valgrind/i386: avoid false positives on KVM_SET_CLOCK ioctl

[mirror_qemu.git] / main-loop.c

diff --git a/main-loop.c b/main-loop.c
index 8a854938e73394bcd15fb253ddb74f189a3f7c6f..981bcb5f8e2ea9ff898aa2ccd74e3c5ef87bdf9e 100644 (file)
--- a/main-loop.c
+++ b/main-loop.c
@@ -84,6 +84,11 @@ static int qemu_signal_init(void)
     sigaddset(&set, SIGIO);
     sigaddset(&set, SIGALRM);
     sigaddset(&set, SIGBUS);
+    /* SIGINT cannot be handled via signalfd, so that ^C can be used
+     * to interrupt QEMU when it is being run under gdb.  SIGHUP and
+     * SIGTERM are also handled asynchronously, even though it is not
+     * strictly necessary, because they use the same handler as SIGINT.
+     */
     pthread_sigmask(SIG_BLOCK, &set, NULL);
 
     sigdelset(&set, SIG_IPI);
@@ -126,10 +131,11 @@ void qemu_notify_event(void)
 
 static GArray *gpollfds;
 
-int qemu_init_main_loop(void)
+int qemu_init_main_loop(Error **errp)
 {
     int ret;
     GSource *src;
+    Error *local_error = NULL;
 
     init_clocks();
 
@@ -138,8 +144,12 @@ int qemu_init_main_loop(void)
         return ret;
     }
 
+    qemu_aio_context = aio_context_new(&local_error);
+    if (!qemu_aio_context) {
+        error_propagate(errp, local_error);
+        return -EMFILE;
+    }
     gpollfds = g_array_new(FALSE, FALSE, sizeof(GPollFD));
-    qemu_aio_context = aio_context_new();
     src = aio_get_g_source(qemu_aio_context);
     g_source_attach(src, NULL);
     g_source_unref(src);
@@ -498,24 +508,3 @@ QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
 {
     return aio_bh_new(qemu_aio_context, cb, opaque);
 }
-
-bool qemu_aio_wait(void)
-{
-    return aio_poll(qemu_aio_context, true);
-}
-
-#ifdef CONFIG_POSIX
-void qemu_aio_set_fd_handler(int fd,
-                             IOHandler *io_read,
-                             IOHandler *io_write,
-                             void *opaque)
-{
-    aio_set_fd_handler(qemu_aio_context, fd, io_read, io_write, opaque);
-}
-#endif
-
-void qemu_aio_set_event_notifier(EventNotifier *notifier,
-                                 EventNotifierHandler *io_read)
-{
-    aio_set_event_notifier(qemu_aio_context, notifier, io_read);
-}