From 0fd7323ab79f69224bdd868ecabb2f3f6aed4e36 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Wed, 25 May 2016 21:34:34 +0200
Subject: util.pposix: Ask for shared file descriptor table using rfork() on
 *BSD (fixes #412)

---
 util-src/pposix.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'util-src')

diff --git a/util-src/pposix.c b/util-src/pposix.c
index 1b69852d..b48465d3 100644
--- a/util-src/pposix.c
+++ b/util-src/pposix.c
@@ -49,6 +49,19 @@
 #define WITH_MALLINFO
 #endif
 
+#if defined(RFPROC) && defined(EV_SET)
+/*
+ * On *BSD, calling fork() is equivalent to rfork(RFPROC | RFFDG).
+ *
+ * RFFDG being set means that the file descriptor table is copied,
+ * otherwise it's shared. We want the later, otherwise libevent gets
+ * messed up.
+ *
+ * See issue #412
+ */
+#define fork() rfork(RFPROC)
+#endif
+
 /* Daemonization support */
 
 static int lc_daemonize(lua_State* L) {
-- 
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