OpenBSD manual page server

Manual Page Search Parameters

GETPID(2) System Calls Manual GETPID(2)

getpid, getppidget parent or calling process identification

library “libc”

#include <unistd.h>

pid_t
getpid(void);

pid_t
getppid(void);

getpid() returns the process ID of the calling process. The ID is guaranteed to be unique and is useful for constructing temporary file names.

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

The getpid() and getppid() functions are always successful, and no return value is reserved to indicate an error.

gethostid(3)

getpid() and getppid() conform to IEEE Std 1003.1-1990 (“POSIX.1”).

The getpid() function appeared in Version 5 AT&T UNIX.

April 3, 2010 NetBSD-7.0.1