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authorDenis V. Lunev <den@openvz.org>2016-03-16 14:36:51 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2016-03-31 09:48:59 +0100
commitacc6809ddc45dd9a896c53ec7b61e66604923cd7 (patch)
tree71c05a099c728bbf38bfd7b7f457c747ac078663 /trace/control.c
parentab8eb29c4a221fe365e3d1b4744c6992ba5f11bd (diff)
downloadfocaccia-qemu-acc6809ddc45dd9a896c53ec7b61e66604923cd7.tar.gz
focaccia-qemu-acc6809ddc45dd9a896c53ec7b61e66604923cd7.zip
trace: do not always call exit() in trace_enable_events
The problem is that
  virsh qemu-monitor-command --hmp VM log trace:help
forces QEMU to exit even when running VM normally.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1458128212-4197-2-git-send-email-den@openvz.org
CC: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'trace/control.c')
-rw-r--r--trace/control.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/trace/control.c b/trace/control.c
index ccddda537f..d099f735d5 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -20,6 +20,7 @@
 #include "qemu/log.h"
 #endif
 #include "qemu/error-report.h"
+#include "monitor/monitor.h"
 
 int trace_events_enabled_count;
 bool trace_events_dstate[TRACE_EVENT_COUNT];
@@ -132,7 +133,9 @@ void trace_enable_events(const char *line_buf)
 {
     if (is_help_option(line_buf)) {
         trace_list_events();
-        exit(0);
+        if (cur_mon == NULL) {
+            exit(0);
+        }
     } else {
         do_trace_enable_events(line_buf);
     }