From b3b60ea29adf9415c9c7b98ba331dacd92f231b7 Mon Sep 17 00:00:00 2001
From: Zach Koopmans <zkoopmans@google.com>
Date: Mon, 26 Nov 2018 09:49:53 -0800
Subject: Implementation of preadv2 for Linux 4.4 support

Implement RWF_HIPRI (4.6) silently passes the read call.
Implement -1 offset calls readv.

PiperOrigin-RevId: 222840324
Change-Id: If9ddc1e8d086e1a632bdf5e00bae08205f95b6b0
---
 pkg/abi/linux/file.go | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'pkg/abi/linux')

diff --git a/pkg/abi/linux/file.go b/pkg/abi/linux/file.go
index 72e5c6f83..8d48e1753 100644
--- a/pkg/abi/linux/file.go
+++ b/pkg/abi/linux/file.go
@@ -150,6 +150,13 @@ const (
 	PermissionsMask = 0777
 )
 
+// Values for preadv2/pwritev2.
+const (
+	RWF_HIPRI = 0x0001
+	RWF_DSYNC = 0X0002
+	RWF_SYNC  = 0x0004
+)
+
 // Stat represents struct stat.
 type Stat struct {
 	Dev      uint64
-- 
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