add initial glib mainloop adapter

clean up mainloop API


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@105 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-08-05 19:53:57 +00:00
parent 839f99ffbf
commit 964bdfd1e8
36 changed files with 1312 additions and 628 deletions

View file

@ -38,42 +38,42 @@
#include "idxset.h"
#include "xmalloc.h"
struct mainloop_source_header {
struct pa_base_event {
};
struct pa_io_event {
struct pa_mainloop *mainloop;
int dead;
};
struct mainloop_source_io {
struct mainloop_source_header header;
int fd;
enum pa_mainloop_api_io_events events;
void (*callback) (struct pa_mainloop_api*a, void *id, int fd, enum pa_mainloop_api_io_events events, void *userdata);
void *userdata;
enum pa_io_event_flags events;
void (*callback) (struct pa_mainloop_api*a, struct pa_io_event *e, int fd, enum pa_io_event_flags f, void *userdata);
struct pollfd *pollfd;
};
struct mainloop_source_fixed_or_idle {
struct mainloop_source_header header;
int enabled;
void (*callback)(struct pa_mainloop_api*a, void *id, void *userdata);
void *userdata;
void (*destroy_callback) (struct pa_mainloop_api*a, struct pa_io_event *e, void *userdata);
};
struct mainloop_source_time {
struct mainloop_source_header header;
struct pa_time_event {
struct pa_mainloop *mainloop;
int dead;
int enabled;
struct timeval timeval;
void (*callback)(struct pa_mainloop_api*a, void *id, const struct timeval*tv, void *userdata);
void (*callback)(struct pa_mainloop_api*a, struct pa_time_event *e, const struct timeval*tv, void *userdata);
void *userdata;
void (*destroy_callback) (struct pa_mainloop_api*a, struct pa_time_event *e, void *userdata);
};
struct pa_defer_event {
struct pa_mainloop *mainloop;
int dead;
int enabled;
void (*callback)(struct pa_mainloop_api*a, struct pa_defer_event*e, void *userdata);
void *userdata;
void (*destroy_callback) (struct pa_mainloop_api*a, struct pa_defer_event *e, void *userdata);
};
struct pa_mainloop {
struct pa_idxset *io_sources, *fixed_sources, *idle_sources, *time_sources;
int io_sources_scan_dead, fixed_sources_scan_dead, idle_sources_scan_dead, time_sources_scan_dead;
struct pa_idxset *io_events, *time_events, *defer_events;
int io_events_scan_dead, defer_events_scan_dead, time_events_scan_dead;
struct pollfd *pollfds;
unsigned max_pollfds, n_pollfds;
@ -83,57 +83,248 @@ struct pa_mainloop {
struct pa_mainloop_api api;
};
static void setup_api(struct pa_mainloop *m);
/* IO events */
static struct pa_io_event* mainloop_io_new(struct pa_mainloop_api*a, int fd, enum pa_io_event_flags events, void (*callback) (struct pa_mainloop_api*a, struct pa_io_event *e, int fd, enum pa_io_event_flags events, void *userdata), void *userdata) {
struct pa_mainloop *m;
struct pa_io_event *e;
assert(a && a->userdata && fd >= 0 && callback);
m = a->userdata;
assert(a == &m->api);
e = pa_xmalloc(sizeof(struct pa_io_event));
e->mainloop = m;
e->dead = 0;
e->fd = fd;
e->events = events;
e->callback = callback;
e->userdata = userdata;
e->destroy_callback = NULL;
e->pollfd = NULL;
pa_idxset_put(m->io_events, e, NULL);
m->rebuild_pollfds = 1;
return e;
}
