gnutls-serv: use only async-signal-safe functions in signal handler

Spotted by gcc analyzer:
  serv.c:1138:9: warning: call to 'exit' from within signal handler [CWE-479] [-Wanalyzer-unsafe-call-within-signal-handler]
   1138 |         exit(1);
        |         ^~~~~~~

Signed-off-by: Daiki Ueno <ueno@gnu.org>

diff --git a/src/serv.c b/src/serv.c
index 258af18d81011fba83cdcde3de543a21f87d99b5..4a61ce619b464b9bdbaf29ad1bfb02bb1322d915 100644 (file)
--- a/src/serv.c
+++ b/src/serv.c
@@ -1135,7 +1135,7 @@ static void terminate(int sig)
        *p++ = '\n';
 
        write(STDERR_FILENO, buf, p - buf);
-       exit(1);
+       _exit(1);
 }