util.pposix: Ask for shared file descriptor table using rfork() on *B…

…SD (fixes #412)
bjc · May 25, 2016 · f6d29ba · f6d29ba
1 parent 884ef2b
commit f6d29ba
Showing 1 changed file with 13 additions and 0 deletions.
diff --git 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) {