uloop: handle waker pipe write() return value

[project/libubox.git] / uloop.c

diff --git a/uloop.c b/uloop.c
index 0b75d4b..1c5bcee 100644 (file)
--- a/uloop.c
+++ b/uloop.c
@@ -387,7 +387,13 @@ static void uloop_handle_processes(void)
 
 static void uloop_signal_wake(void)
 {
-       write(waker_pipe, "w", 1);
+       do {
+               if (write(waker_pipe, "w", 1) < 0) {
+                       if (errno == EINTR)
+                               continue;
+               }
+               break;
+       } while (1);
 }
 
 static void uloop_handle_sigint(int signo)