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getpid(2)                   BSD System Calls Manual                  getpid(2)


NAME

     getpid, getppid -- get parent or calling process identification


SYNOPSIS

     #include <unistd.h>

     pid_t
     getpid(void);

     pid_t
     getppid(void);


DESCRIPTION

     Getpid() returns the process ID of the calling process.  The ID is guar-
     anteed to be unique and is useful for constructing temporary file names.

     Getppid() returns the process ID of the parent of the calling process.


ERRORS

     The getpid() and getppid() functions are always successful, and no return
     value is reserved to indicate an error.


LEGACY SYNOPSIS

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

     The include file <sys/types.h> is necessary.


SEE ALSO

     gethostid(2), compat(5)


STANDARDS

     Getpid() and getppid() conform to IEEE Std 1003.1-1988 (``POSIX.1'').

4th Berkeley Distribution        June 4, 1993        4th Berkeley Distribution

Mac OS X 10.9.1 - Generated Mon Jan 6 05:55:42 CST 2014
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