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g_unix_signal_source_new: Allow SIGUSR1 and SIGUSR2

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These are user defined, it makes sense to allow watching them.  This
is needed to port gnome-session and gdm over.

https://bugzilla.gnome.org/show_bug.cgi?id=686898
This commit is contained in:
Colin Walters 2012-10-25 18:21:59 -04:00
parent 1775c46e7a
commit 36bf25371c
1 changed files with 11 additions and 6 deletions
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17
glib/glib-unix.c
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@ -181,11 +181,15 @@ g_unix_set_fd_nonblocking (gint fd,
* @signum: A signal number
*
* Create a #GSource that will be dispatched upon delivery of the UNIX
* signal @signum. Currently only <literal>SIGHUP</literal>,
* <literal>SIGINT</literal>, and <literal>SIGTERM</literal> can
* be monitored. Note that unlike the UNIX default, all sources which
* have created a watch will be dispatched, regardless of which
* underlying thread invoked g_unix_signal_source_new().
* signal @signum. In GLib versions before 2.36, only
* <literal>SIGHUP</literal>, <literal>SIGINT</literal>,
* <literal>SIGTERM</literal> can be monitored. In GLib 2.36,
* <literal>SIGUSR1</literal> and <literal>SIGUSR2</literal> were
* added.
*
* Note that unlike the UNIX default, all sources which have created a
* watch will be dispatched, regardless of which underlying thread
* invoked g_unix_signal_source_new().
*
* For example, an effective use of this function is to handle <literal>SIGTERM</literal>
* cleanly; flushing any outstanding files, and then calling
@ -209,7 +213,8 @@ g_unix_set_fd_nonblocking (gint fd,
GSource *
g_unix_signal_source_new (int signum)
{
g_return_val_if_fail (signum == SIGHUP || signum == SIGINT || signum == SIGTERM, NULL);
g_return_val_if_fail (signum == SIGHUP || signum == SIGINT || signum == SIGTERM ||
signum == SIGUSR1 || signum == SIGUSR2, NULL);
return _g_main_create_unix_signal_watch (signum);
}