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NAME
- AttemptSemaphore
-
try to obtain without blocking
SYNOPSIS
success = AttemptSemaphore(signalSemaphore)
D0 A0
LONG AttemptSemaphore(struct SignalSemaphore *);
D0 A0
LONG AttemptSemaphore(struct SignalSemaphore *);
FUNCTION
This call is similar to ObtainSemaphore(), except that it will not block if the semaphore could not be locked.
NOTES
This call does NOT preserve registers.
INPUTS
- signalSemaphore
-
an initialized signal semaphore structure
RESULT
- success
-
TRUE if the semaphore was locked, false if some other Task already possessed the semaphore.
SEE ALSO
ObtainSemaphore() ObtainSemaphoreShared(), ReleaseSemaphore(), "exec/semaphores.i", <exec/semaphores.h>