X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fevent.c;h=90f56944fec9cc2a2251d2066630f736cccaac57;hp=61e6d8d7365893f53fffe50c4c6e07ee3b46ca22;hb=a5a8005b2d89712e124ab7295165a3e229abdad5;hpb=3bcd5ec746a5575c0c66f8b34922c038eb363b0a

diff --git a/src/event.c b/src/event.c
index 61e6d8d7..90f56944 100644
--- a/src/event.c
+++ b/src/event.c
@@ -62,9 +62,7 @@ static int timeout_compare(const timeout_t *a, const timeout_t *b) {
 }
 
 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;
@@ -73,12 +71,12 @@ void io_add(event_loop_t *loop, io_t *io, io_cb_t cb, void *data, int fd, int fl
 
 	io_set(loop, io, flags);
 
-	if(!splay_insert_node(&loop->ios, &io->node)) {
-		abort();
-	}
+	assert(splay_insert_node(&loop->ios, &io->node));
 }
 
 void io_set(event_loop_t *loop, io_t *io, int flags) {
+	assert(io->cb);
+
 	io->flags = flags;
 
 	if(flags & IO_READ) {
@@ -95,9 +93,7 @@ void io_set(event_loop_t *loop, io_t *io, int flags) {
 }
 
 void io_del(event_loop_t *loop, io_t *io) {
-	if(!io->cb) {
-		return;
-	}
+	assert(io->cb);
 
 	loop->deletion = true;
 
@@ -108,21 +104,16 @@ void io_del(event_loop_t *loop, io_t *io) {
 }
 
 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);
 	}
@@ -136,6 +127,15 @@ void timeout_set(event_loop_t *loop, timeout_t *timeout, struct timeval *tv) {
 	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) {
@@ -143,13 +143,12 @@ 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) {
@@ -175,9 +174,18 @@ static void signalio_handler(event_loop_t *loop, void *data, int flags) {
 }
 
 static void pipe_init(event_loop_t *loop) {
-	if(!pipe(loop->pipefd)) {
-		io_add(loop, &loop->signalio, signalio_handler, NULL, loop->pipefd[0], IO_READ);
-	}
+	assert(pipe(loop->pipefd) == 0);
+	io_add(loop, &loop->signalio, signalio_handler, NULL, loop->pipefd[0], IO_READ);
+}
+
+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) {
@@ -187,9 +195,7 @@ void signal_trigger(event_loop_t *loop, signal_t *sig) {
 }
 
 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;
@@ -206,14 +212,16 @@ void signal_add(event_loop_t *loop, signal_t *sig, signal_cb_t cb, void *data, u
 }
 
 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) {
@@ -222,6 +230,8 @@ 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;
 
@@ -234,11 +244,8 @@ bool event_loop_run(event_loop_t *loop, pthread_mutex_t *mutex) {
 			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;
@@ -264,15 +271,13 @@ bool event_loop_run(event_loop_t *loop, pthread_mutex_t *mutex) {
 		}
 
 		// 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)) {
@@ -339,6 +344,10 @@ void event_loop_init(event_loop_t *loop) {
 }
 
 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);
 	}