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[Xen-devel] [PATCH] nicely terminate the device model script



Nicely terminate the device model script, to let it properly clean
resources.

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>

diff -u b/tools/python/xen/xend/image.py b/tools/python/xen/xend/image.py
--- b/tools/python/xen/xend/image.py    Fri Jan 18 11:53:23 2008 +0000
+++ b/tools/python/xen/xend/image.py    Fri Jan 18 12:42:11 2008 +0000
@@ -325,7 +325,7 @@
             return
         if self.pid:
             try:
-                os.kill(self.pid, signal.SIGKILL)
+                os.kill(self.pid, signal.SIGTERM)
             except OSError, exn:
                 log.exception(exn)
             try:
only in patch2:
unchanged:
--- a/tools/ioemu/target-i386-dm/helper2.c      Thu Jan 17 16:22:30 2008 +0000
+++ b/tools/ioemu/target-i386-dm/helper2.c      Fri Jan 18 12:42:10 2008 +0000
@@ -637,6 +637,7 @@ int main_loop(void)
     int evtchn_fd = xce_handle == -1 ? -1 : xc_evtchn_fd(xce_handle);
     char qemu_file[PATH_MAX];
     fd_set fds;
+    int ret = 0;
 
     buffered_io_timer = qemu_new_timer(rt_clock, handle_buffered_io,
                                       cpu_single_env);
@@ -647,9 +648,14 @@ int main_loop(void)
 
     xenstore_record_dm_state("running");
     while (1) {
-        while (!(vm_running && suspend_requested))
+        while (!((vm_running && suspend_requested) || shutdown_requested))
             /* Wait up to 10 msec. */
             main_loop_wait(10);
+
+        if (shutdown_requested) {
+            ret = EXCP_INTERRUPT;
+            break;
+        }
 
         fprintf(logfile, "device model saving state\n");
 
@@ -676,7 +682,7 @@ int main_loop(void)
         xenstore_record_dm_state("running");
     }
 
-    return 0;
+    return ret;
 }
 
 void destroy_hvm_domain(void)

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