Merge remote-tracking branch 'kwolf/for-anthony' into staging

* kwolf/for-anthony: (39 commits)
  qemu-iotests: add 036 autoclear feature bit test
  qemu-iotests: add qcow2.py set-feature-bit command
  fdc-test: introduced qtest read_without_media
  fdc: fix implied seek while there is no media in drive
  qcow2: fix autoclear image header update
  xen: Don't peek behind the BlockDriverState abstraction
  xen: Don't change -drive if=xen device name during machine init
  block: Replace bdrv_get_format() by bdrv_get_format_name()
  qemu-img: document qed format on qemu-img man page
  qemu-iotests: COW with many AIO requests on the same cluster
  qemu-iotests: Some backing file COW tests
  qcow2: Fix avail_sectors in cluster allocation code
  qcow2: Simplify calculation for COW area at the end
  qcow2: always operate caches in writeback mode
  ide: support enable/disable write cache
  block: always open drivers in writeback mode
  block: add bdrv_set_enable_write_cache
  block: copy enable_write_cache in bdrv_append
  savevm: flush after saving vm state
  block: flush in writethrough mode after writes
  ...

1 files changed, 7 insertions, 1 deletions

diff --git a/os-win32.c b/os-win32.c
index ad76370c7c..13892ba320 100644
--- a/os-win32.c
+++ b/os-win32.c
@@ -57,7 +57,13 @@ int setenv(const char *name, const char *value, int overwrite)
 
 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
 {
-    exit(STATUS_CONTROL_C_EXIT);
+    qemu_system_shutdown_request();
+    /* Windows 7 kills application when the function returns.
+       Sleep here to give QEMU a try for closing.
+       Sleep period is 10000ms because Windows kills the program
+       after 10 seconds anyway. */
+    Sleep(10000);
+
     return TRUE;
 }