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 of the License,
+ 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
#include <pulsecore/pipe.h>
#endif
+#include <pulse/i18n.h>
+#include <pulse/rtclock.h>
#include <pulse/timeval.h>
#include <pulse/xmalloc.h>
+#include <pulsecore/core-rtclock.h>
#include <pulsecore/core-util.h>
#include <pulsecore/llist.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include "mainloop.h"
+#include "internal.h"
struct pa_io_event {
pa_mainloop *mainloop;
- int dead;
+ pa_bool_t dead:1;
int fd;
pa_io_event_flags_t events;
struct pa_time_event {
pa_mainloop *mainloop;
- int dead;
+ pa_bool_t dead:1;
- int enabled;
- struct timeval timeval;
+ pa_bool_t enabled:1;
+ pa_usec_t time;
pa_time_event_cb_t callback;
void *userdata;
struct pa_defer_event {
pa_mainloop *mainloop;
- int dead;
+ pa_bool_t dead:1;
- int enabled;
+ pa_bool_t enabled:1;
pa_defer_event_cb_t callback;
void *userdata;
PA_LLIST_HEAD(pa_time_event, time_events);
PA_LLIST_HEAD(pa_defer_event, defer_events);
- int n_enabled_defer_events, n_enabled_time_events, n_io_events;
- int io_events_please_scan, time_events_please_scan, defer_events_please_scan;
+ unsigned n_enabled_defer_events, n_enabled_time_events, n_io_events;
+ unsigned io_events_please_scan, time_events_please_scan, defer_events_please_scan;
+ pa_bool_t rebuild_pollfds:1;
struct pollfd *pollfds;
unsigned max_pollfds, n_pollfds;
- int rebuild_pollfds;
int prepared_timeout;
pa_time_event *cached_next_time_event;
- int quit, retval;
pa_mainloop_api api;
+ int retval;
+ pa_bool_t quit:1;
+
+ pa_bool_t wakeup_requested:1;
int wakeup_pipe[2];
int wakeup_pipe_type;
- int wakeup_requested;
enum {
STATE_PASSIVE,
};
static short map_flags_to_libc(pa_io_event_flags_t flags) {
- return
- (flags & PA_IO_EVENT_INPUT ? POLLIN : 0) |
- (flags & PA_IO_EVENT_OUTPUT ? POLLOUT : 0) |
- (flags & PA_IO_EVENT_ERROR ? POLLERR : 0) |
- (flags & PA_IO_EVENT_HANGUP ? POLLHUP : 0);
+ return (short)
+ ((flags & PA_IO_EVENT_INPUT ? POLLIN : 0) |
+ (flags & PA_IO_EVENT_OUTPUT ? POLLOUT : 0) |
+ (flags & PA_IO_EVENT_ERROR ? POLLERR : 0) |
+ (flags & PA_IO_EVENT_HANGUP ? POLLHUP : 0));
}
static pa_io_event_flags_t map_flags_from_libc(short flags) {
e = pa_xnew(pa_io_event, 1);
e->mainloop = m;
- e->dead = 0;
+ e->dead = FALSE;
e->fd = fd;
e->events = events;
SELECT_TYPE_ARG5 &tv) == -1) &&
(WSAGetLastError() == WSAENOTSOCK)) {
pa_log_warn("Cannot monitor non-socket file descriptors.");
- e->dead = 1;
+ e->dead = TRUE;
}
}
#endif
PA_LLIST_PREPEND(pa_io_event, m->io_events, e);
- m->rebuild_pollfds = 1;
+ m->rebuild_pollfds = TRUE;
m->n_io_events ++;
pa_mainloop_wakeup(m);
if (e->pollfd)
e->pollfd->events = map_flags_to_libc(events);
else
- e->mainloop->rebuild_pollfds = 1;
+ e->mainloop->rebuild_pollfds = TRUE;
pa_mainloop_wakeup(e->mainloop);
}
pa_assert(e);
pa_assert(!e->dead);
- e->dead = 1;
+ e->dead = TRUE;
e->mainloop->io_events_please_scan ++;
e->mainloop->n_io_events --;
- e->mainloop->rebuild_pollfds = 1;
+ e->mainloop->rebuild_pollfds = TRUE;
pa_mainloop_wakeup(e->mainloop);
}
e = pa_xnew(pa_defer_event, 1);
e->mainloop = m;
- e->dead = 0;
+ e->dead = FALSE;
- e->enabled = 1;
+ e->enabled = TRUE;
m->n_enabled_defer_events++;
e->callback = callback;
pa_assert(e);
pa_assert(!e->dead);
- e->dead = 1;
+ e->dead = TRUE;
e->mainloop->defer_events_please_scan ++;
if (e->enabled) {
pa_assert(e->mainloop->n_enabled_defer_events > 0);
e->mainloop->n_enabled_defer_events--;
- e->enabled = 0;
