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Diffstat (limited to 'vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go')
-rw-r--r--vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go74
1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go b/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go
new file mode 100644
index 0000000..499164a
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go
@@ -0,0 +1,74 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build go1.9
+// +build linux
+
+package socket
+
+import (
+ "net"
+ "os"
+ "syscall"
+)
+
+func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) {
+ hs := make(mmsghdrs, len(ms))
+ var parseFn func([]byte, string) (net.Addr, error)
+ if c.network != "tcp" {
+ parseFn = parseInetAddr
+ }
+ if err := hs.pack(ms, parseFn, nil); err != nil {
+ return 0, err
+ }
+ var operr error
+ var n int
+ fn := func(s uintptr) bool {
+ n, operr = recvmmsg(s, hs, flags)
+ if operr == syscall.EAGAIN {
+ return false
+ }
+ return true
+ }
+ if err := c.c.Read(fn); err != nil {
+ return n, err
+ }
+ if operr != nil {
+ return n, os.NewSyscallError("recvmmsg", operr)
+ }
+ if err := hs[:n].unpack(ms[:n], parseFn, c.network); err != nil {
+ return n, err
+ }
+ return n, nil
+}
+
+func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) {
+ hs := make(mmsghdrs, len(ms))
+ var marshalFn func(net.Addr) []byte
+ if c.network != "tcp" {
+ marshalFn = marshalInetAddr
+ }
+ if err := hs.pack(ms, nil, marshalFn); err != nil {
+ return 0, err
+ }
+ var operr error
+ var n int
+ fn := func(s uintptr) bool {
+ n, operr = sendmmsg(s, hs, flags)
+ if operr == syscall.EAGAIN {
+ return false
+ }
+ return true
+ }
+ if err := c.c.Write(fn); err != nil {
+ return n, err
+ }
+ if operr != nil {
+ return n, os.NewSyscallError("sendmmsg", operr)
+ }
+ if err := hs[:n].unpack(ms[:n], nil, ""); err != nil {
+ return n, err
+ }
+ return n, nil
+}