+#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <sys/poll.h>
#include <errno.h>
#include "mainloop.h"
+#include "util.h"
+#include "idxset.h"
-struct mainloop_source {
- struct mainloop_source *next;
- struct mainloop *mainloop;
- enum mainloop_source_type type;
-
- int enabled;
+struct mainloop_source_header {
+ struct pa_mainloop *mainloop;
int dead;
- void *userdata;
-
- struct {
- int fd;
- enum mainloop_io_event events;
- void (*callback)(struct mainloop_source*s, int fd, enum mainloop_io_event event, void *userdata);
- struct pollfd pollfd;
- } io;
+};
- struct {
- void (*callback)(struct mainloop_source*s, void *userdata);
- } fixed;
+struct mainloop_source_io {
+ struct mainloop_source_header header;
- struct {
- void (*callback)(struct mainloop_source*s, void *userdata);
- } idle;
-
- struct {
- int sig;
- struct sigaction sigaction;
- void (*callback)(struct mainloop_source*s, int sig, void *userdata);
- } signal;
+ 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 pollfd *pollfd;
};
-struct mainloop_source_list {
- struct mainloop_source *sources;
- int n_sources;
- int dead_sources;
+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;
};
-struct mainloop {
- struct mainloop_source_list io_sources, fixed_sources, idle_sources, signal_sources;
+struct mainloop_source_time {
+ struct mainloop_source_header header;
+ int enabled;
+ struct timeval timeval;
+ void (*callback)(struct pa_mainloop_api*a, void *id, const struct timeval*tv, void *userdata);
+ void *userdata;
+};
+
+struct pa_mainloop {
+ struct 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 pollfd *pollfds;
- int max_pollfds, n_pollfds;
+ unsigned max_pollfds, n_pollfds;
int rebuild_pollfds;
- int quit;
- int running;
- int signal_pipe[2];
- struct pollfd signal_pollfd;
+ int quit, running, retval;
+ struct pa_mainloop_api api;
};
-static int signal_pipe = -1;
+static void setup_api(struct pa_mainloop *m);
-static void signal_func(int sig) {
- if (signal_pipe >= 0)
- write(signal_pipe, &sig, sizeof(sig));
-}
+struct pa_mainloop *pa_mainloop_new(void) {
+ struct pa_mainloop *m;
-static void make_nonblock(int fd) {
- int v;
-
- if ((v = fcntl(fd, F_GETFL)) >= 0)
- fcntl(fd, F_SETFL, v|O_NONBLOCK);
-}
+ m = malloc(sizeof(struct pa_mainloop));
+ assert(m);
+ m->io_sources = idxset_new(NULL, NULL);
+ m->fixed_sources = idxset_new(NULL, NULL);
+ m->idle_sources = idxset_new(NULL, NULL);
+ m->time_sources = idxset_new(NULL, NULL);
-struct mainloop *mainloop_new(void) {
- int r;
- struct mainloop *m;
+ assert(m->io_sources && m->fixed_sources && m->idle_sources && m->time_sources);
- m = malloc(sizeof(struct mainloop));
- assert(m);
- memset(m, 0, sizeof(struct mainloop));
+ m->io_sources_scan_dead = m->fixed_sources_scan_dead = m->idle_sources_scan_dead = m->time_sources_scan_dead = 0;
+
+ m->pollfds = NULL;
+ m->max_pollfds = m->n_pollfds = m->rebuild_pollfds = 0;
- r = pipe(m->signal_pipe);
- assert(r >= 0 && m->signal_pipe[0] >= 0 && m->signal_pipe[1] >= 0);
+ m->quit = m->running = m->retval = 0;
- make_nonblock(m->signal_pipe[0]);
- make_nonblock(m->signal_pipe[1]);
-
