_OBJECT_0, j, dwError);
cleanup(i);
Fail("");
}
}
}
}
PAL_Terminate();
return (PASS);
}
Setup the semaphore
*/
HANDLE QSystemLockPrivate::handle()
{
// don't allow making handles on empty keys
if (key.isEmpty())
return 0;
// Create it if it doesn't already exists.
if (semaphore == 0) {
QString safeName = makeKeyFileName();
QT_WA({
semaphore = CreateSemaphoreW(0, MAX_LOCKS, MAX_LOCKS, (TCHAR*)safeName.utf16());
}, {
semaphore = CreateSemaphoreA(0, MAX_LOCKS, MAX_LOCKS, safeName.toLocal8Bit().constData());
});
if (semaphore == 0) {
setErrorString(QLatin1String("QSystemLockPrivate::handle"));
return 0;
}
}
if (semaphoreLock == 0) {
QString safeLockName = QSharedMemoryPrivate::makePlatformSafeKey(key + QLatin1String("lock"), QLatin1String("qipc_systemlock_"));
QT_WA({
semaphoreLock = CreateSemaphoreW(0,
1, 1, (TCHAR*)safeLockName.utf16());
}, {
semaphoreLock = CreateSemaphoreA(0,
static void test_tp_timer(void)
{
TP_CALLBACK_ENVIRON environment;
DWORD result, ticks;
LARGE_INTEGER when;
HANDLE semaphore;
NTSTATUS status;
TP_TIMER *timer;
TP_POOL *pool;
BOOL success;
int i;
semaphore = CreateSemaphoreA(NULL, 0, 1, NULL);
ok(semaphore != NULL, "CreateSemaphoreA failed %u\n", GetLastError());
/* allocate new threadpool */
pool = NULL;
status = pTpAllocPool(&pool, NULL);
ok(!status, "TpAllocPool failed with status %x\n", status);
ok(pool != NULL, "expected pool != NULL\n");
/* allocate new timer */
timer = NULL;
memset(&environment, 0, sizeof(environment));
environment.Version = 1;
environment.Pool = pool;
status = pTpAllocTimer(&timer, timer_cb, semaphore, &environment);
ok(!status, "TpAllocTimer failed with status %x\n", status);
ok(timer != NULL, "expected timer != NULL\n");
success = pTpIsTimerSet(timer);
ok(!success, "TpIsTimerSet returned TRUE\n");
/* test timer with a relative timeout */
when.QuadPart = (ULONGLONG)200 * -10000;
pTpSetTimer(timer, &when, 0, 0);
success = pTpIsTimerSet(timer);
ok(success, "TpIsTimerSet returned FALSE\n");
pTpWaitForTimer(timer, FALSE);
result = WaitForSingleObject(semaphore, 100);
ok(result == WAIT_TIMEOUT, "WaitForSingleObject returned %u\n", result);
result = WaitForSingleObject(semaphore, 200);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
success = pTpIsTimerSet(timer);
ok(success, "TpIsTimerSet returned FALSE\n");
/* test timer with an absolute timeout */
NtQuerySystemTime( &when );
when.QuadPart += (ULONGLONG)200 * 10000;
pTpSetTimer(timer, &when, 0, 0);
success = pTpIsTimerSet(timer);
ok(success, "TpIsTimerSet returned FALSE\n");
pTpWaitForTimer(timer, FALSE);
result = WaitForSingleObject(semaphore, 100);
ok(result == WAIT_TIMEOUT, "WaitForSingleObject returned %u\n", result);
result = WaitForSingleObject(semaphore, 200);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
success = pTpIsTimerSet(timer);
ok(success, "TpIsTimerSet returned FALSE\n");
/* test timer with zero timeout */
when.QuadPart = 0;
pTpSetTimer(timer, &when, 0, 0);
success = pTpIsTimerSet(timer);
ok(success, "TpIsTimerSet returned FALSE\n");
pTpWaitForTimer(timer, FALSE);
result = WaitForSingleObject(semaphore, 50);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
success = pTpIsTimerSet(timer);
ok(success, "TpIsTimerSet returned FALSE\n");
/* unset the timer */
pTpSetTimer(timer, NULL, 0, 0);
