1GETPPID(3P)                POSIX Programmer's Manual               GETPPID(3P)
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PROLOG

6       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
7       implementation of this interface may differ (consult the  corresponding
8       Linux  manual page for details of Linux behavior), or the interface may
9       not be implemented on Linux.
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NAME

13       getppid — get the parent process ID
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SYNOPSIS

16       #include <unistd.h>
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18       pid_t getppid(void);
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DESCRIPTION

21       The getppid() function shall return the parent process ID of the  call‐
22       ing process.
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RETURN VALUE

25       The  getppid()  function shall always be successful and no return value
26       is reserved to indicate an error.
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ERRORS

29       No errors are defined.
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31       The following sections are informative.
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EXAMPLES

34       None.
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APPLICATION USAGE

37       None.
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RATIONALE

40       None.
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FUTURE DIRECTIONS

43       None.
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SEE ALSO

46       exec, fork(), getpgid(), getpgrp(), getpid(), kill(),  setpgid(),  set‐
47       sid()
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49       The Base Definitions volume of POSIX.1‐2008, <sys_types.h>, <unistd.h>
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52       Portions  of  this text are reprinted and reproduced in electronic form
53       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
54       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
55       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
56       cal  and  Electronics  Engineers,  Inc  and  The  Open Group.  (This is
57       POSIX.1-2008 with the 2013 Technical Corrigendum  1  applied.)  In  the
58       event of any discrepancy between this version and the original IEEE and
59       The Open Group Standard, the original IEEE and The Open Group  Standard
60       is  the  referee document. The original Standard can be obtained online
61       at http://www.unix.org/online.html .
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63       Any typographical or formatting errors that appear  in  this  page  are
64       most likely to have been introduced during the conversion of the source
65       files to man page format. To report such errors,  see  https://www.ker‐
66       nel.org/doc/man-pages/reporting_bugs.html .
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70IEEE/The Open Group                  2013                          GETPPID(3P)
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