@@ -11,11 +11,13 @@
*/
#include "qemu-common.h"
+#include "sysemu.h"
#include "event_notifier.h"
#include "qemu-char.h"
int event_notifier_init(EventNotifier *e, int active)
{
+#ifndef _WIN32
int fds[2];
int err;
if (qemu_eventfd (fds) < 0)
@@ -39,27 +41,50 @@ fail:
close(fds[0]);
close(fds[1]);
return err;
+#else
+ e->event = CreateEvent(NULL, FALSE, FALSE, NULL);
+ assert(e->event);
+ return 0;
+#endif
}
void event_notifier_cleanup(EventNotifier *e)
{
+#ifndef _WIN32
close(e->rfd);
close(e->wfd);
+#else
+ CloseHandle(e->event);
+#endif
}
int event_notifier_get_fd(EventNotifier *e)
{
+#ifndef _WIN32
return e->wfd;
+#else
+ abort();
+#endif
}
int event_notifier_set_handler(EventNotifier *e,
EventNotifierHandler *handler)
{
+#ifndef _WIN32
return qemu_set_fd_handler(e->rfd, (IOHandler *)handler, NULL, e);
+#else
+ if (handler) {
+ return qemu_add_wait_object(e->event, (IOHandler *)handler, e);
+ } else {
+ qemu_del_wait_object(e->event, (IOHandler *)handler, e);
+ return 0;
+ }
+#endif
}
int event_notifier_set(EventNotifier *e)
{
+#ifndef _WIN32
static const uint64_t value = 1;
ssize_t ret;
@@ -72,10 +97,15 @@ int event_notifier_set(EventNotifier *e)
return -1;
}
return 0;
+#else
+ SetEvent(e->event);
+ return 0;
+#endif
}
int event_notifier_test_and_clear(EventNotifier *e)
{
+#ifndef _WIN32
int value;
ssize_t len;
char buffer[512];
@@ -88,4 +118,7 @@ int event_notifier_test_and_clear(EventNotifier *e)
} while ((len == -1 && errno == EINTR) || len == sizeof(buffer));
return value;
+#else
+ return WaitForSingleObject(e->event, 0) == WAIT_OBJECT_0;
+#endif
}
@@ -3,9 +3,17 @@
#include "qemu-common.h"
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
struct EventNotifier {
+#ifdef _WIN32
+ HANDLE event;
+#else
int rfd;
int wfd;
+#endif
};
typedef void EventNotifierHandler(EventNotifier *);
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- Compile-tested only. iothread is broken anyway on Win32 due to missing implementation of qemu-threads. event_notifier.c | 33 +++++++++++++++++++++++++++++++++ event_notifier.h | 8 ++++++++ 2 files changed, 41 insertions(+), 0 deletions(-)