success = pTpIsTimerSet(timer);
ok(!success, "TpIsTimerSet returned TRUE\n");
pTpWaitForTimer(timer, TRUE);
pTpReleaseTimer(timer);
CloseHandle(semaphore);
semaphore = CreateSemaphoreA(NULL, 0, 3, NULL);
ok(semaphore != NULL, "CreateSemaphoreA failed %u\n", GetLastError());
/* allocate a new timer */
timer = NULL;
memset(&environment, 0, sizeof(environment));
environment.Version = 1;
environment.Pool = pool;
status = pTpAllocTimer(&timer, timer_cb, semaphore, &environment);
ok(!status, "TpAllocTimer failed with status %x\n", status);
ok(timer != NULL, "expected timer != NULL\n");
/* test a relative timeout repeated periodically */
when.QuadPart = (ULONGLONG)200 * -10000;
pTpSetTimer(timer, &when, 200, 0);
success = pTpIsTimerSet(timer);
ok(success, "TpIsTimerSet returned FALSE\n");
/* wait until the timer was triggered three times */
ticks = GetTickCount();
for (i = 0; i < 3; i++)
{
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
}
ticks = GetTickCount() - ticks;
ok(ticks >= 500 && (ticks <= 700 || broken(ticks <= 750)) /* Win 7 */,
"expected approximately 600 ticks, got %u\n", ticks);
/* unset the timer */
pTpSetTimer(timer, NULL, 0, 0);
success = pTpIsTimerSet(timer);
ok(!success, "TpIsTimerSet returned TRUE\n");
pTpWaitForTimer(timer, TRUE);
/* cleanup */
pTpReleaseTimer(timer);
pTpReleasePool(pool);
CloseHandle(semaphore);
}
//---------------------------------------------------------
bool spoutMemoryShare::Initialize()
{
#ifdef CONSOLE_DEBUG
DWORD errnum;
#endif
// Have semaphore names been set ?
if(!szShareMemoryName[0]) {
setSharedMemoryName("spoutMemoryShare");
}
// Create or open read semaphore depending, on whether it already exists or not
hReadSemaphore = CreateSemaphoreA (
NULL, // default security attributes
1, // initial count (do not allow a read until write allows it)
1, // maximum count
(LPSTR)szReadSemaphoreName);
if (hReadSemaphore == NULL) {
#ifdef CONSOLE_DEBUG
printf("Create Read Semaphore error\n");
#endif
return false;
}
#ifdef CONSOLE_DEBUG
else {
errnum = GetLastError();
// printf("Read Semaphore GetLastError() = %d\n", errnum);
if(errnum == ERROR_INVALID_HANDLE) {
printf("Read Semaphore invalid handle\n");
}
if(errnum == ERROR_ALREADY_EXISTS) {
printf("Read Semaphore [%s] already exists\n", szReadSemaphoreName);
}
else {
printf("Read Semaphore [%s] created\n", szReadSemaphoreName);
}
}
#endif
hWriteSemaphore = CreateSemaphoreA (
NULL, // default security attributes
1, // initial count (allow write)
1, // maximum count
(LPSTR)szWriteSemaphoreName);
if (hWriteSemaphore == NULL) {
#ifdef CONSOLE_DEBUG
printf("Create Write Semaphore error\n");
#endif
return false;
}
#ifdef CONSOLE_DEBUG
else {
errnum = GetLastError();
// printf("Write Semaphore GetLastError() = %d\n", errnum);
if(errnum == ERROR_INVALID_HANDLE) {
printf("Write Semaphore invalid handle\n");
}
if(errnum == ERROR_ALREADY_EXISTS) {
printf("Write Semaphore [%s] already exists\n", szWriteSemaphoreName);
}
else {
printf("Write Semaphore [%s] created\n", szWriteSemaphoreName);
}
}
#endif
// Each time a thread completes a wait for a semaphore object,
// the count of the semaphore object is decremented by one.
// When the thread has finished, it calls the ReleaseSemaphore function,
// which increments the count of the semaphore object.
