vl.c: Introduce getter for shutdown_requested and reset_requested.

Introduce two functions qemu_shutdown_requested_get and
qemu_reset_requested_get to get the value of shutdown/reset_requested
without reset it.
Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
Signed-off-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NAlexander Graf <agraf@suse.de>

sysemu.h

@@ -42,6 +42,8 @@ void qemu_system_shutdown_request(void);
 void qemu_system_powerdown_request(void);
 void qemu_system_debug_request(void);
 void qemu_system_vmstop_request(int reason);
+int qemu_shutdown_requested_get(void);
+int qemu_reset_requested_get(void);
 int qemu_shutdown_requested(void);
 int qemu_reset_requested(void);
 int qemu_powerdown_requested(void);

vl.c

@@ -1161,6 +1161,16 @@ static int powerdown_requested;
 static int debug_requested;
 static int vmstop_requested;
 
+int qemu_shutdown_requested_get(void)
+{
+    return shutdown_requested;
+}
+
+int qemu_reset_requested_get(void)
+{
+    return reset_requested;
+}
+
 int qemu_shutdown_requested(void)
 {
     int r = shutdown_requested;