- signal_pipe = m->signal_pipe[1];
- m->signal_pollfd.fd = m->signal_pipe[0];
- m->signal_pollfd.events = POLLIN;
- m->signal_pollfd.revents = 0;
+ setup_api(m);
return m;
}
-static void free_sources(struct mainloop_source_list *l, int all) {
- struct mainloop_source *s, *p;
- assert(l);
+static int foreach(void *p, uint32_t index, int *del, void*userdata) {
+ struct mainloop_source_header *h = p;
+ int *all = userdata;
+ assert(p && del && all);
- if (!all && !l->dead_sources)
- return;
-
- p = NULL;
- s = l->sources;
- while (s) {
- if (all || s->dead) {
- struct mainloop_source *t = s;
- s = s->next;
-
- if (p)
- p->next = s;
- else
- l->sources = s;
-
- free(t);
- } else {
- p = s;
- s = s->next;
- }
+ if (*all || h->dead) {
+ free(h);
+ *del = 1;
}
- l->dead_sources = 0;
-
- if (all) {
- assert(!l->sources);
- l->n_sources = 0;
- }
-}
+ return 0;
+};
-void mainloop_free(struct mainloop* m) {
+void pa_mainloop_free(struct pa_mainloop* m) {
+ int all = 1;
assert(m);
- free_sources(&m->io_sources, 1);
- free_sources(&m->fixed_sources, 1);
- free_sources(&m->idle_sources, 1);
- free_sources(&m->signal_sources, 1);
-
- if (signal_pipe == m->signal_pipe[1])
- signal_pipe = -1;
- close(m->signal_pipe[0]);
- close(m->signal_pipe[1]);
-
+ idxset_foreach(m->io_sources, foreach, &all);
+ idxset_foreach(m->fixed_sources, foreach, &all);
+ idxset_foreach(m->idle_sources, foreach, &all);
+ idxset_foreach(m->time_sources, foreach, &all);
+
+ idxset_free(m->io_sources, NULL, NULL);
+ idxset_free(m->fixed_sources, NULL, NULL);
+ idxset_free(m->idle_sources, NULL, NULL);
+ idxset_free(m->time_sources, NULL, NULL);
+
free(m->pollfds);
free(m);
}
-static void rebuild_pollfds(struct mainloop *m) {
- struct mainloop_source*s;
+static void scan_dead(struct pa_mainloop *m) {
+ int all = 0;
+ assert(m);
+ if (m->io_sources_scan_dead)
+ idxset_foreach(m->io_sources, foreach, &all);
+ if (m->fixed_sources_scan_dead)
+ idxset_foreach(m->fixed_sources, foreach, &all);
+ if (m->idle_sources_scan_dead)
+ idxset_foreach(m->idle_sources, foreach, &all);
+ if (m->time_sources_scan_dead)
+ idxset_foreach(m->time_sources, foreach, &all);
+}
+
+static void rebuild_pollfds(struct pa_mainloop *m) {
+ struct mainloop_source_io*s;
struct pollfd *p;
-
- if (m->max_pollfds < m->io_sources.n_sources+1) {
- m->max_pollfds = (m->io_sources.n_sources+1)*2;
- m->pollfds = realloc(m->pollfds, sizeof(struct pollfd)*m->max_pollfds);
+ uint32_t index = IDXSET_INVALID;
+ unsigned l;
+
+ l = idxset_ncontents(m->io_sources);
+ if (m->max_pollfds < l) {
+ m->pollfds = realloc(m->pollfds, sizeof(struct pollfd)*l);
+ m->max_pollfds = l;
}
m->n_pollfds = 0;
p = m->pollfds;
- for (s = m->io_sources.sources; s; s = s->next) {
- assert(s->type == MAINLOOP_SOURCE_TYPE_IO);
- if (!s->dead && s->enabled && s->io.events != MAINLOOP_IO_EVENT_NULL) {
- *(p++) = s->io.pollfd;
- m->n_pollfds++;
+ for (s = idxset_first(m->io_sources, &index); s; s = idxset_next(m->io_sources, &index)) {
+ if (s->header.dead) {
+ s->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);
+ p->revents = 0;
+
+ p++;
+ m->n_pollfds++;
}
+}
+
+static void dispatch_pollfds(struct pa_mainloop *m) {
