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timer_delete - delete a per-process timer (REALTIME)
The timer_delete() system call deletes the specified timer, timerid,
previously created by the timer_create(2) system call. If the timer is
armed when timer_delete() is called, the behavior is as if the timer is
automatically disarmed before removal. Pending signals for the deleted
timer are cleared.
Upon successful completion, the value 0 is returned; otherwise the
value -1 is returned and the global variable errno is set to indicate the
The timer_delete() system call will fail if:
[EINVAL] The timer ID specified by timerid is not a valid timer
The timer_delete() system call conforms to
Support for POSIX per-process timer first appeared in FreeBSD 7.0.