From 6d9dd838e439bbc730d12ce81214046cde9227dd Mon Sep 17 00:00:00 2001
From: Nolan Prescott <mail@nprescott.com>
Date: Sun, 7 Feb 2021 00:51:10 -0500
Subject: [PATCH] ignore SIGCHLD to prevent CGI zombies

with nothing waiting on the forked processes there is no reason not to
reap the CGI process on exit

intended to address issue from mailing list "gmnisrv uses too many
tasks" <163806E8-A16A-463E-8C62-43E903EF1E35@librem.one>
---
 src/serve.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/serve.c b/src/serve.c
index e891d42..4b63dde 100644
--- a/src/serve.c
+++ b/src/serve.c
@@ -5,6 +5,7 @@
 #include <fcntl.h>
 #include <libgen.h>
 #include <limits.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
@@ -141,6 +142,7 @@ serve_cgi(struct gmnisrv_client *client, const char *path,
 		return;
 	}
 
+	signal(SIGCHLD, SIG_IGN);
 	pid_t pid = fork();
 	if (pid == -1) {
 		server_error("fork: %s", strerror(errno));