setpgrp man page on BSDOS

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SETPGID(2)		    BSD Programmer's Manual		    SETPGID(2)

NAME
     setpgid, setpgrp - set process group

SYNOPSIS
     #include <sys/types.h>
     #include <unistd.h>

     int
     setpgid(pid_t pid, pid_t pgrp);

     int
     setpgrp(pid_t pid, pid_t pgrp);

DESCRIPTION
     Setpgid() sets the process group of the specified process pid to the
     specified pgrp. If pid is zero, then the call applies to the current pro-
     cess.

     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 in-
     voking process.

RETURN VALUES
     Setpgid() returns 0 when the operation was successful.  If the request
     failed, -1 is returned and the global variable errno indicates the rea-
     son.

ERRORS
     Setpgid() will fail and the process group will not be altered if:

     [ESRCH]
	     The requested process does not exist.

     [EPERM]
	     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.

SEE ALSO
     getpgrp(2)

STANDARDS
     Setpgid() conforms to IEEE Std 1003.1-1988 (``POSIX'').

COMPATIBILITY
     Setpgrp() is identical to setpgid(), and is retained for calling conven-
     tion compatibility with historical versions of BSD.

4th Berkeley Distribution	 June 4, 1993				     1
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