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-rw-r--r--src/pulse/mainloop-signal.h59
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diff --git a/src/pulse/mainloop-signal.h b/src/pulse/mainloop-signal.h
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+++ b/src/pulse/mainloop-signal.h
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+#ifndef foomainloopsignalhfoo
+#define foomainloopsignalhfoo
+
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ 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 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
+ 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 <pulse/mainloop-api.h>
+#include <pulse/cdecl.h>
+
+PA_C_DECL_BEGIN
+
+/** \file
+ * UNIX signal support for main loops. In contrast to other
+ * main loop event sources such as timer and IO events, UNIX signal
+ * support requires modification of the global process
+ * environment. Due to this the generic main loop abstraction layer as
+ * defined in \ref mainloop-api.h doesn't have direct support for UNIX
+ * signals. However, you may hook signal support into an abstract main loop via the routines defined herein.
+ */
+
+/** Initialize the UNIX signal subsystem and bind it to the specified main loop */
+int pa_signal_init(pa_mainloop_api *api);
+
+/** Cleanup the signal subsystem */
+void pa_signal_done(void);
+
+/** An opaque UNIX signal event source object */
+typedef struct pa_signal_event pa_signal_event;
+
+/** Create a new UNIX signal event source object */
+pa_signal_event* pa_signal_new(int sig, void (*callback) (pa_mainloop_api *api, pa_signal_event*e, int sig, void *userdata), void *userdata);
+
+/** Free a UNIX signal event source object */
+void pa_signal_free(pa_signal_event *e);
+
+/** Set a function that is called when the signal event source is destroyed. Use this to free the userdata argument if required */
+void pa_signal_set_destroy(pa_signal_event *e, void (*callback) (pa_mainloop_api *api, pa_signal_event*e, void *userdata));
+
+PA_C_DECL_END
+
+#endif