// Set up Shared Memory
// allocate space for an rgb bitmap the size of the desktop, then nothing will be bigger
DWORD size = (DWORD)( sizeof(BITMAPINFOHEADER)+GetSystemMetrics(SM_CXSCREEN)*GetSystemMetrics(SM_CYSCREEN)*3 );
// Create or open shared memory, depending on whether it already exists or not
// Must be CreateFileMappingA, not CreateFileMapping or it doesn't work
hSharedMemory = CreateFileMappingA ( INVALID_HANDLE_VALUE, // use paging file
NULL, // default security
PAGE_READWRITE, // read/write access
0, // max. object size
size, // buffer size
(LPCSTR)szShareMemoryName); // name of mapping object
if (hSharedMemory == NULL || hSharedMemory == INVALID_HANDLE_VALUE) {
#ifdef CONSOLE_DEBUG
printf("Error occured while creating file mapping object : %d\n", GetLastError() );
#endif
return false;
}
#ifdef CONSOLE_DEBUG
else {
errnum = GetLastError();
// printf("map name = %s : GetLastError() = %d\n", szShareMemoryName, errnum);
if(errnum == ERROR_INVALID_HANDLE) {
printf("map invalid handle\n");
}
if(errnum == ERROR_ALREADY_EXISTS) {
printf("map already exists\n");
// here we can set bIsClient also
}
else {
printf("map created OK\n");
}
}
#endif
pBuffer = (LPTSTR)MapViewOfFile( hSharedMemory, // handle to map object
FILE_MAP_ALL_ACCESS, // read/write permission
0,
0,
size);
if (NULL == pBuffer) {
#ifdef CONSOLE_DEBUG
printf("Error occured while mapping view of the file : %d\n", GetLastError() );
#endif
return false;
}
// ==== SEMAPHORES ====
return true;
} // end Initialize
static void test_tp_window_length(void)
{
struct window_length_info info1, info2;
TP_CALLBACK_ENVIRON environment;
TP_TIMER *timer1, *timer2;
LARGE_INTEGER when;
HANDLE semaphore;
NTSTATUS status;
TP_POOL *pool;
DWORD result;
semaphore = CreateSemaphoreA(NULL, 0, 2, NULL);
ok(semaphore != NULL, "CreateSemaphoreA failed %u\n", GetLastError());
/* allocate new threadpool */
pool = NULL;
status = pTpAllocPool(&pool, NULL);
ok(!status, "TpAllocPool failed with status %x\n", status);
ok(pool != NULL, "expected pool != NULL\n");
/* allocate two identical timers */
memset(&environment, 0, sizeof(environment));
environment.Version = 1;
environment.Pool = pool;
timer1 = NULL;
info1.semaphore = semaphore;
status = pTpAllocTimer(&timer1, window_length_cb, &info1, &environment);
ok(!status, "TpAllocTimer failed with status %x\n", status);
ok(timer1 != NULL, "expected timer1 != NULL\n");
timer2 = NULL;
info2.semaphore = semaphore;
status = pTpAllocTimer(&timer2, window_length_cb, &info2, &environment);
ok(!status, "TpAllocTimer failed with status %x\n", status);
ok(timer2 != NULL, "expected timer2 != NULL\n");
/* choose parameters so that timers are not merged */
info1.ticks = 0;
info2.ticks = 0;
NtQuerySystemTime( &when );
when.QuadPart += (ULONGLONG)250 * 10000;
pTpSetTimer(timer2, &when, 0, 0);
Sleep(50);
when.QuadPart -= (ULONGLONG)150 * 10000;
pTpSetTimer(timer1, &when, 0, 75);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
ok(info1.ticks != 0 && info2.ticks != 0, "expected that ticks are nonzero\n");
ok(info2.ticks >= info1.ticks + 75 || broken(info2.ticks < info1.ticks + 75) /* Win 2008 */,
"expected that timers are not merged\n");
/* timers will be merged */
info1.ticks = 0;
info2.ticks = 0;
NtQuerySystemTime( &when );
when.QuadPart += (ULONGLONG)250 * 10000;
pTpSetTimer(timer2, &when, 0, 0);
Sleep(50);
when.QuadPart -= (ULONGLONG)150 * 10000;
pTpSetTimer(timer1, &when, 0, 200);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
ok(info1.ticks != 0 && info2.ticks != 0, "expected that ticks are nonzero\n");
ok(info2.ticks >= info1.ticks - 50 && info2.ticks <= info1.ticks + 50,
"expected that timers are merged\n");
/* on Windows the timers also get merged in this case */
info1.ticks = 0;
info2.ticks = 0;
NtQuerySystemTime( &when );
when.QuadPart += (ULONGLONG)100 * 10000;
pTpSetTimer(timer1, &when, 0, 200);
Sleep(50);
when.QuadPart += (ULONGLONG)150 * 10000;
pTpSetTimer(timer2, &when, 0, 0);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