static void mainloop_io_enable(struct pa_io_event *e, enum pa_io_event_flags events) {
assert(e && e->mainloop);
e->events = events;
if (e->pollfd)
e->pollfd->events =
(events & PA_IO_EVENT_INPUT ? POLLIN : 0) |
(events & PA_IO_EVENT_OUTPUT ? POLLOUT : 0) |
POLLHUP |
POLLERR;
}
static void mainloop_io_free(struct pa_io_event *e) {
assert(e && e->mainloop);
e->dead = e->mainloop->io_events_scan_dead = e->mainloop->rebuild_pollfds = 1;
}
static void mainloop_io_set_destroy(struct pa_io_event *e, void (*callback)(struct pa_mainloop_api*a, struct pa_io_event *e, void *userdata)) {
assert(e);
e->destroy_callback = callback;
}
/* Defer events */
struct pa_defer_event* mainloop_defer_new(struct pa_mainloop_api*a, void (*callback) (struct pa_mainloop_api*a, struct pa_defer_event *e, void *userdata), void *userdata) {
struct pa_mainloop *m;
struct pa_defer_event *e;
assert(a && a->userdata && callback);
m = a->userdata;
assert(a == &m->api);
e = pa_xmalloc(sizeof(struct pa_defer_event));
e->mainloop = m;
e->dead = 0;
e->enabled = 1;
e->callback = callback;
e->userdata = userdata;
e->destroy_callback = NULL;
pa_idxset_put(m->defer_events, e, NULL);
return e;
}
static void mainloop_defer_enable(struct pa_defer_event *e, int b) {
assert(e);
e->enabled = b;
}
static void mainloop_defer_free(struct pa_defer_event *e) {
assert(e);
e->dead = e->mainloop->defer_events_scan_dead = 1;
}
static void mainloop_defer_set_destroy(struct pa_defer_event *e, void (*callback)(struct pa_mainloop_api*a, struct pa_defer_event *e, void *userdata)) {
assert(e);
e->destroy_callback = callback;
}
/* Time events */
static struct pa_time_event* mainloop_time_new(struct pa_mainloop_api*a, const struct timeval *tv, void (*callback) (struct pa_mainloop_api*a, struct pa_time_event*e, const struct timeval *tv, void *userdata), void *userdata) {
struct pa_mainloop *m;
struct pa_time_event *e;
assert(a && a->userdata && callback);
m = a->userdata;
assert(a == &m->api);
e = pa_xmalloc(sizeof(struct pa_time_event));
e->mainloop = m;
e->dead = 0;
e->enabled = !!tv;
if (tv)
e->timeval = *tv;
e->callback = callback;
e->userdata = userdata;
e->destroy_callback = NULL;
pa_idxset_put(m->time_events, e, NULL);
return e;
}
static void mainloop_time_restart(struct pa_time_event *e, const struct timeval *tv) {
assert(e);
if (tv) {
e->enabled = 1;
e->timeval = *tv;
} else
e->enabled = 0;
}
static void mainloop_time_free(struct pa_time_event *e) {
assert(e);
e->dead = e->mainloop->time_events_scan_dead = 1;
}
static void mainloop_time_set_destroy(struct pa_time_event *e, void (*callback)(struct pa_mainloop_api*a, struct pa_time_event *e, void *userdata)) {
assert(e);
e->destroy_callback = callback;
}
/* quit() */
static void mainloop_quit(struct pa_mainloop_api*a, int retval) {
struct pa_mainloop *m;
assert(a && a->userdata);
m = a->userdata;
assert(a == &m->api);
m->quit = 1;
m->retval = retval;
}
static const struct 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,
time_new : mainloop_time_new,
time_restart : mainloop_time_restart,
time_free : mainloop_time_free,
time_set_destroy : mainloop_time_set_destroy,
