SETPGRP(2)              COMMAND REFERENCE              SETPGRP(2)



NAME
     setpgrp - set process group

SYNOPSIS
     setpgrp(pid, pgrp)
     int pid, pgrp;

DESCRIPTION
     Setpgrp sets the process group of the specified process pid
     to the specified pgrp.  If pid is zero, then the call
     applies to the current process.

     If the invoker is not the super-user, then the affected
     process must have the same effective user ID as the invoker
     or be a descendant of the invoking process.

DIAGNOSTICS
     Setpgrp will fail and the process group will not be altered
     if one or more of the following occur:

     [ESRCH]      The requested process does not exist.

     [EPERM]      The caller is not the super-user, the effective
                  user ID of the requested process is different
                  from that of the caller and the process is not
                  a descendent of the calling process.

RETURN VALUE
     Upon successful completion, a value of 0 is returned.
     Otherwise, a value of -1 is returned and errno is set to
     indicate the error.

SEE ALSO
     getpgrp(2).





















Printed 4/6/89                                                  1

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