result = WaitForSingleObject(semaphore, 1000);
ok(result == WAIT_OBJECT_0, "WaitForSingleObject returned %u\n", result);
ok(info1.ticks != 0 && info2.ticks != 0, "expected that ticks are nonzero\n");
todo_wine
ok(info2.ticks >= info1.ticks - 50 && info2.ticks <= info1.ticks + 50,
"expected that timers are merged\n");
/* cleanup */
pTpReleaseTimer(timer1);
pTpReleaseTimer(timer2);
pTpReleasePool(pool);
CloseHandle(semaphore);
}
bool CShareMem::Create(std::string strSMName, unsigned unSMMSize)
{
bool bResult = false;
do
{
if(strSMName.empty() || 0 == unSMMSize || unSMMSize < sizeof(SWRPos))
break;
m_strSMName = strSMName;
SECURITY_ATTRIBUTES SecAttr, *pSec = 0;
SECURITY_DESCRIPTOR SecDesc;
if (strSMName.find("Global\\") != std::string::npos)
{
InitializeSecurityDescriptor(&SecDesc, SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl(&SecDesc, TRUE, (PACL)0, FALSE); //Add the ACL to the security descriptor.这里设置的是一个空的DACL
SecAttr.nLength = sizeof(SecAttr);
SecAttr.lpSecurityDescriptor = &SecDesc;
SecAttr.bInheritHandle = TRUE;
pSec = &SecAttr;
}
std::string strMutexName = strSMName + "Mutex";
m_hMutexSyncData = CreateMutexA(pSec, FALSE, strMutexName.c_str());
if(NULL == m_hMutexSyncData)
break;
std::string strSemName = strSMName + "Recv";
m_hWait[0] = CreateSemaphoreA(pSec, 0, 5000, strSemName.c_str());
if(NULL == m_hWait[0])
break;
std::string strSemExit = strSMName + "Exit";
m_hWait[1] = CreateSemaphoreA(pSec, 0, 1, strSemExit.c_str());
if(NULL == m_hWait[0])
break;
//当你创建了一个命名管道，它的安全参数指定了NULL，这就表明只有创建者才可以作为Client访问这个命名管道。
m_hFileMapObj = CreateFileMappingA(INVALID_HANDLE_VALUE, pSec, PAGE_READWRITE, 0, unSMMSize, strSMName.c_str());
DWORD gg = GetLastError();
if(NULL == m_hFileMapObj)
break;
//将其映射到本进程的地址空间中
m_pMapView = (char *)MapViewOfFile(m_hFileMapObj, FILE_MAP_ALL_ACCESS, 0, 0, 0);
if(NULL == m_pMapView)
break;
m_pWRPos = reinterpret_cast<PSWRPos>(m_pMapView);
m_pWRPos->mem_len = unSMMSize - sizeof(SWRPos);
m_pWRPos->read_pos = 0;
m_pWRPos->write_pos = 0;
m_pUserBufBasePos = m_pMapView + sizeof(SWRPos);
m_bSMSuccess = bResult = true;
} while (false);
if(!bResult)
{
close();
}
return bResult;
}
}
}
HANDLE QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
{
// don't allow making handles on empty keys
if (key.isEmpty())
return 0;
// Create it if it doesn't already exists.
if (semaphore == 0) {
QString safeName = makeKeyFileName();
QT_WA({
semaphore = CreateSemaphoreW(0, initialValue, MAXLONG, (TCHAR*)safeName.utf16());
}, {
semaphore = CreateSemaphoreA(0, initialValue, MAXLONG, safeName.toLocal8Bit().constData());
});
if (semaphore == NULL)
setErrorString(QLatin1String("QSystemSemaphore::handle"));
}
return semaphore;
}
void QSystemSemaphorePrivate::cleanHandle()
{
if (semaphore && !CloseHandle(semaphore)) {
#if defined QSYSTEMSEMAPHORE_DEBUG
qDebug() << QLatin1String("QSystemSemaphorePrivate::CloseHandle: sem failed");
#endif
}
int main(int argc, char* argv[])
{
LPTHREAD_START_ROUTINE routine[CORE_NUMBER];
int i,j;
int stacksize = 8000;
_argc = argc;
_argv = argv;
routine[0] = computationThread_Core1;
/*routine[1] = computationThread_Core1;
routine[2] = computationThread_Core2;
routine[3] = computationThread_Core3;
routine[4] = computationThread_Core4;
routine[5] = computationThread_Core5;
routine[6] = computationThread_Core6;
routine[7] = computationThread_Core7;*/
for(i=0;i<MEDIA_NR;i++){
for(j=0;j<MEDIA_NR;j++){
char sem_name[20]="sem_init";
char sem_num[4];
if(i!=j){
_itoa_s(i,sem_num,2,10);
strcat_s(sem_name,20,sem_num);
strcat_s(sem_name,20,"_");
_itoa_s(j,sem_num,2,10);
strcat_s(sem_name,20,sem_num);
sem_init[i][j] = CreateSemaphoreA(NULL,1,1,sem_name);
}
}
}
for(i=0;i<CORE_NUMBER;i++){
HANDLE thread = CreateThread(NULL,stacksize,routine[i],NULL,0,NULL);
SetThreadAffinityMask(thread,1<<i);
/*SetThreadPriority(
thread,
THREAD_PRIORITY_HIGHEST
);*/
}
/*
{
HANDLE semaphore = CreateSemaphore (NULL,0,1,"semaphore");
WaitForSingleObject(semaphore,INFINITE);
}*/
for(i=0;i<1000000000;i++){
i--;
}
return 0;
}
