}
void io_add(event_loop_t *loop, io_t *io, io_cb_t cb, void *data, int fd, int flags) {
- if(io->cb) {
- return;
- }
+ assert(!io->cb);
io->fd = fd;
io->cb = cb;
io_set(loop, io, flags);
- if(!splay_insert_node(&loop->ios, &io->node)) {
- abort();
- }
+ splay_node_t *node = splay_insert_node(&loop->ios, &io->node);
+ assert(node);
+ (void)node;
}
void io_set(event_loop_t *loop, io_t *io, int flags) {
+ assert(io->cb);
+
io->flags = flags;
if(flags & IO_READ) {
}
void io_del(event_loop_t *loop, io_t *io) {
- if(!io->cb) {
- return;
- }
+ assert(io->cb);
loop->deletion = true;
}
void timeout_add(event_loop_t *loop, timeout_t *timeout, timeout_cb_t cb, void *data, struct timeval *tv) {
- if(!timeout->cb)
- timeout->tv = (struct timeval) {
- 0, 0
- };
-
timeout->cb = cb;
-
timeout->data = data;
-
timeout->node.data = timeout;
timeout_set(loop, timeout, tv);
}
void timeout_set(event_loop_t *loop, timeout_t *timeout, struct timeval *tv) {
+ assert(timeout->cb);
+
if(timerisset(&timeout->tv)) {
splay_unlink_node(&loop->timeouts, &timeout->node);
}
if(!splay_insert_node(&loop->timeouts, &timeout->node)) {
abort();
}
+
+ loop->deletion = true;
+}
+
+static void timeout_disable(event_loop_t *loop, timeout_t *timeout) {
+ splay_unlink_node(&loop->timeouts, &timeout->node);
+ timeout->tv = (struct timeval) {
+ 0, 0
+ };
}
void timeout_del(event_loop_t *loop, timeout_t *timeout) {
return;
}
- loop->deletion = true;
+ if(timerisset(&timeout->tv)) {
+ timeout_disable(loop, timeout);
+ }
- splay_unlink_node(&loop->timeouts, &timeout->node);
- timeout->cb = 0;
- timeout->tv = (struct timeval) {
- 0, 0
- };
+ timeout->cb = NULL;
+ loop->deletion = true;
}
static int signal_compare(const signal_t *a, const signal_t *b) {
return;
}
- signal_t *sig = splay_search(&loop->signals, &((signal_t) {
+ signal_t *sig = splay_search(&loop->signals, &(signal_t) {
.signum = signum
- }));
+ });
if(sig) {
sig->cb(loop, sig->data);
}
static void pipe_init(event_loop_t *loop) {
- if(!pipe(loop->pipefd)) {
+ int result = pipe(loop->pipefd);
+ assert(result == 0);
+
+ if(result == 0) {
io_add(loop, &loop->signalio, signalio_handler, NULL, loop->pipefd[0], IO_READ);
}
}
-void signal_trigger(event_loop_t *loop, signal_t *sig) {
+static void pipe_exit(event_loop_t *loop) {
+ io_del(loop, &loop->signalio);
+
+ close(loop->pipefd[0]);
+ close(loop->pipefd[1]);
+ loop->pipefd[0] = -1;
+ loop->pipefd[1] = -1;
+}
+
+void signal_trigger(event_loop_t *loop, signal_t *sig) {
uint8_t signum = sig->signum;
write(loop->pipefd[1], &signum, 1);
return;
-
}
void signal_add(event_loop_t *loop, signal_t *sig, signal_cb_t cb, void *data, uint8_t signum) {
- if(sig->cb) {
- return;
- }
+ assert(!sig->cb);
sig->cb = cb;
sig->data = data;
}
void signal_del(event_loop_t *loop, signal_t *sig) {
- if(!sig->cb) {
- return;
- }
+ assert(sig->cb);
loop->deletion = true;
splay_unlink_node(&loop->signals, &sig->node);
sig->cb = NULL;
+
+ if(!loop->signals.count && loop->pipefd[0] != -1) {
+ pipe_exit(loop);
+ }
}
void idle_set(event_loop_t *loop, idle_cb_t cb, void *data) {
}
bool event_loop_run(event_loop_t *loop, pthread_mutex_t *mutex) {
+ assert(mutex);
+
fd_set readable;
fd_set writable;
timersub(&timeout->tv, &loop->now, &diff);
if(diff.tv_sec < 0) {
+ timeout_disable(loop, timeout);
timeout->cb(loop, timeout->data);
-
- if(timercmp(&timeout->tv, &loop->now, <)) {
- timeout_del(loop, timeout);
- }
} else {
tv = &diff;
break;
}
// release mesh mutex during select
- if(mutex) {
- pthread_mutex_unlock(mutex);
- }
+ pthread_mutex_unlock(mutex);
int n = select(fds, &readable, &writable, NULL, tv);
- if(mutex) {
- pthread_mutex_lock(mutex);
- }
+ pthread_mutex_lock(mutex);
+
+ gettimeofday(&loop->now, NULL);
if(n < 0) {
if(sockwouldblock(errno)) {
}
void event_loop_exit(event_loop_t *loop) {
+ assert(!loop->ios.count);
+ assert(!loop->timeouts.count);
+ assert(!loop->signals.count);
+
for splay_each(io_t, io, &loop->ios) {
splay_unlink_node(&loop->ios, node);
}