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<posix_setrlimitposix_setuid>
^POSIX FunctionsLast updated: Mon, 26 Oct 2026

posix_setsid

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_setsid — Make the current process a session leader

Description

function posix_setsid(): int

Make the current process a session leader.

Parameters

This function has no parameters.

Return Values

Returns the session id, or -1 on errors.

See Also

  • The POSIX.1 and the setsid(2) manual page on the POSIX system for more information on process groups and job control.


<posix_setrlimitposix_setuid>
^POSIX FunctionsLast updated: Mon, 26 Oct 2026