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sd_notify (systemd status notifications) support

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sd_notify() is used to notify systemd of changes to the status of the
process. This allows the systemd daemon to know when the process
finished loading (and thus only start another program after Asterisk has
finished loading).

To use this, use a systemd unit with 'Type=notify' for Asterisk.

This commit also adds the function ast_sd_notify(), a wrapper around
sd_notify that does nothing if not built with systemd support.

Also adds support for libsystemd detection in the configure script.

Change-Id: Ied6a59dafd5ef331c5c7ae8f3ccd2dfc94be7811
This commit is contained in:
Tzafrir Cohen
2016-06-27 21:26:54 +02:00
parent 95cf4f8d31
commit 07b95f7c65
10 changed files with 163 additions and 6 deletions
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4
main/asterisk.c
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@@ -1999,6 +1999,9 @@ static void really_quit(int num, shutdown_nice_t niceness, int restart)
ast_module_shutdown();
}
if (!restart) {
ast_sd_notify("STOPPING=1");
}
if (ast_opt_console || (ast_opt_remote && !ast_opt_exec)) {
ast_el_write_default_histfile();
if (consolethread == AST_PTHREADT_NULL || consolethread == pthread_self()) {
@@ -4526,6 +4529,7 @@ static void asterisk_daemon(int isroot, const char *runuser, const char *rungrou
ast_register_cleanup(main_atexit);
run_startup_commands();
ast_sd_notify("READY=1");
ast_verb(0, COLORIZE_FMT "\n", COLORIZE(COLOR_BRGREEN, 0, "Asterisk Ready."));