From b721bebe663ca3abc747591b28726a367bdb9758 Mon Sep 17 00:00:00 2001
From: JP <jp@axonehf.com>
Date: Mon, 21 Sep 2015 22:52:46 +0000
Subject: erts: Fix sendfile:ing of large files on FreeBSD

If the file was larger than the OS send buffer the call
would fail before this patch.
---
 erts/emulator/drivers/unix/unix_efile.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'erts/emulator/drivers/unix/unix_efile.c')

diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c
index 06ba986044..61148dd58d 100644
--- a/erts/emulator/drivers/unix/unix_efile.c
+++ b/erts/emulator/drivers/unix/unix_efile.c
@@ -39,6 +39,11 @@
 #ifdef HAVE_SYS_UIO_H
 #include <sys/types.h>
 #include <sys/uio.h>
+#if defined(HAVE_SENDFILE) && (defined(__FreeBSD__) || defined(__DragonFly__))
+/* Need to define __BSD_VISIBLE in order to expose prototype of sendfile */
+#define __BSD_VISIBLE 1
+#include <sys/socket.h>
+#endif
 #endif
 #if defined(HAVE_SENDFILE) && (defined(__linux__) || (defined(__sun) && defined(__SVR4)))
 #include <sys/sendfile.h>
-- 
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