if(!io->cb)
return;
+ loop->deletion = true;
+
io_set(loop, io, 0);
splay_unlink_node(&loop->ios, &io->node);
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->tv = (struct timeval) {
+ 0, 0
+ };
timeout->cb = cb;
timeout->data = data;
if(!timeout->cb)
return;
+ loop->deletion = true;
+
splay_unlink_node(&loop->timeouts, &timeout->node);
timeout->cb = 0;
- timeout->tv = (struct timeval){0, 0};
+ timeout->tv = (struct timeval) {
+ 0, 0
+ };
}
static int signal_compare(const signal_t *a, const signal_t *b) {
if(read(loop->pipefd[0], &signum, 1) != 1)
return;
- signal_t *sig = splay_search(&loop->signals, &((signal_t){.signum = signum}));
+ signal_t *sig = splay_search(&loop->signals, &((signal_t) {
+ .signum = signum
+ }));
if(sig)
sig->cb(loop, sig->data);
}
if(!sig->cb)
return;
+ loop->deletion = true;
+
splay_unlink_node(&loop->signals, &sig->node);
sig->cb = NULL;
}
-bool event_loop_run(event_loop_t *loop) {
- loop->running = true;
+void idle_set(event_loop_t *loop, idle_cb_t cb, void *data) {
+ loop->idle_cb = cb;
+ loop->idle_data = data;
+}
+bool event_loop_run(event_loop_t *loop, pthread_mutex_t *mutex) {
fd_set readable;
fd_set writable;
while(loop->running) {
gettimeofday(&loop->now, NULL);
- struct timeval diff, *tv = NULL;
+ struct timeval diff, it, *tv = NULL;
while(loop->timeouts.head) {
timeout_t *timeout = loop->timeouts.head->data;
}
}
- memcpy(&readable, &loop->readfds, sizeof readable);
- memcpy(&writable, &loop->writefds, sizeof writable);
+ if(loop->idle_cb) {
+ it = loop->idle_cb(loop, loop->idle_data);
+ if(it.tv_sec >= 0 && (!tv || timercmp(&it, tv, <)))
+ tv = ⁢
+ }
+
+ memcpy(&readable, &loop->readfds, sizeof(readable));
+ memcpy(&writable, &loop->writefds, sizeof(writable));
int fds = 0;
fds = last->fd + 1;
}
+ // release mesh mutex during select
+ if(mutex)
+ pthread_mutex_unlock(mutex);
int n = select(fds, &readable, &writable, NULL, tv);
+ if(mutex)
+ pthread_mutex_lock(mutex);
if(n < 0) {
if(sockwouldblock(errno))
if(!n)
continue;
+ // Normally, splay_each allows the current node to be deleted. However,
+ // it can be that one io callback triggers the deletion of another io,
+ // so we have to detect this and break the loop.
+
+ loop->deletion = false;
+
for splay_each(io_t, io, &loop->ios) {
- if(FD_ISSET(io->fd, &writable))
+ if(FD_ISSET(io->fd, &writable) && io->cb)
io->cb(loop, io->data, IO_WRITE);
- else if(FD_ISSET(io->fd, &readable))
+ if(loop->deletion)
+ break;
+ if(FD_ISSET(io->fd, &readable) && io->cb)
io->cb(loop, io->data, IO_READ);
+ if(loop->deletion)
+ break;
}
}
io->cb(loop, io->data, IO_WRITE);
}
+void event_loop_start(event_loop_t *loop) {
+ loop->running = true;
+}
+
void event_loop_stop(event_loop_t *loop) {
loop->running = false;
}