/**
* Try acquire an Uninterruptible Spin Lock.
*
* Will return immediately if the lock has already been acquired by another thread.
* If lock is acquired, interrupts will be disabled.
*
* \return Returns TRUE if the lock was acquired.
*/
BOOL
OSUninterruptibleSpinLock_TryAcquire(OSSpinLock *spinlock)
{
if (!spinTryLock(spinlock)) {
return FALSE;
}
spinlock->restoreInterruptState = OSDisableInterrupts();
return TRUE;
}
BOOL
OSTryAcquireSpinLock(OSSpinLock *spinlock)
{
OSTestThreadCancel();
return spinTryLock(spinlock) ? TRUE : FALSE;
}
BOOL
OSUninterruptibleSpinLock_TryAcquire(OSSpinLock *spinlock)
{
return spinTryLock(spinlock);
}