NAME
timer_delete —
delete a per-process timer
SYNOPSIS
int timer_delete(timer_t timerid);
DESCRIPTION
The timer_delete () function deletes the
specified timer, timerid, previously created by the
timer_create(3) function. If the timer is armed when
timer_delete () is called, the behavior shall be as
if the timer is automatically disarmed before removal. The disposition of
pending signals for the deleted timer is unspecified.
The behavior is undefined if the value specified by the
timerid argument to timer_delete
() does not correspond to a timer ID returned by
timer_create(3) but not yet deleted by
timer_delete ().
RETURN VALUE
If successful, the timer_delete ()
function shall return a value of zero. Otherwise, the function shall return
a value of -1 and set
errno to
indicate the error.
ERRORS
No errors are defined.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
If an implementation detects that the value specified by the
timerid argument to timer_delete
() does not correspond to a timer ID returned by
timer_create(3) but not yet deleted by
timer_delete (), it is recommended that the function
should fail and report an [EINVAL] error.
FUTURE DIRECTIONS
None.
SEE ALSO
XBD <time.h>
CHANGE HISTORY
First released in Issue 5. Included for alignment with the POSIX Realtime Extension.
Issue 6
The timer_delete () function is marked as
part of the Timers option.
The [ENOSYS] error condition has been removed as stubs need not be provided if an implementation does not support the Timers option.
IEEE Std 1003.1-2001 (“POSIX.1”)/Cor 2-2004, item XSH/TC2/D6/139 is applied, updating the ERRORS section so that the [EINVAL] error becomes optional.
Issue 7
The timer_delete () function is moved from
the Timers option to the Base.
POSIX.1-2008, Technical Corrigendum 2, XSH/TC2-2008/0369 [659] is applied.