From a8c3a596c22764463b674a21eb3b2e869b21e42f Mon Sep 17 00:00:00 2001 From: Jason Rumney Date: Sun, 3 Sep 2006 22:51:22 +0000 Subject: [PATCH] (shutdown_handler): New function to exit cleanly on shutdown. (globals_of_w32): Register it as a signal handler. --- src/w32.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/src/w32.c b/src/w32.c index 0da908ff93..cbc78f8a5d 100644 --- a/src/w32.c +++ b/src/w32.c @@ -4112,6 +4112,25 @@ init_ntproc () check_windows_init_file (); } +/* + shutdown_handler ensures that buffers' autosave files are + up to date when the user logs off, or the system shuts down. +*/ +BOOL WINAPI shutdown_handler(DWORD type) +{ + /* Ctrl-C and Ctrl-Break are already suppressed, so don't handle them. */ + if (type == CTRL_CLOSE_EVENT /* User closes console window. */ + || type == CTRL_LOGOFF_EVENT /* User logs off. */ + || type == CTRL_SHUTDOWN_EVENT) /* User shutsdown. */ + { + /* Shut down cleanly, making sure autosave files are up to date. */ + shut_down_emacs (0, 0, Qnil); + } + + /* Allow other handlers to handle this signal. */ + return FALSE; +} + /* globals_of_w32 is used to initialize those global variables that must always be initialized on startup even when the global variable @@ -4124,6 +4143,11 @@ void globals_of_w32 () g_b_init_get_token_information = 0; g_b_init_lookup_account_sid = 0; g_b_init_get_sid_identifier_authority = 0; + /* The following sets a handler for shutdown notifications for + console apps. This actually applies to Emacs in both console and + GUI modes, since we had to fool windows into thinking emacs is a + console application to get console mode to work. */ + SetConsoleCtrlHandler(shutdown_handler, TRUE); } /* end of nt.c */ -- 2.20.1