+ uint32_t index = IDXSET_INVALID;
+ struct mainloop_source_io *s;
- *(p++) = m->signal_pollfd;
- m->n_pollfds++;
+ for (s = idxset_first(m->io_sources, &index); s; s = idxset_next(m->io_sources, &index)) {
+ if (s->header.dead || !s->events || !s->pollfd || !s->pollfd->revents)
+ continue;
+
+ assert(s->pollfd->revents <= s->pollfd->events && s->pollfd->fd == s->fd && s->callback);
+ s->callback(&m->api, s, s->fd, ((s->pollfd->revents & POLLIN) ? PA_MAINLOOP_API_IO_EVENT_INPUT : 0) | ((s->pollfd->revents & POLLOUT) ? PA_MAINLOOP_API_IO_EVENT_OUTPUT : 0), s->userdata);
+ }
}
-static void dispatch_pollfds(struct mainloop *m) {
- int i;
- struct pollfd *p;
- struct mainloop_source *s;
- /* This loop assumes that m->sources and m->pollfds have the same
- * order and that m->pollfds is a subset of m->sources! */
+static void run_fixed_or_idle(struct pa_mainloop *m, struct idxset *i) {
+ uint32_t index = IDXSET_INVALID;
+ struct mainloop_source_fixed_or_idle *s;
- s = m->io_sources.sources;
- for (p = m->pollfds, i = 0; i < m->n_pollfds; p++, i++) {
- if (!p->revents)
+ for (s = idxset_first(i, &index); s; s = idxset_next(i, &index)) {
+ if (s->header.dead || !s->enabled)
continue;
- if (p->fd == m->signal_pipe[0]) {
- /* Event from signal pipe */
+ assert(s->callback);
+ s->callback(&m->api, s, s->userdata);
+ }
+}
+
+static int calc_next_timeout(struct pa_mainloop *m) {
+ uint32_t index = IDXSET_INVALID;
+ struct mainloop_source_time *s;
+ struct timeval now;
+ int t = -1;
- if (p->revents & POLLIN) {
- int sig;
- ssize_t r;
- r = read(m->signal_pipe[0], &sig, sizeof(sig));
- assert((r < 0 && errno == EAGAIN) || r == sizeof(sig));
+ if (idxset_isempty(m->time_sources))
+ return -1;
+
+ gettimeofday(&now, NULL);
+
+ for (s = idxset_first(m->time_sources, &index); s; s = idxset_next(m->time_sources, &index)) {
+ int tmp;
+
+ if (s->header.dead || !s->enabled)
+ continue;
+
+ if (s->timeval.tv_sec < now.tv_sec || (s->timeval.tv_sec == now.tv_sec && s->timeval.tv_usec <= now.tv_usec))
+ return 0;
+
+ tmp = (s->timeval.tv_sec - now.tv_sec)*1000;
- if (r == sizeof(sig)) {
- struct mainloop_source *l = m->signal_sources.sources;
- while (l) {
- assert(l->type == MAINLOOP_SOURCE_TYPE_SIGNAL);
-
- if (l->signal.sig == sig && l->enabled && !l->dead) {
- assert(l->signal.callback);
- l->signal.callback(l, sig, l->userdata);
- }
-
- l = l->next;
- }
- }
- }
-
- } else {
- /* Event from I/O source */
-
- for (; s; s = s->next) {
- if (p->fd != s->io.fd)
- continue;
-
- assert(s->type == MAINLOOP_SOURCE_TYPE_IO);
-
- if (!s->dead && s->enabled) {
- enum mainloop_io_event e = (p->revents & POLLIN ? MAINLOOP_IO_EVENT_IN : 0) | (p->revents & POLLOUT ? MAINLOOP_IO_EVENT_OUT : 0);
- if (e) {
- assert(s->io.callback);
- s->io.callback(s, s->io.fd, e, s->userdata);
- }
- }
-
- break;
- }
+ if (s->timeval.tv_usec > now.tv_usec)
+ tmp += (s->timeval.tv_usec - now.tv_usec)/1000;
+ else
+ tmp -= (now.tv_usec - s->timeval.tv_usec)/1000;
+
+ if (tmp == 0)
+ return 0;
+ else if (tmp < t)
+ t = tmp;
+ }
+
+ return t;
+}
+
+static void dispatch_timeout(struct pa_mainloop *m) {