defer_new : mainloop_defer_new,
defer_enable : mainloop_defer_enable,
defer_free : mainloop_defer_free,
defer_set_destroy : mainloop_defer_set_destroy,
quit : mainloop_quit,
};
struct pa_mainloop *pa_mainloop_new(void) {
struct pa_mainloop *m;
m = pa_xmalloc(sizeof(struct pa_mainloop));
m->io_sources = pa_idxset_new(NULL, NULL);
m->fixed_sources = pa_idxset_new(NULL, NULL);
m->idle_sources = pa_idxset_new(NULL, NULL);
m->time_sources = pa_idxset_new(NULL, NULL);
m->io_events = pa_idxset_new(NULL, NULL);
m->defer_events = pa_idxset_new(NULL, NULL);
m->time_events = pa_idxset_new(NULL, NULL);
assert(m->io_sources && m->fixed_sources && m->idle_sources && m->time_sources);
assert(m->io_events && m->defer_events && m->time_events);
m->io_sources_scan_dead = m->fixed_sources_scan_dead = m->idle_sources_scan_dead = m->time_sources_scan_dead = 0;
m->io_events_scan_dead = m->defer_events_scan_dead = m->time_events_scan_dead = 0;
m->pollfds = NULL;
m->max_pollfds = m->n_pollfds = m->rebuild_pollfds = 0;
m->quit = m->running = m->retval = 0;
setup_api(m);
m->api = vtable;
m->api.userdata = m;
return m;
}
static int foreach(void *p, uint32_t index, int *del, void*userdata) {
struct mainloop_source_header *h = p;
static int io_foreach(void *p, uint32_t index, int *del, void*userdata) {
struct pa_io_event *e = p;
int *all = userdata;
assert(p && del && all);
assert(e && del && all);
if (*all || h->dead) {
pa_xfree(h);
*del = 1;
}
if (!*all || !e->dead)
return 0;
if (e->destroy_callback)
e->destroy_callback(&e->mainloop->api, e, e->userdata);
pa_xfree(e);
*del = 1;
return 0;
};
static int time_foreach(void *p, uint32_t index, int *del, void*userdata) {
struct pa_time_event *e = p;
int *all = userdata;
assert(e && del && all);
if (!*all || !e->dead)
return 0;
if (e->destroy_callback)
e->destroy_callback(&e->mainloop->api, e, e->userdata);
pa_xfree(e);
*del = 1;
return 0;
};
static int defer_foreach(void *p, uint32_t index, int *del, void*userdata) {
struct pa_defer_event *e = p;
int *all = userdata;
assert(e && del && all);
if (!*all || !e->dead)
return 0;
if (e->destroy_callback)
e->destroy_callback(&e->mainloop->api, e, e->userdata);
pa_xfree(e);
*del = 1;
return 0;
};
void pa_mainloop_free(struct pa_mainloop* m) {
int all = 1;
assert(m);
pa_idxset_foreach(m->io_sources, foreach, &all);
pa_idxset_foreach(m->fixed_sources, foreach, &all);
pa_idxset_foreach(m->idle_sources, foreach, &all);
pa_idxset_foreach(m->time_sources, foreach, &all);
pa_idxset_free(m->io_sources, NULL, NULL);
pa_idxset_free(m->fixed_sources, NULL, NULL);
pa_idxset_free(m->idle_sources, NULL, NULL);
pa_idxset_free(m->time_sources, NULL, NULL);
pa_idxset_foreach(m->io_events, io_foreach, &all);
pa_idxset_foreach(m->time_events, time_foreach, &all);
pa_idxset_foreach(m->defer_events, defer_foreach, &all);
pa_idxset_free(m->io_events, NULL, NULL);
pa_idxset_free(m->time_events, NULL, NULL);
pa_idxset_free(m->defer_events, NULL, NULL);
pa_xfree(m->pollfds);
pa_xfree(m);
@ -142,23 +333,21 @@ void pa_mainloop_free(struct pa_mainloop* m) {
static void scan_dead(struct pa_mainloop *m) {
int all = 0;
assert(m);
