getppid(2) - Linux man page

Name

getpid, getppid - get process identification

Synopsis

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

pid_t getpid(void);
pid_t getppid(void);

Description

getpid() returns the process ID of the current process. (This is often used by routines that generate unique temporary filenames.)

getppid() returns the process ID of the parent of the current process.

Conforming to

POSIX.1-2001, 4.3BSD, SVr4

See Also

fork(2), kill(2), exec(3), mkstemp(3), tempnam(3), tmpfile(3), tmpnam(3)

Referenced By

awk(1), clone(2), credentials(7), pthreads(7), ptrace(2), syscalls(2)