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
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/sys/src/libc/9sys |
SEE ALSO
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intro(2), exec(2), cons(3), proc(3) |
DIAGNOSTICS
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Returns 0 and sets errstr if unsuccessful. |