+ e->enabled = FALSE;
}
}
}
/* Time events */
+static pa_usec_t timeval_load(const struct timeval *tv) {
+ pa_bool_t is_rtclock;
+ struct timeval ttv;
+
+ if (!tv)
+ return PA_USEC_INVALID;
+
+ ttv = *tv;
+ is_rtclock = !!(ttv.tv_usec & PA_TIMEVAL_RTCLOCK);
+ ttv.tv_usec &= ~PA_TIMEVAL_RTCLOCK;
+
+ if (!is_rtclock)
+ pa_rtclock_from_wallclock(&ttv);
+
+ return pa_timeval_load(&ttv);
+}
+
static pa_time_event* mainloop_time_new(
pa_mainloop_api*a,
const struct timeval *tv,
pa_mainloop *m;
pa_time_event *e;
+ pa_usec_t t;
pa_assert(a);
pa_assert(a->userdata);
pa_assert(callback);
+ t = timeval_load(tv);
+
m = a->userdata;
pa_assert(a == &m->api);
e = pa_xnew(pa_time_event, 1);
e->mainloop = m;
- e->dead = 0;
+ e->dead = FALSE;
- if ((e->enabled = !!tv)) {
- e->timeval = *tv;
+ if ((e->enabled = (t != PA_USEC_INVALID))) {
+ e->time = t;
m->n_enabled_time_events++;
if (m->cached_next_time_event) {
pa_assert(m->cached_next_time_event->enabled);
- if (pa_timeval_cmp(tv, &m->cached_next_time_event->timeval) < 0)
+ if (t < m->cached_next_time_event->time)
m->cached_next_time_event = e;
}
}
}
static void mainloop_time_restart(pa_time_event *e, const struct timeval *tv) {
+ pa_bool_t valid;
+ pa_usec_t t;
+
pa_assert(e);
pa_assert(!e->dead);
- if (e->enabled && !tv) {
+ t = timeval_load(tv);
+
+ valid = (t != PA_USEC_INVALID);
+ if (e->enabled && !valid) {
pa_assert(e->mainloop->n_enabled_time_events > 0);
e->mainloop->n_enabled_time_events--;
- } else if (!e->enabled && tv)
+ } else if (!e->enabled && valid)
e->mainloop->n_enabled_time_events++;
- if ((e->enabled = !!tv)) {
- e->timeval = *tv;
+ if ((e->enabled = valid)) {
+ e->time = t;
pa_mainloop_wakeup(e->mainloop);
}
if (e->mainloop->cached_next_time_event && e->enabled) {
pa_assert(e->mainloop->cached_next_time_event->enabled);
- if (pa_timeval_cmp(tv, &e->mainloop->cached_next_time_event->timeval) < 0)
+ if (t < e->mainloop->cached_next_time_event->time)
e->mainloop->cached_next_time_event = e;
} else if (e->mainloop->cached_next_time_event == e)
e->mainloop->cached_next_time_event = NULL;
pa_assert(e);
pa_assert(!e->dead);
- e->dead = 1;
+ e->dead = TRUE;
e->mainloop->time_events_please_scan ++;
if (e->enabled) {
pa_assert(e->mainloop->n_enabled_time_events > 0);
e->mainloop->n_enabled_time_events--;
- e->enabled = 0;
+ e->enabled = FALSE;
}
if (e->mainloop->cached_next_time_event == e)
static const pa_mainloop_api vtable = {
.userdata = NULL,
- .io_new= mainloop_io_new,
- .io_enable= mainloop_io_enable,
- .io_free= mainloop_io_free,
- .io_set_destroy= mainloop_io_set_destroy,
+ .io_new = mainloop_io_new,
+ .io_enable = mainloop_io_enable,
+ .io_free = mainloop_io_free,
+ .io_set_destroy = mainloop_io_set_destroy,
.time_new = mainloop_time_new,
.time_restart = mainloop_time_restart,
pa_mainloop *pa_mainloop_new(void) {
pa_mainloop *m;
+ pa_init_i18n();
+
m = pa_xnew(pa_mainloop, 1);
m->wakeup_pipe_type = 0;
pa_make_fd_nonblock(m->wakeup_pipe[1]);
pa_make_fd_cloexec(m->wakeup_pipe[0]);
pa_make_fd_cloexec(m->wakeup_pipe[1]);
- m->wakeup_requested = 0;
+ m->wakeup_requested = FALSE;
PA_LLIST_HEAD_INIT(pa_io_event, m->io_events);
PA_LLIST_HEAD_INIT(pa_time_event, m->time_events);
m->pollfds = NULL;
m->max_pollfds = m->n_pollfds = 0;
- m->rebuild_pollfds = 1;
+ m->rebuild_pollfds = TRUE;
- m->quit = m->retval = 0;
+ m->quit = FALSE;
+ m->retval = 0;
m->api = vtable;
m->api.userdata = m;
return m;
}
-static void cleanup_io_events(pa_mainloop *m, int force) {
