From 314702f86c9199957e40edfb73bcdbddb422f9d7 Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Fri, 24 Feb 2017 19:38:37 +0100
Subject: erts: Add nif ioq

---
 erts/emulator/beam/erl_drv_nif.h | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

(limited to 'erts/emulator/beam/erl_drv_nif.h')

diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h
index f88138063e..31b4817fb1 100644
--- a/erts/emulator/beam/erl_drv_nif.h
+++ b/erts/emulator/beam/erl_drv_nif.h
@@ -144,8 +144,25 @@ typedef signed int ErlNapiSInt;
 #define ERTS_NAPI_USEC__	2
 #define ERTS_NAPI_NSEC__	3
 
-#endif  /* __ERL_DRV_NIF_H__ */
-
-
-
+#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_))
+/*
+ * This structure can be cast to a WSABUF structure.
+ */
+typedef struct _SysIOVec {
+    unsigned long iov_len;
+    char* iov_base;
+} SysIOVec;
+#else  /* Unix */
+#  include <sys/types.h>
+#  ifdef HAVE_SYS_UIO_H
+#    include <sys/uio.h>
+typedef struct iovec SysIOVec;
+#  else
+typedef struct {
+    char* iov_base;
+    size_t iov_len;
+} SysIOVec;
+#  endif
+#endif
 
+#endif  /* __ERL_DRV_NIF_H__ */
-- 
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