if (m->io_sources_scan_dead)
pa_idxset_foreach(m->io_sources, foreach, &all);
if (m->fixed_sources_scan_dead)
pa_idxset_foreach(m->fixed_sources, foreach, &all);
if (m->idle_sources_scan_dead)
pa_idxset_foreach(m->idle_sources, foreach, &all);
if (m->time_sources_scan_dead)
pa_idxset_foreach(m->time_sources, foreach, &all);
if (m->io_events_scan_dead)
pa_idxset_foreach(m->io_events, io_foreach, &all);
if (m->time_events_scan_dead)
pa_idxset_foreach(m->time_events, time_foreach, &all);
if (m->defer_events_scan_dead)
pa_idxset_foreach(m->defer_events, defer_foreach, &all);
}
static void rebuild_pollfds(struct pa_mainloop *m) {
struct mainloop_source_io*s;
struct pa_io_event*e;
struct pollfd *p;
uint32_t index = PA_IDXSET_INVALID;
unsigned l;
l = pa_idxset_ncontents(m->io_sources);
l = pa_idxset_ncontents(m->io_events);
if (m->max_pollfds < l) {
m->pollfds = pa_xrealloc(m->pollfds, sizeof(struct pollfd)*l);
m->max_pollfds = l;
@ -166,15 +355,19 @@ static void rebuild_pollfds(struct pa_mainloop *m) {
m->n_pollfds = 0;
p = m->pollfds;
for (s = pa_idxset_first(m->io_sources, &index); s; s = pa_idxset_next(m->io_sources, &index)) {
if (s->header.dead) {
s->pollfd = NULL;
for (e = pa_idxset_first(m->io_events, &index); e; e = pa_idxset_next(m->io_events, &index)) {
if (e->dead) {
e->pollfd = NULL;
continue;
}
s->pollfd = p;
p->fd = s->fd;
p->events = ((s->events & PA_MAINLOOP_API_IO_EVENT_INPUT) ? POLLIN : 0) | ((s->events & PA_MAINLOOP_API_IO_EVENT_OUTPUT) ? POLLOUT : 0);
e->pollfd = p;
p->fd = e->fd;
p->events =
((e->events & PA_IO_EVENT_INPUT) ? POLLIN : 0) |
((e->events & PA_IO_EVENT_OUTPUT) ? POLLOUT : 0) |
POLLHUP |
POLLERR;
p->revents = 0;
p++;
@ -184,60 +377,62 @@ static void rebuild_pollfds(struct pa_mainloop *m) {
static void dispatch_pollfds(struct pa_mainloop *m) {
uint32_t index = PA_IDXSET_INVALID;
struct mainloop_source_io *s;
struct pa_io_event *e;
for (s = pa_idxset_first(m->io_sources, &index); s; s = pa_idxset_next(m->io_sources, &index)) {
if (s->header.dead || !s->pollfd || !s->pollfd->revents)
for (e = pa_idxset_first(m->io_events, &index); e; e = pa_idxset_next(m->io_events, &index)) {
if (e->dead || !e->pollfd || !e->pollfd->revents)
continue;
assert(s->pollfd->fd == s->fd && s->callback);
s->callback(&m->api, s, s->fd,
((s->pollfd->revents & POLLHUP) ? PA_MAINLOOP_API_IO_EVENT_HUP : 0) |
((s->pollfd->revents & POLLIN) ? PA_MAINLOOP_API_IO_EVENT_INPUT : 0) |
((s->pollfd->revents & POLLOUT) ? PA_MAINLOOP_API_IO_EVENT_OUTPUT : 0), s->userdata);
s->pollfd->revents = 0;
assert(e->pollfd->fd == e->fd && e->callback);
e->callback(&m->api, e, e->fd,
(e->pollfd->revents & POLLHUP ? PA_IO_EVENT_HANGUP : 0) |
(e->pollfd->revents & POLLIN ? PA_IO_EVENT_INPUT : 0) |
(e->pollfd->revents & POLLOUT ? PA_IO_EVENT_OUTPUT : 0) |
(e->pollfd->revents & POLLERR ? PA_IO_EVENT_ERROR : 0),
e->userdata);
e->pollfd->revents = 0;
}
}
static void run_fixed_or_idle(struct pa_mainloop *m, struct pa_idxset *i) {
uint32_t index = PA_IDXSET_INVALID;
struct mainloop_source_fixed_or_idle *s;
static void dispatch_defer(struct pa_mainloop *m) {
uint32_t index;
struct pa_defer_event *e;