+static void cleanup_io_events(pa_mainloop *m, pa_bool_t force) {
pa_io_event *e;
e = m->io_events;
pa_xfree(e);
- m->rebuild_pollfds = 1;
+ m->rebuild_pollfds = TRUE;
}
e = n;
pa_assert(m->io_events_please_scan == 0);
}
-static void cleanup_time_events(pa_mainloop *m, int force) {
+static void cleanup_time_events(pa_mainloop *m, pa_bool_t force) {
pa_time_event *e;
e = m->time_events;
if (!e->dead && e->enabled) {
pa_assert(m->n_enabled_time_events > 0);
m->n_enabled_time_events--;
- e->enabled = 0;
+ e->enabled = FALSE;
}
if (e->destroy_callback)
pa_assert(m->time_events_please_scan == 0);
}
-static void cleanup_defer_events(pa_mainloop *m, int force) {
+static void cleanup_defer_events(pa_mainloop *m, pa_bool_t force) {
pa_defer_event *e;
e = m->defer_events;
if (!e->dead && e->enabled) {
pa_assert(m->n_enabled_defer_events > 0);
m->n_enabled_defer_events--;
- e->enabled = 0;
+ e->enabled = FALSE;
}
if (e->destroy_callback)
void pa_mainloop_free(pa_mainloop* m) {
pa_assert(m);
- cleanup_io_events(m, 1);
- cleanup_defer_events(m, 1);
- cleanup_time_events(m, 1);
+ cleanup_io_events(m, TRUE);
+ cleanup_defer_events(m, TRUE);
+ cleanup_time_events(m, TRUE);
pa_xfree(m->pollfds);
pa_assert(m);
if (m->io_events_please_scan)
- cleanup_io_events(m, 0);
+ cleanup_io_events(m, FALSE);
if (m->time_events_please_scan)
- cleanup_time_events(m, 0);
+ cleanup_time_events(m, FALSE);
if (m->defer_events_please_scan)
- cleanup_defer_events(m, 0);
+ cleanup_defer_events(m, FALSE);
}
static void rebuild_pollfds(pa_mainloop *m) {
m->n_pollfds++;
}
- m->rebuild_pollfds = 0;
+ m->rebuild_pollfds = FALSE;
}
static int dispatch_pollfds(pa_mainloop *m) {
if (t->dead || !t->enabled)
continue;
- if (!n || pa_timeval_cmp(&t->timeval, &n->timeval) < 0) {
+ if (!n || t->time < n->time) {
n = t;
- /* Shortcut for tv = { 0, 0 } */
- if (n->timeval.tv_sec <= 0)
+ /* Shortcut for time == 0 */
+ if (n->time == 0)
break;
}
}
static int calc_next_timeout(pa_mainloop *m) {
pa_time_event *t;
- struct timeval now;
- pa_usec_t usec;
+ pa_usec_t clock_now;
if (!m->n_enabled_time_events)
return -1;
- t = find_next_time_event(m);
- pa_assert(t);
+ pa_assert_se(t = find_next_time_event(m));
- if (t->timeval.tv_sec <= 0)
+ if (t->time <= 0)
return 0;
- pa_gettimeofday(&now);
+ clock_now = pa_rtclock_now();
- if (pa_timeval_cmp(&t->timeval, &now) <= 0)
+ if (t->time <= clock_now)
return 0;
- usec = pa_timeval_diff(&t->timeval, &now);
- return (int) (usec / 1000);
+ return (int) ((t->time - clock_now) / 1000); /* in milliseconds */
}
static int dispatch_timeout(pa_mainloop *m) {
pa_time_event *e;
- struct timeval now;
+ pa_usec_t now;
int r = 0;
pa_assert(m);
if (m->n_enabled_time_events <= 0)
return 0;
- pa_gettimeofday(&now);
+ now = pa_rtclock_now();
for (e = m->time_events; e && !m->quit; e = e->next) {
if (e->dead || !e->enabled)
continue;
- if (pa_timeval_cmp(&e->timeval, &now) <= 0) {
+ if (e->time <= now) {
+ struct timeval tv;
pa_assert(e->callback);
/* Disable time event */
mainloop_time_restart(e, NULL);
- e->callback(&m->api, e, &e->timeval, e->userdata);
+ e->callback(&m->api, e, pa_timeval_rtstore(&tv, e->time, TRUE), e->userdata);
r++;
}
void pa_mainloop_quit(pa_mainloop *m, int retval) {
pa_assert(m);
- m->quit = 1;
+ m->quit = TRUE;
m->retval = retval;
pa_mainloop_wakeup(m);
}
m->poll_func = poll_func;
m->poll_func_userdata = userdata;
}
+
+pa_bool_t pa_mainloop_is_our_api(pa_mainloop_api*m) {
+ pa_assert(m);
+
+ return m->io_new == mainloop_io_new;
+}