According to [0], g_debug should not be used in a signal handler.
So, to avoid reentrancy, do not print debug message when quit is
called with SIGINT.

[0] 
https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/signal?view=vs-2019

Signed-off-by: Jakub Janků <jja...@redhat.com>
---
 spice/spice-webdavd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spice/spice-webdavd.c b/spice/spice-webdavd.c
index e494692..cdfa73d 100644
--- a/spice/spice-webdavd.c
+++ b/spice/spice-webdavd.c
@@ -237,7 +237,8 @@ static void mdns_unregister_service (void);
 static void
 quit (int sig)
 {
-  g_debug ("quit %d", sig);
+  if (sig != SIGINT)
+    g_debug ("quit %d", sig);
 
   if (sig == SIGINT || sig == SIGTERM)
       quit_service = TRUE;
-- 
2.21.0

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