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- #ifndef foomainloopsignalhfoo
- #define foomainloopsignalhfoo
- /***
- This file is part of PulseAudio.
- Copyright 2004-2008 Lennart Poettering
- Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
- 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
- General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
- ***/
- #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.
- */
- /** An opaque UNIX signal event source object */
- typedef struct pa_signal_event pa_signal_event;
- /** Callback prototype for signal events */
- typedef void (*pa_signal_cb_t) (pa_mainloop_api *api, pa_signal_event*e, int sig, void *userdata);
- /** Destroy callback prototype for signal events */
- typedef void (*pa_signal_destroy_cb_t) (pa_mainloop_api *api, pa_signal_event*e, void *userdata);
- /** 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);
- /** Create a new UNIX signal event source object */
- pa_signal_event* pa_signal_new(int sig, pa_signal_cb_t callback, 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, pa_signal_destroy_cb_t callback);
- PA_C_DECL_END
- #endif
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