gint32 initial, gint32 max)
{
struct _WapiHandle_sem sem_handle = {0};
gpointer handle;
int thr_ret;
/* Need to blow away any old errors here, because code tests
* for ERROR_ALREADY_EXISTS on success (!) to see if a
* semaphore was freshly created
*/
SetLastError (ERROR_SUCCESS);
sem_handle.val = initial;
sem_handle.max = max;
handle = _wapi_handle_new (WAPI_HANDLE_SEM, &sem_handle);
if (handle == _WAPI_HANDLE_INVALID) {
g_warning ("%s: error creating semaphore handle", __func__);
SetLastError (ERROR_GEN_FAILURE);
return(NULL);
}
thr_ret = _wapi_handle_lock_handle (handle);
g_assert (thr_ret == 0);
if (initial != 0) {
_wapi_handle_set_signal_state (handle, TRUE, FALSE);
}
DEBUG ("%s: Created semaphore handle %p initial %d max %d",
__func__, handle, initial, max);
static gpointer mutex_create (WapiSecurityAttributes *security G_GNUC_UNUSED,
gboolean owned)
{
struct _WapiHandle_mutex mutex_handle = {0};
gpointer handle;
int thr_ret;
/* Need to blow away any old errors here, because code tests
* for ERROR_ALREADY_EXISTS on success (!) to see if a mutex
* was freshly created
*/
SetLastError (ERROR_SUCCESS);
DEBUG ("%s: Creating unnamed mutex", __func__);
handle = _wapi_handle_new (WAPI_HANDLE_MUTEX, &mutex_handle);
if (handle == _WAPI_HANDLE_INVALID) {
g_warning ("%s: error creating mutex handle", __func__);
SetLastError (ERROR_GEN_FAILURE);
return(NULL);
}
thr_ret = _wapi_handle_lock_handle (handle);
g_assert (thr_ret == 0);
if(owned==TRUE) {
mutex_own (handle);
} else {
_wapi_handle_set_signal_state (handle, TRUE, FALSE);
}
