From: Shuanglei Tao <tsl0922@gmail.com>
Date: Sun, 4 Aug 2019 03:59:34 +0000 (+0800)
Subject: server: fix pthread_mutex_trylock usage
X-Git-Url: http://git.prime8.dev/?a=commitdiff_plain;h=251ad41f4c025412b88248462fc17f32785a35bb;p=ttyd.git

server: fix pthread_mutex_trylock usage
---

diff --git a/src/protocol.c b/src/protocol.c
index ebdb3e4..1b373b1 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -130,7 +130,7 @@ tty_client_destroy(struct tty_client *client) {
 
     client->running = false;
 
-    if (pthread_mutex_trylock(&client->mutex)) {
+    if (pthread_mutex_trylock(&client->mutex) == 0) {
         client->state = STATE_DONE;
         pthread_cond_signal(&client->cond);
         pthread_mutex_unlock(&client->mutex);
diff --git a/src/server.c b/src/server.c
index 09c9024..87454af 100644
--- a/src/server.c
+++ b/src/server.c
@@ -478,7 +478,7 @@ main(int argc, char **argv) {
         if (!LIST_EMPTY(&server->clients)) {
             struct tty_client *client;
             LIST_FOREACH(client, &server->clients, list) {
-                if (client->running && pthread_mutex_trylock(&client->mutex)) {
+                if (client->running && pthread_mutex_trylock(&client->mutex) == 0) {
                     if (client->state != STATE_DONE)
                         lws_callback_on_writable(client->wsi);
                     else