for (s = pa_idxset_first(i, &index); s; s = pa_idxset_next(i, &index)) {
if (s->header.dead || !s->enabled)
for (e = pa_idxset_first(m->defer_events, &index); e; e = pa_idxset_next(m->defer_events, &index)) {
if (e->dead || !e->enabled)
continue;
assert(s->callback);
s->callback(&m->api, s, s->userdata);
assert(e->callback);
e->callback(&m->api, e, e->userdata);
}
}
static int calc_next_timeout(struct pa_mainloop *m) {
uint32_t index = PA_IDXSET_INVALID;
struct mainloop_source_time *s;
uint32_t index;
struct pa_time_event *e;
struct timeval now;
int t = -1;
if (pa_idxset_isempty(m->time_sources))
if (pa_idxset_isempty(m->time_events))
return -1;
gettimeofday(&now, NULL);
for (s = pa_idxset_first(m->time_sources, &index); s; s = pa_idxset_next(m->time_sources, &index)) {
for (e = pa_idxset_first(m->time_events, &index); e; e = pa_idxset_next(m->time_events, &index)) {
int tmp;
if (s->header.dead || !s->enabled)
if (e->dead || !e->enabled)
continue;
if (s->timeval.tv_sec < now.tv_sec || (s->timeval.tv_sec == now.tv_sec && s->timeval.tv_usec <= now.tv_usec))
if (e->timeval.tv_sec < now.tv_sec || (e->timeval.tv_sec == now.tv_sec && e->timeval.tv_usec <= now.tv_usec))
return 0;
tmp = (s->timeval.tv_sec - now.tv_sec)*1000;
tmp = (e->timeval.tv_sec - now.tv_sec)*1000;
if (s->timeval.tv_usec > now.tv_usec)
tmp += (s->timeval.tv_usec - now.tv_usec)/1000;
if (e->timeval.tv_usec > now.tv_usec)
tmp += (e->timeval.tv_usec - now.tv_usec)/1000;
else
tmp -= (now.tv_usec - s->timeval.tv_usec)/1000;
tmp -= (now.tv_usec - e->timeval.tv_usec)/1000;
if (tmp == 0)
return 0;
@ -249,43 +444,31 @@ static int calc_next_timeout(struct pa_mainloop *m) {
}
static void dispatch_timeout(struct pa_mainloop *m) {
uint32_t index = PA_IDXSET_INVALID;
struct mainloop_source_time *s;
uint32_t index;
struct pa_time_event *e;
struct timeval now;
assert(m);
if (pa_idxset_isempty(m->time_sources))
if (pa_idxset_isempty(m->time_events))
return;
gettimeofday(&now, NULL);
for (s = pa_idxset_first(m->time_sources, &index); s; s = pa_idxset_next(m->time_sources, &index)) {
for (e = pa_idxset_first(m->time_events, &index); e; e = pa_idxset_next(m->time_events, &index)) {
if (s->header.dead || !s->enabled)
if (e->dead || !e->enabled)
continue;
if (s->timeval.tv_sec < now.tv_sec || (s->timeval.tv_sec == now.tv_sec && s->timeval.tv_usec <= now.tv_usec)) {
assert(s->callback);
if (e->timeval.tv_sec < now.tv_sec || (e->timeval.tv_sec == now.tv_sec && e->timeval.tv_usec <= now.tv_usec)) {
assert(e->callback);
s->enabled = 0;
s->callback(&m->api, s, &s->timeval, s->userdata);
e->enabled = 0;
e->callback(&m->api, e, &e->timeval, e->userdata);
}
}
}
static int any_idle_sources(struct pa_mainloop *m) {
struct mainloop_source_fixed_or_idle *s;
uint32_t index;
assert(m);
for (s = pa_idxset_first(m->idle_sources, &index); s; s = pa_idxset_next(m->idle_sources, &index))
if (!s->header.dead && s->enabled)
return 1;
return 0;
}
int pa_mainloop_iterate(struct pa_mainloop *m, int block, int *retval) {
int r, idle;
int r;
assert(m && !m->running);
if(m->quit) {
@ -297,23 +480,16 @@ int pa_mainloop_iterate(struct pa_mainloop *m, int block, int *retval) {