+ uint32_t index = IDXSET_INVALID;
+ struct mainloop_source_time *s;
+ struct timeval now;
+ assert(m);
+
+ if (idxset_isempty(m->time_sources))
+ return;
+
+ gettimeofday(&now, NULL);
+ for (s = idxset_first(m->time_sources, &index); s; s = idxset_next(m->time_sources, &index)) {
+
+ if (s->header.dead || !s->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);
+
+ s->enabled = 0;
+ s->callback(&m->api, s, &s->timeval, s->userdata);
}
}
}
-int mainloop_iterate(struct mainloop *m, int block) {
- struct mainloop_source *s;
- int c;
+static int any_idle_sources(struct pa_mainloop *m) {
+ struct mainloop_source_fixed_or_idle *s;
+ uint32_t index;
+ assert(m);
+
+ for (s = idxset_first(m->idle_sources, &index); s; s = 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;
assert(m && !m->running);
- if(m->quit)
- return m->quit;
-
- free_sources(&m->io_sources, 0);
- free_sources(&m->fixed_sources, 0);
- free_sources(&m->idle_sources, 0);
- free_sources(&m->signal_sources, 0);
-
- for (s = m->fixed_sources.sources; s; s = s->next) {
- assert(s->type == MAINLOOP_SOURCE_TYPE_FIXED);
- if (!s->dead && s->enabled) {
- assert(s->fixed.callback);
- s->fixed.callback(s, s->userdata);
- }
+ if(m->quit) {
+ if (retval)
+ *retval = m->retval;
+ return 1;
}
+ m->running = 1;
+
+ scan_dead(m);
+ run_fixed_or_idle(m, m->fixed_sources);
+
if (m->rebuild_pollfds) {
rebuild_pollfds(m);
m->rebuild_pollfds = 0;
}
- m->running = 1;
+ idle = any_idle_sources(m);
do {
- c = poll(m->pollfds, m->n_pollfds, (block && !m->idle_sources.n_sources) ? -1 : 0);
- } while (c < 0 && errno == EINTR);
-
- if (c > 0)
+ int t;
+
+ if (!block || idle)
+ t = 0;
+ else
+ t = calc_next_timeout(m);
+
+ r = poll(m->pollfds, m->n_pollfds, t);
+ } while (r < 0 && errno == EINTR);
+
+ dispatch_timeout(m);
+
+ if (r > 0)
dispatch_pollfds(m);
- else if (c == 0) {
- for (s = m->idle_sources.sources; s; s = s->next) {
- assert(s->type == MAINLOOP_SOURCE_TYPE_IDLE);
- if (!s->dead && s->enabled) {
- assert(s->idle.callback);
- s->idle.callback(s, s->userdata);
- }
- }
- }
+ else if (r == 0 && idle)
+ run_fixed_or_idle(m, m->idle_sources);
+ else if (r < 0)
+ fprintf(stderr, "select(): %s\n", strerror(errno));
m->running = 0;
- return c < 0 ? -1 : 0;
+ return r < 0 ? -1 : 0;
}
-int mainloop_run(struct mainloop *m) {
+int pa_mainloop_run(struct pa_mainloop *m, int *retval) {
int r;
- while (!(r = mainloop_iterate(m, 1)));
+ while ((r = pa_mainloop_iterate(m, 1, retval)) == 0);
return r;
}
-void mainloop_quit(struct mainloop *m, int r) {
+void pa_mainloop_quit(struct pa_mainloop *m, int r) {
assert(m);
m->quit = r;
}
-static struct mainloop_source_list* get_source_list(struct mainloop *m, enum mainloop_source_type type) {
- struct mainloop_source_list *l;
-
- switch(type) {
- case MAINLOOP_SOURCE_TYPE_IO:
- l = &m->io_sources;
- break;
- case MAINLOOP_SOURCE_TYPE_FIXED:
- l = &m->fixed_sources;
- break;
- case MAINLOOP_SOURCE_TYPE_IDLE:
- l = &m->idle_sources;
- break;
- case MAINLOOP_SOURCE_TYPE_SIGNAL:
- l = &m->signal_sources;
- break;
- default:
- l = NULL;
- break;
- }
-
- return l;
-}
-
