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-rw-r--r--src/net/tcpsockopt_darwin.go25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/net/tcpsockopt_darwin.go b/src/net/tcpsockopt_darwin.go
new file mode 100644
index 0000000..53c6756
--- /dev/null
+++ b/src/net/tcpsockopt_darwin.go
@@ -0,0 +1,25 @@
+// Copyright 2009 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.
+
+package net
+
+import (
+ "runtime"
+ "syscall"
+ "time"
+)
+
+// syscall.TCP_KEEPINTVL is missing on some darwin architectures.
+const sysTCP_KEEPINTVL = 0x101
+
+func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
+ // The kernel expects seconds so round to next highest second.
+ secs := int(roundDurationUp(d, time.Second))
+ if err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, sysTCP_KEEPINTVL, secs); err != nil {
+ return wrapSyscallError("setsockopt", err)
+ }
+ err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE, secs)
+ runtime.KeepAlive(fd)
+ return wrapSyscallError("setsockopt", err)
+}