event_notifier: add Win32 implementation

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/Makefile.objs b/Makefile.objs
index 54daa9f110f526bb4a0244d587d512fa8a276af5..5b39c3356031a574326908567fdb1e93ef48f1e6 100644 (file)
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -94,7 +94,8 @@ common-obj-y += bt-host.o bt-vhci.o
 common-obj-y += dma-helpers.o
 common-obj-y += acl.o
 common-obj-$(CONFIG_POSIX) += compatfd.o
-common-obj-y += event_notifier.o
+common-obj-$(CONFIG_POSIX) += event_notifier-posix.o
+common-obj-$(CONFIG_WIN32) += event_notifier-win32.o
 common-obj-y += qemu-timer.o qemu-timer-common.o
 common-obj-y += qtest.o
 common-obj-y += vl.o

diff --git a/event_notifier.c b/event_notifier-posix.c
similarity index 100%
rename from event_notifier.c
rename to event_notifier-posix.c

diff --git a/event_notifier-win32.c b/event_notifier-win32.c
new file mode 100644 (file)
index 0000000..c723dad
--- /dev/null
+++ b/event_notifier-win32.c
@@ -0,0 +1,59 @@
+/*
+ * event notifier support
+ *
+ * Copyright Red Hat, Inc. 2010
+ *
+ * Authors:
+ *  Michael S. Tsirkin <mst@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu-common.h"
+#include "event_notifier.h"
+#include "main-loop.h"
+
+int event_notifier_init(EventNotifier *e, int active)
+{
+    e->event = CreateEvent(NULL, FALSE, FALSE, NULL);
+    assert(e->event);
+    return 0;
+}
+
+void event_notifier_cleanup(EventNotifier *e)
+{
+    CloseHandle(e->event);
+}
+
+HANDLE event_notifier_get_handle(EventNotifier *e)
+{
+    return e->event;
+}
+
+int event_notifier_set_handler(EventNotifier *e,
+                               EventNotifierHandler *handler)
+{
+    if (handler) {
+        return qemu_add_wait_object(e->event, (IOHandler *)handler, e);
+    } else {
+        qemu_del_wait_object(e->event, (IOHandler *)handler, e);
+        return 0;
+    }
+}
+
+int event_notifier_set(EventNotifier *e)
+{
+    SetEvent(e->event);
+    return 0;
+}
+
+int event_notifier_test_and_clear(EventNotifier *e)
+{
+    int ret = WaitForSingleObject(e->event, 0);
+    if (ret == WAIT_OBJECT_0) {
+        ResetEvent(e->event);
+        return true;
+    }
+    return false;
+}

diff --git a/event_notifier.h b/event_notifier.h
index f0ec2f2171bb09bdb4f36121805015392f98045d..b283a497ce92138367622c9fc6f7fbce00494e67 100644 (file)
--- a/event_notifier.h
+++ b/event_notifier.h
@@ -15,18 +15,31 @@
 
 #include "qemu-common.h"
 
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 struct EventNotifier {
+#ifdef _WIN32
+    HANDLE event;
+#else
     int fd;
+#endif
 };
 
 typedef void EventNotifierHandler(EventNotifier *);
 
-void event_notifier_init_fd(EventNotifier *, int fd);
 int event_notifier_init(EventNotifier *, int active);
 void event_notifier_cleanup(EventNotifier *);
-int event_notifier_get_fd(EventNotifier *);
 int event_notifier_set(EventNotifier *);
 int event_notifier_test_and_clear(EventNotifier *);
 int event_notifier_set_handler(EventNotifier *, EventNotifierHandler *);
 
+#ifdef CONFIG_POSIX
+void event_notifier_init_fd(EventNotifier *, int fd);
+int event_notifier_get_fd(EventNotifier *);
+#else
+HANDLE event_notifier_get_handle(EventNotifier *);
+#endif
+
 #endif

diff --git a/qemu-os-win32.h b/qemu-os-win32.h
index 8ba466dbfbc11e6775441e91cd32008a7178cc17..d0e9234d24c92c9c3b9f7cd199e2faa79cc5ea26 100644 (file)
--- a/qemu-os-win32.h
+++ b/qemu-os-win32.h
@@ -28,7 +28,6 @@
 
 #include <windows.h>
 #include <winsock2.h>
-#include "main-loop.h"
 
 /* Workaround for older versions of MinGW. */
 #ifndef ECONNREFUSED