-static struct mainloop_source *source_new(struct mainloop*m, enum mainloop_source_type type) {
- struct mainloop_source_list *l;
- struct mainloop_source* s;
- assert(m);
+/* 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 = malloc(sizeof(struct mainloop_source));
+ s = malloc(sizeof(struct mainloop_source_io));
assert(s);
- memset(s, 0, sizeof(struct mainloop_source));
+ s->header.mainloop = m;
+ s->header.dead = 0;
- s->type = type;
- s->mainloop = m;
+ s->fd = fd;
+ s->events = events;
+ s->callback = callback;
+ s->userdata = userdata;
+ s->pollfd = NULL;
- l = get_source_list(m, type);
- assert(l);
-
- s->next = l->sources;
- l->sources = s;
- l->n_sources++;
+ idxset_put(m->io_sources, s, NULL);
+ m->rebuild_pollfds = 1;
return s;
}
-struct mainloop_source* mainloop_source_new_io(struct mainloop*m, int fd, enum mainloop_io_event event, void (*callback)(struct mainloop_source*s, int fd, enum mainloop_io_event event, void *userdata), void *userdata) {
- struct mainloop_source* s;
- assert(m && fd>=0 && callback);
+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 = source_new(m, MAINLOOP_SOURCE_TYPE_IO);
+ 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);
+}
- s->io.fd = fd;
- s->io.events = event;
- s->io.callback = callback;
- s->userdata = userdata;
- s->io.pollfd.fd = fd;
- s->io.pollfd.events = (event & MAINLOOP_IO_EVENT_IN ? POLLIN : 0) | (event & MAINLOOP_IO_EVENT_OUT ? POLLOUT : 0);
- s->io.pollfd.revents = 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->enabled = 1;
-
- m->rebuild_pollfds = 1;
- return s;
+ s->header.dead = 1;
+ m->io_sources_scan_dead = 1;
}
-struct mainloop_source* mainloop_source_new_fixed(struct mainloop*m, void (*callback)(struct mainloop_source *s, void*userdata), void*userdata) {
- struct mainloop_source* s;
- assert(m && callback);
+/* 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 = source_new(m, MAINLOOP_SOURCE_TYPE_FIXED);
+ s = malloc(sizeof(struct mainloop_source_fixed_or_idle));
+ assert(s);
+ s->header.mainloop = m;
+ s->header.dead = 0;
- s->fixed.callback = callback;
- s->userdata = userdata;
s->enabled = 1;
+ s->callback = callback;
+ s->userdata = userdata;
+
+ idxset_put(m->fixed_sources, s, NULL);
return s;
}
-struct mainloop_source* mainloop_source_new_idle(struct mainloop*m, void (*callback)(struct mainloop_source *s, void*userdata), void*userdata) {
- struct mainloop_source* s;
- assert(m && callback);
-
- s = source_new(m, MAINLOOP_SOURCE_TYPE_IDLE);
+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->idle.callback = callback;
- s->userdata = userdata;
- s->enabled = 1;
- return s;
+ s->enabled = b;
}
-struct mainloop_source* mainloop_source_new_signal(struct mainloop*m, int sig, void (*callback)(struct mainloop_source *s, int sig, void*userdata), void*userdata) {
- struct mainloop_source* s;
- struct sigaction save_sa, sa;
-
- assert(m && callback);
+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);
- memset(&sa, 0, sizeof(sa));
- sa.sa_handler = signal_func;
- sa.sa_flags = SA_RESTART;
- sigemptyset(&sa.sa_mask);
+ s->header.dead = 1;
+ m->fixed_sources_scan_dead = 1;
+}
- memset(&save_sa, 0, sizeof(save_sa));
