add facility for managing realtime signals

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1688 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 44 insertions, 0 deletions

diff --git a/src/pulsecore/rtsig.h b/src/pulsecore/rtsig.h
new file mode 100644
index 00000000..48f5f050
--- /dev/null
+++ b/src/pulsecore/rtsig.h
@@ -0,0 +1,44 @@
+#ifndef foopulsertsighfoo
+#define foopulsertsighfoo
+
+/* $Id$ */
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#include <poll.h>
+#include <sys/types.h>
+
+/* Return the next unused POSIX Realtime signals */
+int pa_rtsig_get(void);
+
+/* If not called before in the current thread, return the next unused
+ * rtsig, and install it in a TLS region and give it up automatically
+ * when the thread shuts down */
+int pa_rtsig_get_for_thread(void);
+
+/* Give an rtsig back. */
+void pa_rtsig_put(int sig);
+
+/* Block all RT signals */
+void pa_rtsig_configure(int start, int end);
+
+#endif