#ifndef foomainloopapihfoo #define foomainloopapihfoo /*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering Copyright 2006 Pierre Ossman <[email protected]> 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 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, see <http://www.gnu.org/licenses/>. ***/ #include <sys/time.h> #include <pulse/cdecl.h> #include <pulse/version.h> /** \file * * Main loop abstraction layer. Both the PulseAudio core and the * PulseAudio client library use a main loop abstraction layer. Due to * this it is possible to embed PulseAudio into other * applications easily. Two main loop implementations are * currently available: * \li A minimal implementation based on the C library's poll() function (See \ref mainloop.h) * \li A wrapper around the GLIB main loop. Use this to embed PulseAudio into your GLIB/GTK+/GNOME programs (See \ref glib-mainloop.h) * * The structure pa_mainloop_api is used as vtable for the main loop abstraction. * * This mainloop abstraction layer has no direct support for UNIX signals. Generic, mainloop implementation agnostic support is available through \ref mainloop-signal.h. * */ PA_C_DECL_BEGIN /** An abstract mainloop API vtable */ pa_mainloop_api; /** A bitmask for IO events */ pa_io_event_flags_t; /** An opaque IO event source object */ pa_io_event; /** An IO event callback prototype \since 0.9.3 */ pa_io_event_cb_t; /** A IO event destroy callback prototype \since 0.9.3 */ pa_io_event_destroy_cb_t; /** An opaque timer event source object */ pa_time_event; /** A time event callback prototype \since 0.9.3 */ pa_time_event_cb_t; /** A time event destroy callback prototype \since 0.9.3 */ pa_time_event_destroy_cb_t; /** An opaque deferred event source object. Events of this type are triggered once in every main loop iteration */ pa_defer_event; /** A defer event callback prototype \since 0.9.3 */ pa_defer_event_cb_t; /** A defer event destroy callback prototype \since 0.9.3 */ pa_defer_event_destroy_cb_t; /** An abstract mainloop API vtable */ struct pa_mainloop_api { … }; /** Run the specified callback function once from the main loop using an * anonymous defer event. If the mainloop runs in a different thread, you need * to follow the mainloop implementation's rules regarding how to safely create * defer events. In particular, if you're using \ref pa_threaded_mainloop, you * must lock the mainloop before calling this function. */ void pa_mainloop_api_once(pa_mainloop_api*m, void (*callback)(pa_mainloop_api*m, void *userdata), void *userdata); PA_C_DECL_END #endif