cgi add generic wait as antizombie defence

Signed-off-by: Andy Green <andy@warmcat.com>

diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index 60da78efda3c5adb2641abc17196a15e3e88a2cc..400f65598495de9d061655f5be8b05f67e02eb77 100644 (file)
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -2305,6 +2305,11 @@ lws_cgi_kill_terminated(struct lws_context_per_thread *pt)
        }
 #endif
 
+       /* general anti zombie defence */
+       n = waitpid(-1, &status, WNOHANG);
+       if (n > 0)
+               lwsl_notice("%s: anti-zombie wait says %d\n", __func__, n);
+
        return 0;
 }
 #endif