---

36.6 Process, Group, and User IDs

: pgid = getpgrp () ¶

Return the process group id of the current process.

: pid = getpid () ¶

Return the process id of the current process.

See also: getppid.

: pid = getppid () ¶

Return the process id of the parent process.

See also: getpid.

: euid = geteuid () ¶

Return the effective user id of the current process.

See also: getuid.

: uid = getuid () ¶

Return the real user id of the current process.

See also: geteuid.

: egid = getegid () ¶

Return the effective group id of the current process.

See also: getgid.

: gid = getgid () ¶

Return the real group id of the current process.

See also: getegid.