MXUserExclLock *
MXUser_CreateSingletonExclLock(Atomic_Ptr *lockStorage, // IN/OUT:
const char *name, // IN:
MX_Rank rank) // IN:
{
MXUserExclLock *lock;
ASSERT(lockStorage);
lock = Atomic_ReadPtr(lockStorage);
if (UNLIKELY(lock == NULL)) {
MXUserExclLock *newLock = MXUser_CreateExclLock(name, rank);
lock = Atomic_ReadIfEqualWritePtr(lockStorage, NULL, (void *) newLock);
if (lock) {
MXUser_DestroyExclLock(newLock);
} else {
lock = Atomic_ReadPtr(lockStorage);
}
}
return lock;
}
static void
PollGtkExit(void)
{
Poll *poll = pollState;
ASSERT(poll != NULL);
PollGtkLock();
g_hash_table_destroy(poll->deviceTable);
g_hash_table_destroy(poll->timerTable);
poll->deviceTable = NULL;
poll->timerTable = NULL;
#ifdef _WIN32
g_hash_table_destroy(poll->signaledTable);
poll->signaledTable = NULL;
g_slist_free(poll->newSignaled);
poll->newSignaled = NULL;
if (poll->retrySource > 0) {
g_source_remove(poll->retrySource);
poll->retrySource = 0;
}
#endif
PollGtkUnlock();
MXUser_DestroyExclLock(poll->lock);
g_free(poll);
pollState = NULL;
}