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Linux 2.6 - man page for setpgrp (linux section 3posix)

SETPGRP(P)			    POSIX Programmer's Manual			       SETPGRP(P)

NAME
       setpgrp - set the process group ID

SYNOPSIS
       #include <unistd.h>

       pid_t setpgrp(void);

DESCRIPTION
       If  the	calling process is not already a session leader, setpgrp() sets the process group
       ID of the calling process to the process ID of the calling process. If setpgrp() creates a
       new session, then the new session has no controlling terminal.

       The setpgrp() function has no effect when the calling process is a session leader.

RETURN VALUE
       Upon completion, setpgrp() shall return the process group ID.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       exec()  ,  fork() , getpid() , getsid() , kill() , setpgid() , setsid() , the Base Defini-
       tions volume of IEEE Std 1003.1-2001, <unistd.h>

COPYRIGHT
       Portions of this text are reprinted and	reproduced  in	electronic  form  from	IEEE  Std
       1003.1,	2003  Edition,	Standard  for Information Technology -- Portable Operating System
       Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003  by
       the  Institute  of  Electrical  and  Electronics Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE  and  The  Open  Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				       SETPGRP(P)


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