term% cat index.txt 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)