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SETPGRP

SETPGRP

Section: POSIX Programmer's Manual (P) Updated: 2003
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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 Definitions 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 original Standard can be obtained online at http://www.opengroup.org/unix/online.html .


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
EXAMPLES
APPLICATION USAGE
RATIONALE
FUTURE DIRECTIONS
SEE ALSO
COPYRIGHT

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Time: 21:55:02 GMT, April 16, 2011