m->running = 1;
scan_dead(m);
run_fixed_or_idle(m, m->fixed_sources);
dispatch_defer(m);
if (m->rebuild_pollfds) {
rebuild_pollfds(m);
m->rebuild_pollfds = 0;
}
idle = any_idle_sources(m);
do {
int t;
if (!block || idle)
t = 0;
else
t = calc_next_timeout(m);
int t = block ? calc_next_timeout(m) : 0;
/*fprintf(stderr, "%u\n", t);*/
r = poll(m->pollfds, m->n_pollfds, t);
} while (r < 0 && errno == EINTR);
@ -321,8 +497,6 @@ int pa_mainloop_iterate(struct pa_mainloop *m, int block, int *retval) {
if (r > 0)
dispatch_pollfds(m);
else if (r == 0 && idle)
run_fixed_or_idle(m, m->idle_sources);
else if (r < 0)
fprintf(stderr, "select(): %s\n", strerror(errno));
@ -341,209 +515,7 @@ void pa_mainloop_quit(struct pa_mainloop *m, int r) {
m->quit = r;
}
/* IO sources */
static void* mainloop_source_io(struct pa_mainloop_api*a, int fd, enum pa_mainloop_api_io_events events, void (*callback) (struct pa_mainloop_api*a, void *id, int fd, enum pa_mainloop_api_io_events events, void *userdata), void *userdata) {
struct pa_mainloop *m;
struct mainloop_source_io *s;
assert(a && a->userdata && fd >= 0 && callback);
m = a->userdata;
assert(a == &m->api);
s = pa_xmalloc(sizeof(struct mainloop_source_io));
s->header.mainloop = m;
s->header.dead = 0;
s->fd = fd;
s->events = events;
s->callback = callback;
s->userdata = userdata;
s->pollfd = NULL;
pa_idxset_put(m->io_sources, s, NULL);
m->rebuild_pollfds = 1;
return s;
}
static void mainloop_enable_io(struct pa_mainloop_api*a, void* id, enum pa_mainloop_api_io_events events) {
struct pa_mainloop *m;
struct mainloop_source_io *s = id;
assert(a && a->userdata && s && !s->header.dead);
m = a->userdata;
assert(a == &m->api && s->header.mainloop == m);
s->events = events;
if (s->pollfd)
s->pollfd->events = ((s->events & PA_MAINLOOP_API_IO_EVENT_INPUT) ? POLLIN : 0) | ((s->events & PA_MAINLOOP_API_IO_EVENT_OUTPUT) ? POLLOUT : 0);
}
static void mainloop_cancel_io(struct pa_mainloop_api*a, void* id) {
struct pa_mainloop *m;
struct mainloop_source_io *s = id;
assert(a && a->userdata && s && !s->header.dead);
m = a->userdata;
assert(a == &m->api && s->header.mainloop == m);
s->header.dead = 1;
m->io_sources_scan_dead = 1;
m->rebuild_pollfds = 1;
}
/* Fixed sources */
static void* mainloop_source_fixed(struct pa_mainloop_api*a, void (*callback) (struct pa_mainloop_api*a, void *id, void *userdata), void *userdata) {
struct pa_mainloop *m;
struct mainloop_source_fixed_or_idle *s;
assert(a && a->userdata && callback);
m = a->userdata;
assert(a == &m->api);
s = pa_xmalloc(sizeof(struct mainloop_source_fixed_or_idle));
s->header.mainloop = m;
s->header.dead = 0;
s->enabled = 1;
s->callback = callback;
s->userdata = userdata;
pa_idxset_put(m->fixed_sources, s, NULL);
return s;
}
static void mainloop_enable_fixed(struct pa_mainloop_api*a, void* id, int b) {
struct pa_mainloop *m;
struct mainloop_source_fixed_or_idle *s = id;
assert(a && a->userdata && s && !s->header.dead);
m = a->userdata;
assert(a == &m->api);
s->enabled = b;
}
static void mainloop_cancel_fixed(struct pa_mainloop_api*a, void* id) {
