[Qemu-devel] [PATCH V2] Use clean shutdown request for ctrl-a x

[Fabien Chouteau <chouteau@adacore.com>]

The goal is to make ctrl-a x to close Qemu in a clean way. The current
exit(0) skips a lot of cleanup/close functions, for example in block
drivers.

Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
---
 qemu-char.c |    2 +-
 sysemu.h    |    1 +
 vl.c        |    5 +++++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/qemu-char.c b/qemu-char.c
index c2aaaee..7732846 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -353,7 +353,7 @@ static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
             {
                  const char *term =  "QEMU: Terminated\n\r";
                  chr->chr_write(chr,(uint8_t *)term,strlen(term));
-                 exit(0);
+                 qemu_system_force_shutdown();
                  break;
             }
         case 's':
diff --git a/sysemu.h b/sysemu.h
index bc2c788..2b2c354 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -50,6 +50,7 @@ void qemu_register_suspend_notifier(Notifier *notifier);
 void qemu_system_wakeup_request(WakeupReason reason);
 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
 void qemu_register_wakeup_notifier(Notifier *notifier);
+void qemu_system_force_shutdown(void);
 void qemu_system_shutdown_request(void);
 void qemu_system_powerdown_request(void);
 void qemu_system_debug_request(void);
diff --git a/vl.c b/vl.c
index 1329c30..bd27583 100644
--- a/vl.c
+++ b/vl.c
@@ -1477,6 +1477,11 @@ void qemu_system_killed(int signal, pid_t pid)
 {
     shutdown_signal = signal;
     shutdown_pid = pid;
+    qemu_system_force_shutdown();
+}
+
+void qemu_system_force_shutdown(void)
+{
     no_shutdown = 0;
     qemu_system_shutdown_request();
 }
-- 
1.7.9.5