Originální popis anglicky:
getpgrp - get the process group ID of the calling process
Návod, kniha: POSIX Programmer's Manual
#include <unistd.h>
pid_t getpgrp(void);
The
getpgrp() function shall return the process group ID of the calling
process.
The
getpgrp() function shall always be successful and no return value is
reserved to indicate an error.
No errors are defined.
The following sections are informative.
None.
None.
4.3 BSD provides a
getpgrp() function that returns the process group ID
for a specified process. Although this function supports job control, all
known job control shells always specify the calling process with this
function. Thus, the simpler System V
getpgrp() suffices, and the added
complexity of the 4.3 BSD
getpgrp() is provided by the XSI extension
getpgid().
None.
exec() ,
fork() ,
getpgid() ,
getpid() ,
getppid() ,
kill() ,
setpgid() ,
setsid() , the
Base Definitions volume of IEEE Std 1003.1-2001,
<sys/types.h>,
<unistd.h>
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
.