struct pa_mainloop *m;
struct mainloop_source_fixed_or_idle *s = id;
assert(a && a->userdata && s && !s->header.dead);
m = a->userdata;
assert(a == &m->api);
s->header.dead = 1;
m->fixed_sources_scan_dead = 1;
}
/* Idle sources */
static void* mainloop_source_idle(struct pa_mainloop_api*a, void (*callback) (struct pa_mainloop_api*a, void *id, void *userdata), void *userdata) {
struct pa_mainloop *m;
struct mainloop_source_fixed_or_idle *s;
assert(a && a->userdata && callback);
m = a->userdata;
assert(a == &m->api);
s = pa_xmalloc(sizeof(struct mainloop_source_fixed_or_idle));
s->header.mainloop = m;
s->header.dead = 0;
s->enabled = 1;
s->callback = callback;
s->userdata = userdata;
pa_idxset_put(m->idle_sources, s, NULL);
return s;
}
static void mainloop_cancel_idle(struct pa_mainloop_api*a, void* id) {
struct pa_mainloop *m;
struct mainloop_source_fixed_or_idle *s = id;
assert(a && a->userdata && s && !s->header.dead);
m = a->userdata;
assert(a == &m->api);
s->header.dead = 1;
m->idle_sources_scan_dead = 1;
}
/* Time sources */
static void* mainloop_source_time(struct pa_mainloop_api*a, const struct timeval *tv, void (*callback) (struct pa_mainloop_api*a, void *id, const struct timeval *tv, void *userdata), void *userdata) {
struct pa_mainloop *m;
struct mainloop_source_time *s;
assert(a && a->userdata && callback);
m = a->userdata;
assert(a == &m->api);
s = pa_xmalloc(sizeof(struct mainloop_source_time));
s->header.mainloop = m;
s->header.dead = 0;
s->enabled = !!tv;
if (tv)
s->timeval = *tv;
s->callback = callback;
s->userdata = userdata;
pa_idxset_put(m->time_sources, s, NULL);
return s;
}
static void mainloop_enable_time(struct pa_mainloop_api*a, void *id, const struct timeval *tv) {
struct pa_mainloop *m;
struct mainloop_source_time *s = id;
assert(a && a->userdata && s && !s->header.dead);
m = a->userdata;
assert(a == &m->api);
if (tv) {
s->enabled = 1;
s->timeval = *tv;
} else
s->enabled = 0;
}
static void mainloop_cancel_time(struct pa_mainloop_api*a, void* id) {
struct pa_mainloop *m;
struct mainloop_source_time *s = id;
assert(a && a->userdata && s && !s->header.dead);
m = a->userdata;
assert(a == &m->api);
s->header.dead = 1;
m->time_sources_scan_dead = 1;
}
static void mainloop_quit(struct pa_mainloop_api*a, int retval) {
struct pa_mainloop *m;
assert(a && a->userdata);
m = a->userdata;
assert(a == &m->api);
m->quit = 1;
m->retval = retval;
}
static void setup_api(struct pa_mainloop *m) {
assert(m);
m->api.userdata = m;
m->api.source_io = mainloop_source_io;
m->api.enable_io = mainloop_enable_io;
m->api.cancel_io = mainloop_cancel_io;
m->api.source_fixed = mainloop_source_fixed;
m->api.enable_fixed = mainloop_enable_fixed;
m->api.cancel_fixed = mainloop_cancel_fixed;
m->api.source_idle = mainloop_source_idle;
m->api.enable_idle = mainloop_enable_fixed; /* (!) */
m->api.cancel_idle = mainloop_cancel_idle;
m->api.source_time = mainloop_source_time;
m->api.enable_time = mainloop_enable_time;
m->api.cancel_time = mainloop_cancel_time;
m->api.quit = mainloop_quit;
}
struct pa_mainloop_api* pa_mainloop_get_api(struct pa_mainloop*m) {
assert(m);
return &m->api;
}