target-alpha: Use noreturn marker in helper.h.

[qemu.git] / main-loop.c

diff --git a/main-loop.c b/main-loop.c
index 60e97483242fc20ae1614b214681471241efb3a5..db23de04971ddf3dbafaa89c796227d7ce0fe652 100644 (file)
--- a/main-loop.c
+++ b/main-loop.c
@@ -142,14 +142,12 @@ static int qemu_signal_init(void)
      */
     sigemptyset(&set);
     sigaddset(&set, SIG_IPI);
-    pthread_sigmask(SIG_BLOCK, &set, NULL);
-
-    sigemptyset(&set);
     sigaddset(&set, SIGIO);
     sigaddset(&set, SIGALRM);
     sigaddset(&set, SIGBUS);
     pthread_sigmask(SIG_BLOCK, &set, NULL);
 
+    sigdelset(&set, SIG_IPI);
     sigfd = qemu_signalfd(&set);
     if (sigfd == -1) {
         fprintf(stderr, "failed to create signalfd\n");
@@ -166,7 +164,7 @@ static int qemu_signal_init(void)
 
 #else /* _WIN32 */
 
-HANDLE qemu_event_handle;
+HANDLE qemu_event_handle = NULL;
 
 static void dummy_event_handler(void *opaque)
 {
@@ -185,6 +183,9 @@ static int qemu_event_init(void)
 
 void qemu_notify_event(void)
 {
+    if (!qemu_event_handle) {
+        return;
+    }
     if (!SetEvent(qemu_event_handle)) {
         fprintf(stderr, "qemu_notify_event: SetEvent failed: %ld\n",
                 GetLastError());
@@ -198,7 +199,7 @@ static int qemu_signal_init(void)
 }
 #endif
 
-int qemu_init_main_loop(void)
+int main_loop_init(void)
 {
     int ret;