wait man page on BSDOS

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WAIT(1)			     BSD Reference Manual		       WAIT(1)

NAME
     wait - await process completion

SYNOPSIS
     wait [pid]

DESCRIPTION
     If invoked with no arguments, the wait utility waits until all existing
     child processes in the background have terminated.

     Available operands:

     pid     If a pid operand is specified, and it is the process ID of a
	     background child process that still exists, the wait utility
	     waits until that process has completed and consumes its status
	     information, without consuming the status information of any oth-
	     er process.

	     If a pid operand is specified that is not the process ID of a
	     child background process that still exists, wait exits without
	     waiting for any processes to complete.

     The wait utility exits with one of the following values:

     0	     The wait utility was invoked with no operands and all of the ex-
	     isting background child processes have terminated, or the process
	     specified by the pid operand exited normally with 0 as its exit
	     status.

     >0	     The specified process did not exist and its exit status informa-
	     tion was not available, or the specified process existed or its
	     exit status information was available, and it terminated with a
	     non-zero exit status.

     If the specified process terminated abnormally due to the receipt of a
     signal, the exit status information of wait contains that termination
     status as well.

STANDARDS
     The wait command is expected to be IEEE Std1003.2 (``POSIX'') compatible.

BSDI BSD/OS			 June 5, 1993				     1
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