plan9 man page for getpid

GETPID(2)							System Calls Manual							 GETPID(2)

NAME
       getpid, getppid - get process ids

SYNOPSIS
       #include <u.h>
       #include <libc.h>

       int getpid(void)

       int getppid(void)

DESCRIPTION
       Getpid  reads  /dev/pid	(see cons(3)) and converts it to get the process id of the current process, a number guaranteed to be unique among
       all running processes on the machine executing getpid.

       Getppid reads /dev/ppid (see cons(3)) and converts it to get the id of the parent of the current process.

SOURCE
       /sys/src/libc/9sys

SEE ALSO
       intro(2), cons(3), proc(3)

DIAGNOSTICS
       Returns 0 and sets errstr if unsuccessful.

																	 GETPID(2)