set signal timer alarm
() function waits a count of
before asserting the terminating
. When the signal has
successfully been caught,
the amount of time left on the clock. The maximum number of
allowed is 100000000.
If an alarm has been set with
another call to
() will supersede the
prior call. The request
voids the current alarm.
If the call succeeds, any time left remaining from a previous call is returned.
If an error occurs, the value -1 is returned, and a more precise error code is
placed in the global variable errno
() function conforms to
IEEE Std 1003.1-2008
() system call appeared in the
Programmer's Workbench (PWB/UNIX) and was ported to
Version 7 AT&T UNIX
, it was reimplemented as a wrapper around the