+/* 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 = malloc(sizeof(struct mainloop_source_fixed_or_idle));
+ assert(s);
+ s->header.mainloop = m;
+ s->header.dead = 0;
- if (sigaction(sig, &sa, &save_sa) < 0)
- return NULL;
-
- s = source_new(m, MAINLOOP_SOURCE_TYPE_SIGNAL);
- s->signal.sig = sig;
- s->signal.sigaction = save_sa;
-
- s->signal.callback = callback;
- s->userdata = userdata;
s->enabled = 1;
+ s->callback = callback;
+ s->userdata = userdata;
+
+ idxset_put(m->idle_sources, s, NULL);
return s;
}
-void mainloop_source_free(struct mainloop_source*s) {
- struct mainloop_source_list *l;
- assert(s && !s->dead);
- s->dead = 1;
-
- assert(s->mainloop);
- l = get_source_list(s->mainloop, s->type);
- assert(l);
+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);
- l->n_sources--;
- l->dead_sources = 1;
-
- if (s->type == MAINLOOP_SOURCE_TYPE_IO)
- s->mainloop->rebuild_pollfds = 1;
- else if (s->type == MAINLOOP_SOURCE_TYPE_SIGNAL)
- sigaction(s->signal.sig, &s->signal.sigaction, NULL);
+ s->header.dead = 1;
+ m->idle_sources_scan_dead = 1;
}
-void mainloop_source_enable(struct mainloop_source*s, int b) {
- assert(s && !s->dead);
+/* 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);
- if (s->type == MAINLOOP_SOURCE_TYPE_IO && ((s->enabled && !b) || (!s->enabled && b))) {
- assert(s->mainloop);
- s->mainloop->rebuild_pollfds = 1;
- }
+ s = malloc(sizeof(struct mainloop_source_time));
+ assert(s);
+ s->header.mainloop = m;
+ s->header.dead = 0;
- s->enabled = b;
-}
+ s->enabled = !!tv;
+ if (tv)
+ s->timeval = *tv;
-void mainloop_source_io_set_events(struct mainloop_source*s, enum mainloop_io_event events) {
- assert(s && !s->dead && s->type == MAINLOOP_SOURCE_TYPE_IO);
+ s->callback = callback;
+ s->userdata = userdata;
- if (s->io.events != events) {
- assert(s->mainloop);
- s->mainloop->rebuild_pollfds = 1;
- }
+ idxset_put(m->time_sources, s, NULL);
+ return s;
+}
- s->io.events = events;
- s->io.pollfd.events = ((events & MAINLOOP_IO_EVENT_IN) ? POLLIN : 0) | ((events & MAINLOOP_IO_EVENT_OUT) ? POLLOUT : 0);
+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;
}
-struct mainloop *mainloop_source_get_mainloop(struct mainloop_source *s) {
- assert(s);
+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;
- return s->mainloop;
}
-struct once_info {
- void (*callback)(void *userdata);
- void *userdata;
-};
+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);
-static void once_callback(struct mainloop_source *s, void *userdata) {
- struct once_info *i = userdata;
- assert(s && i && i->callback);
- i->callback(i->userdata);
- mainloop_source_free(s);
- free(i);
+ 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;
-void mainloop_once(struct mainloop*m, void (*callback)(void *userdata), void *userdata) {
- struct once_info *i;
- assert(m && callback);
+ m->api.quit = mainloop_quit;
+}
- i = malloc(sizeof(struct once_info));
- assert(i);
- i->callback = callback;
- i->userdata = userdata;
-
- mainloop_source_new_fixed(m, once_callback, i);
+struct pa_mainloop_api* pa_mainloop_get_api(struct pa_mainloop*m) {
+ assert(m);
+ return &m->api;
}
+