This package provides platform-neutral interfaces to block your
system from entering idle sleep and a hook to process pre-sleep
and post-wake events.
Implementations are for D-Bus on GNU/Linux, macOS/GNUstep, and
MS-Windows.
* lisp/system-sleep.el: New package.
* src/fns.c: Qpre_sleep, Qpost_wake: New DEFSYM.
* src/nsfns.m (Fns_block_system_sleep, Fns_unblock_system_sleep)
(syms_of_nsfns): New functions.
* src/nsterm.m (applicationDidFinishLaunching): Subscribe to
pre-sleep and post-wake notifications.
(systemWillSleep, systemDidWake): New function.
* src/w32fns.c (Fw32_block_system_sleep)
(Fw32_unblock_system_sleep, Fw32_system_sleep_block_count)
(sleep_notification_callback)
(w32_register_for_sleep_notifications): New function.
(syms_of_w32fns): Sw32_unblock_system_sleep
Sw32_block_system_sleep Sw32_system_sleep_block_count: New
defsubr.
* src/w32term.h (Fw32_block_system_sleep): New extern.
* src/w32term.c (w32_initialize): Call
w32_register_for_sleep_notifications.
* doc/lispref/os.texi: Document the system-sleep package.
* doc/lispref/commands.texi: Update sleep-event special
documentation.
* etc/NEWS: Announce the new package.
This directory contains the architecture-independent files used by or
with Emacs. This includes some text files of documentation for GNU
Emacs or of interest to Emacs users, and the file of dumped docstrings
for Emacs functions and variables.
COPYRIGHT AND LICENSE INFORMATION FOR IMAGE FILES
File: emacs.icon
Author: Sun Microsystems, Inc
Copyright (C) 1999, 2001-2026 Free Software Foundation, Inc.
License: GNU General Public License version 3 or later (see COPYING)