64 lines
2.4 KiB
C++
64 lines
2.4 KiB
C++
#ifndef foomainloopsignalhfoo
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#define foomainloopsignalhfoo
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/***
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This file is part of PulseAudio.
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Copyright 2004-2008 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#include <pulse/mainloop-api.h>
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#include <pulse/cdecl.h>
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PA_C_DECL_BEGIN
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/** \file
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* UNIX signal support for main loops. In contrast to other
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* main loop event sources such as timer and IO events, UNIX signal
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* support requires modification of the global process
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* environment. Due to this the generic main loop abstraction layer as
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* defined in \ref mainloop-api.h doesn't have direct support for UNIX
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* signals. However, you may hook signal support into an abstract main loop via the routines defined herein.
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*/
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/** An opaque UNIX signal event source object */
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typedef struct pa_signal_event pa_signal_event;
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/** Callback prototype for signal events */
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typedef void (*pa_signal_cb_t) (pa_mainloop_api *api, pa_signal_event*e, int sig, void *userdata);
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/** Destroy callback prototype for signal events */
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typedef void (*pa_signal_destroy_cb_t) (pa_mainloop_api *api, pa_signal_event*e, void *userdata);
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/** Initialize the UNIX signal subsystem and bind it to the specified main loop */
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int pa_signal_init(pa_mainloop_api *api);
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/** Cleanup the signal subsystem */
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void pa_signal_done(void);
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/** Create a new UNIX signal event source object */
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pa_signal_event* pa_signal_new(int sig, pa_signal_cb_t callback, void *userdata);
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/** Free a UNIX signal event source object */
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void pa_signal_free(pa_signal_event *e);
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/** Set a function that is called when the signal event source is destroyed. Use this to free the userdata argument if required */
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void pa_signal_set_destroy(pa_signal_event *e, pa_signal_destroy_cb_t callback);
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PA_C_DECL_END
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#endif
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