From f44ba092651aa75055e109e04b4164ea92ae7fdc Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 19 Jun 2006 21:53:48 +0000 Subject: big s/polyp/pulse/g git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/polyp/glib-mainloop.c | 541 ---------------------------------------------- 1 file changed, 541 deletions(-) delete mode 100644 src/polyp/glib-mainloop.c (limited to 'src/polyp/glib-mainloop.c') diff --git a/src/polyp/glib-mainloop.c b/src/polyp/glib-mainloop.c deleted file mode 100644 index d5fce767..00000000 --- a/src/polyp/glib-mainloop.c +++ /dev/null @@ -1,541 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio 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. - - polypaudio 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 polypaudio; 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 - -#include "glib.h" -#include "glib-mainloop.h" - -struct pa_io_event { - pa_glib_mainloop *mainloop; - int dead; - GIOChannel *io_channel; - GSource *source; - GIOCondition io_condition; - int fd; - void (*callback) (pa_mainloop_api*m, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata); - void *userdata; - void (*destroy_callback) (pa_mainloop_api *m, pa_io_event *e, void *userdata); - pa_io_event *next, *prev; -}; - -struct pa_time_event { - pa_glib_mainloop *mainloop; - int dead; - GSource *source; - struct timeval timeval; - void (*callback) (pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata); - void *userdata; - void (*destroy_callback) (pa_mainloop_api *m, pa_time_event*e, void *userdata); - pa_time_event *next, *prev; -}; - -struct pa_defer_event { - pa_glib_mainloop *mainloop; - int dead; - GSource *source; - void (*callback) (pa_mainloop_api*m, pa_defer_event *e, void *userdata); - void *userdata; - void (*destroy_callback) (pa_mainloop_api *m, pa_defer_event*e, void *userdata); - pa_defer_event *next, *prev; -}; - -struct pa_glib_mainloop { - GMainContext *glib_main_context; - pa_mainloop_api api; - GSource *cleanup_source; - pa_io_event *io_events, *dead_io_events; - pa_time_event *time_events, *dead_time_events; - pa_defer_event *defer_events, *dead_defer_events; -}; - -static void schedule_free_dead_events(pa_glib_mainloop *g); - -static void glib_io_enable(pa_io_event*e, pa_io_event_flags_t f); - -static pa_io_event* glib_io_new(pa_mainloop_api*m, int fd, pa_io_event_flags_t f, void (*callback) (pa_mainloop_api*m, pa_io_event*e, int fd, pa_io_event_flags_t f, void *userdata), void *userdata) { - pa_io_event *e; - pa_glib_mainloop *g; - - assert(m && m->userdata && fd >= 0 && callback); - g = m->userdata; - - e = pa_xmalloc(sizeof(pa_io_event)); - e->mainloop = m->userdata; - e->dead = 0; - e->fd = fd; - e->callback = callback; - e->userdata = userdata; - e->destroy_callback = NULL; - - e->io_channel = g_io_channel_unix_new(e->fd); - assert(e->io_channel); - e->source = NULL; - e->io_condition = 0; - - glib_io_enable(e, f); - - e->next = g->io_events; - if (e->next) e->next->prev = e; - g->io_events = e; - e->prev = NULL; - - return e; -} - -/* The callback GLIB calls whenever an IO condition is met */ -static gboolean io_cb(GIOChannel *source, GIOCondition condition, gpointer data) { - pa_io_event *e = data; - pa_io_event_flags_t f; - assert(source && e && e->io_channel == source); - - f = (condition & G_IO_IN ? PA_IO_EVENT_INPUT : 0) | - (condition & G_IO_OUT ? PA_IO_EVENT_OUTPUT : 0) | - (condition & G_IO_ERR ? PA_IO_EVENT_ERROR : 0) | - (condition & G_IO_HUP ? PA_IO_EVENT_HANGUP : 0); - - e->callback(&e->mainloop->api, e, e->fd, f, e->userdata); - return TRUE; -} - -static void glib_io_enable(pa_io_event*e, pa_io_event_flags_t f) { - GIOCondition c; - assert(e && !e->dead); - - c = (f & PA_IO_EVENT_INPUT ? G_IO_IN : 0) | (f & PA_IO_EVENT_OUTPUT ? G_IO_OUT : 0); - - if (c == e->io_condition) - return; - - if (e->source) { - g_source_destroy(e->source); - g_source_unref(e->source); - } - - e->source = g_io_create_watch(e->io_channel, c | G_IO_ERR | G_IO_HUP); - assert(e->source); - - g_source_set_callback(e->source, (GSourceFunc) io_cb, e, NULL); - g_source_attach(e->source, e->mainloop->glib_main_context); - g_source_set_priority(e->source, G_PRIORITY_DEFAULT); - - e->io_condition = c; -} - -static void glib_io_free(pa_io_event*e) { - assert(e && !e->dead); - - if (e->source) { - g_source_destroy(e->source); - g_source_unref(e->source); - e->source = NULL; - } - - if (e->prev) - e->prev->next = e->next; - else - e->mainloop->io_events = e->next; - - if (e->next) - e->next->prev = e->prev; - - if ((e->next = e->mainloop->dead_io_events)) - e->next->prev = e; - - e->mainloop->dead_io_events = e; - e->prev = NULL; - - e->dead = 1; - schedule_free_dead_events(e->mainloop); -} - -static void glib_io_set_destroy(pa_io_event*e, void (*callback)(pa_mainloop_api*m, pa_io_event *e, void *userdata)) { - assert(e); - e->destroy_callback = callback; -} - -/* Time sources */ - -static void glib_time_restart(pa_time_event*e, const struct timeval *tv); - -static pa_time_event* glib_time_new(pa_mainloop_api*m, const struct timeval *tv, void (*callback) (pa_mainloop_api*m, pa_time_event*e, const struct timeval *tv, void *userdata), void *userdata) { - pa_glib_mainloop *g; - pa_time_event *e; - - assert(m && m->userdata && tv && callback); - g = m->userdata; - - e = pa_xmalloc(sizeof(pa_time_event)); - e->mainloop = g; - e->dead = 0; - e->callback = callback; - e->userdata = userdata; - e->destroy_callback = NULL; - e->source = NULL; - - glib_time_restart(e, tv); - - e->next = g->time_events; - if (e->next) e->next->prev = e; - g->time_events = e; - e->prev = NULL; - - return e; -} - -static guint msec_diff(const struct timeval *a, const struct timeval *b) { - guint r; - assert(a && b); - - if (a->tv_sec < b->tv_sec) - return 0; - - if (a->tv_sec == b->tv_sec && a->tv_sec <= b->tv_sec) - return 0; - - r = (a->tv_sec-b->tv_sec)*1000; - - if (a->tv_usec >= b->tv_usec) - r += (a->tv_usec - b->tv_usec) / 1000; - else - r -= (b->tv_usec - a->tv_usec) / 1000; - - return r; -} - -static gboolean time_cb(gpointer data) { - pa_time_event* e = data; - assert(e && e->mainloop && e->source); - - g_source_unref(e->source); - e->source = NULL; - - e->callback(&e->mainloop->api, e, &e->timeval, e->userdata); - return FALSE; -} - -static void glib_time_restart(pa_time_event*e, const struct timeval *tv) { - struct timeval now; - assert(e && e->mainloop && !e->dead); - - pa_gettimeofday(&now); - if (e->source) { - g_source_destroy(e->source); - g_source_unref(e->source); - } - - if (tv) { - e->timeval = *tv; - e->source = g_timeout_source_new(msec_diff(tv, &now)); - assert(e->source); - g_source_set_callback(e->source, time_cb, e, NULL); - g_source_set_priority(e->source, G_PRIORITY_DEFAULT); - g_source_attach(e->source, e->mainloop->glib_main_context); - } else - e->source = NULL; - } - -static void glib_time_free(pa_time_event *e) { - assert(e && e->mainloop && !e->dead); - - if (e->source) { - g_source_destroy(e->source); - g_source_unref(e->source); - e->source = NULL; - } - - if (e->prev) - e->prev->next = e->next; - else - e->mainloop->time_events = e->next; - - if (e->next) - e->next->prev = e->prev; - - if ((e->next = e->mainloop->dead_time_events)) - e->next->prev = e; - - e->mainloop->dead_time_events = e; - e->prev = NULL; - - e->dead = 1; - schedule_free_dead_events(e->mainloop); -} - -static void glib_time_set_destroy(pa_time_event *e, void (*callback)(pa_mainloop_api*m, pa_time_event*e, void *userdata)) { - assert(e); - e->destroy_callback = callback; -} - -/* Deferred sources */ - -static void glib_defer_enable(pa_defer_event *e, int b); - -static pa_defer_event* glib_defer_new(pa_mainloop_api*m, void (*callback) (pa_mainloop_api*m, pa_defer_event *e, void *userdata), void *userdata) { - pa_defer_event *e; - pa_glib_mainloop *g; - - assert(m && m->userdata && callback); - g = m->userdata; - - e = pa_xmalloc(sizeof(pa_defer_event)); - e->mainloop = g; - e->dead = 0; - e->callback = callback; - e->userdata = userdata; - e->destroy_callback = NULL; - e->source = NULL; - - glib_defer_enable(e, 1); - - e->next = g->defer_events; - if (e->next) e->next->prev = e; - g->defer_events = e; - e->prev = NULL; - return e; -} - -static gboolean idle_cb(gpointer data) { - pa_defer_event* e = data; - assert(e && e->mainloop && e->source); - - e->callback(&e->mainloop->api, e, e->userdata); - return TRUE; -} - -static void glib_defer_enable(pa_defer_event *e, int b) { - assert(e && e->mainloop); - - if (e->source && !b) { - g_source_destroy(e->source); - g_source_unref(e->source); - e->source = NULL; - } else if (!e->source && b) { - e->source = g_idle_source_new(); - assert(e->source); - g_source_set_callback(e->source, idle_cb, e, NULL); - g_source_attach(e->source, e->mainloop->glib_main_context); - g_source_set_priority(e->source, G_PRIORITY_HIGH); - } -} - -static void glib_defer_free(pa_defer_event *e) { - assert(e && e->mainloop && !e->dead); - - if (e->source) { - g_source_destroy(e->source); - g_source_unref(e->source); - e->source = NULL; - } - - if (e->prev) - e->prev->next = e->next; - else - e->mainloop->defer_events = e->next; - - if (e->next) - e->next->prev = e->prev; - - if ((e->next = e->mainloop->dead_defer_events)) - e->next->prev = e; - - e->mainloop->dead_defer_events = e; - e->prev = NULL; - - e->dead = 1; - schedule_free_dead_events(e->mainloop); -} - -static void glib_defer_set_destroy(pa_defer_event *e, void (*callback)(pa_mainloop_api *m, pa_defer_event *e, void *userdata)) { - assert(e); - e->destroy_callback = callback; -} - -/* quit() */ - -static void glib_quit(pa_mainloop_api*a, PA_GCC_UNUSED int retval) { - pa_glib_mainloop *g; - assert(a && a->userdata); - g = a->userdata; - - /* NOOP */ -} - -static const pa_mainloop_api vtable = { - .userdata = NULL, - - .io_new = glib_io_new, - .io_enable = glib_io_enable, - .io_free = glib_io_free, - .io_set_destroy= glib_io_set_destroy, - - .time_new = glib_time_new, - .time_restart = glib_time_restart, - .time_free = glib_time_free, - .time_set_destroy = glib_time_set_destroy, - - .defer_new = glib_defer_new, - .defer_enable = glib_defer_enable, - .defer_free = glib_defer_free, - .defer_set_destroy = glib_defer_set_destroy, - - .quit = glib_quit, -}; - -pa_glib_mainloop *pa_glib_mainloop_new(GMainContext *c) { - pa_glib_mainloop *g; - - g = pa_xmalloc(sizeof(pa_glib_mainloop)); - if (c) { - g->glib_main_context = c; - g_main_context_ref(c); - } else - g->glib_main_context = g_main_context_default(); - - g->api = vtable; - g->api.userdata = g; - - g->io_events = g->dead_io_events = NULL; - g->time_events = g->dead_time_events = NULL; - g->defer_events = g->dead_defer_events = NULL; - - g->cleanup_source = NULL; - return g; -} - -static void free_io_events(pa_io_event *e) { - while (e) { - pa_io_event *r = e; - e = r->next; - - if (r->source) { - g_source_destroy(r->source); - g_source_unref(r->source); - } - - if (r->io_channel) - g_io_channel_unref(r->io_channel); - - if (r->destroy_callback) - r->destroy_callback(&r->mainloop->api, r, r->userdata); - - pa_xfree(r); - } -} - -static void free_time_events(pa_time_event *e) { - while (e) { - pa_time_event *r = e; - e = r->next; - - if (r->source) { - g_source_destroy(r->source); - g_source_unref(r->source); - } - - if (r->destroy_callback) - r->destroy_callback(&r->mainloop->api, r, r->userdata); - - pa_xfree(r); - } -} - -static void free_defer_events(pa_defer_event *e) { - while (e) { - pa_defer_event *r = e; - e = r->next; - - if (r->source) { - g_source_destroy(r->source); - g_source_unref(r->source); - } - - if (r->destroy_callback) - r->destroy_callback(&r->mainloop->api, r, r->userdata); - - pa_xfree(r); - } -} - -void pa_glib_mainloop_free(pa_glib_mainloop* g) { - assert(g); - - free_io_events(g->io_events); - free_io_events(g->dead_io_events); - free_defer_events(g->defer_events); - free_defer_events(g->dead_defer_events); - free_time_events(g->time_events); - free_time_events(g->dead_time_events); - - if (g->cleanup_source) { - g_source_destroy(g->cleanup_source); - g_source_unref(g->cleanup_source); - } - - g_main_context_unref(g->glib_main_context); - pa_xfree(g); -} - -pa_mainloop_api* pa_glib_mainloop_get_api(pa_glib_mainloop *g) { - assert(g); - return &g->api; -} - -static gboolean free_dead_events(gpointer p) { - pa_glib_mainloop *g = p; - assert(g); - - free_io_events(g->dead_io_events); - free_defer_events(g->dead_defer_events); - free_time_events(g->dead_time_events); - - g->dead_io_events = NULL; - g->dead_defer_events = NULL; - g->dead_time_events = NULL; - - g_source_destroy(g->cleanup_source); - g_source_unref(g->cleanup_source); - g->cleanup_source = NULL; - - return FALSE; -} - -static void schedule_free_dead_events(pa_glib_mainloop *g) { - assert(g && g->glib_main_context); - - if (g->cleanup_source) - return; - - g->cleanup_source = g_idle_source_new(); - assert(g->cleanup_source); - g_source_set_callback(g->cleanup_source, free_dead_events, g, NULL); - g_source_attach(g->cleanup_source, g->glib_main_context); -} -- cgit