alarm man page on Xenix

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     ALARM(S)		      XENIX System V		      ALARM(S)

     Name
	  alarm - Sets a process' alarm clock.

     Syntax
	  unsigned alarm (sec)
	  unsigned sec;

     Description
	  alarm sets the calling process' alarm clock to sec seconds.
	  After sec ``real-time'' seconds have elasped, the alarm
	  clock sends a SIGALRM signal to the process; see signal(S).

	  Although alarm does not wait for the signal after setting
	  the alarm clock, pause(S) may be used to make the calling
	  process wait.

	  Alarm requests are not stacked; successive calls reset the
	  calling process' alarm clock.

	  If sec is 0, any previously made alarm request is canceled.

	  fork(S) sets the alarm clock of a new process to 0.  a
	  process created by exec(S) inherits the time left on the old
	  process's alarm clock.

     Return Value
	  alarm returns the amount of time previously remaining in the
	  calling process' alarm clock.

     See Also
	  pause(S), signal(S)

     Page 1					      (printed 8/7/87)

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