From a67c21f093202f142438689d3f7cfbdf4ea82eea Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 28 Oct 2007 19:13:50 +0000 Subject: merge 'lennart' branch back into trunk. git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/pulsecore/anotify.c | 145 ------------------------------------------------ 1 file changed, 145 deletions(-) delete mode 100644 src/pulsecore/anotify.c (limited to 'src/pulsecore/anotify.c') diff --git a/src/pulsecore/anotify.c b/src/pulsecore/anotify.c deleted file mode 100644 index 25c5fe7d..00000000 --- a/src/pulsecore/anotify.c +++ /dev/null @@ -1,145 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of PulseAudio. - - Copyright 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. -***/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include - -#include - -#include "anotify.h" - -#define EVENTS_MAX 16 - -struct pa_anotify { - pa_mainloop_api *api; - pa_anotify_cb_t callback; - void *userdata; - int fds[2]; - pa_io_event *io_event; - pa_defer_event *defer_event; - - uint8_t queued_events[EVENTS_MAX]; - unsigned n_queued_events, queue_index; -}; - -static void dispatch_event(pa_anotify *a) { - assert(a); - assert(a->queue_index < a->n_queued_events); - - a->callback(a->queued_events[a->queue_index++], a->userdata); - - if (a->queue_index >= a->n_queued_events) { - a->n_queued_events = 0; - a->queue_index = 0; - - a->api->io_enable(a->io_event, PA_IO_EVENT_INPUT); - a->api->defer_enable(a->defer_event, 0); - } else { - a->api->io_enable(a->io_event, 0); - a->api->defer_enable(a->defer_event, 1); - } -} - -static void io_callback( - pa_mainloop_api *api, - pa_io_event *e, - int fd, - pa_io_event_flags_t events, - void *userdata) { - - pa_anotify *a = userdata; - ssize_t r; - - assert(a); - assert(events == PA_IO_EVENT_INPUT); - assert(a->n_queued_events == 0); - - r = read(fd, a->queued_events, sizeof(a->queued_events)); - assert(r > 0); - - a->n_queued_events = (unsigned) r; - a->queue_index = 0; - - /* Only dispatch a single event */ - dispatch_event(a); -} - -static void defer_callback(pa_mainloop_api *api, pa_defer_event *e, void *userdata) { - pa_anotify *a = userdata; - assert(a); - - dispatch_event(a); -} - -pa_anotify *pa_anotify_new(pa_mainloop_api*api, pa_anotify_cb_t cb, void *userdata) { - pa_anotify *a; - - assert(api); - assert(cb); - - a = pa_xnew(pa_anotify, 1); - - if (pipe(a->fds) < 0) { - pa_xfree(a); - return NULL; - } - - a->api = api; - a->callback = cb; - a->userdata = userdata; - - a->io_event = api->io_new(api, a->fds[0], PA_IO_EVENT_INPUT, io_callback, a); - a->defer_event = api->defer_new(api, defer_callback, a); - a->api->defer_enable(a->defer_event, 0); - - a->n_queued_events = 0; - - return a; -} - -void pa_anotify_free(pa_anotify *a) { - assert(a); - - a->api->io_free(a->io_event); - a->api->defer_free(a->defer_event); - - if (a->fds[0] >= 0) - close(a->fds[0]); - if (a->fds[1] >= 0) - close(a->fds[1]); - - pa_xfree(a); -} - -int pa_anotify_signal(pa_anotify *a, uint8_t event) { - ssize_t r; - assert(a); - - r = write(a->fds[1], &event, 1); - return r != 1 ? -1 : 0; -} -- cgit