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[v3] Prevent disk data loss when closing qemu

Message ID 001801cd3e2a$939386c0$baba9440$@Dovgaluk@ispras.ru
State New
Headers show

Commit Message

Pavel Dovgalyuk May 30, 2012, 6:08 a.m. UTC 
Prevent disk data loss when closing qemu console window
under Windows 7.

v3. Comment for Sleep() parameter was updated.

Signed-off-by: Pavel Dovgalyuk<pavel.dovgaluk@gmail.com>
---
 os-win32.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
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Patch

diff --git a/os-win32.c b/os-win32.c
index ad76370..13892ba 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;
 }