Plan 9 /sys/man/2/getpid

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), exec(2), cons(3), proc(3)


	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.


	Returns 0 and sets errstr if unsuccessful.