From aca530bc5bf975f670ce7e51b75f8c65f79ce858 Mon Sep 17 00:00:00 2001
From: Kyle Evans <kevans@FreeBSD.org>
Date: Tue, 1 May 2018 23:50:15 -0500
Subject: [PATCH] Use shared memory instead of temp files on FreeBSD-compatible
 OS

---
 uwac/libuwac/uwac-os.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/uwac/libuwac/uwac-os.c b/uwac/libuwac/uwac-os.c
index ec9efe47b..212e19548 100644
--- a/uwac/libuwac/uwac-os.c
+++ b/uwac/libuwac/uwac-os.c
@@ -29,8 +29,15 @@
 
 #define _GNU_SOURCE
 
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+#define USE_SHM
+#endif
+
 #include <sys/types.h>
 #include <sys/socket.h>
+#ifdef USE_SHM
+#include <sys/mman.h>
+#endif
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
@@ -153,7 +160,9 @@ static int create_tmpfile_cloexec(char *tmpname)
 {
 	int fd;
 
-#ifdef HAVE_MKOSTEMP
+#ifdef USE_SHM
+	fd = shm_open(SHM_ANON, O_CREAT | O_RDWR, 0600);
+#elif defined(HAVE_MKOSTEMP)
 	fd = mkostemp(tmpname, O_CLOEXEC);
 	if (fd >= 0)
 		unlink(tmpname);