diff options
Diffstat (limited to 'src/net/tcpsockopt_dragonfly.go')
-rw-r--r-- | src/net/tcpsockopt_dragonfly.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/net/tcpsockopt_dragonfly.go b/src/net/tcpsockopt_dragonfly.go new file mode 100644 index 000000000..0aa213239 --- /dev/null +++ b/src/net/tcpsockopt_dragonfly.go @@ -0,0 +1,26 @@ +// 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 ( + "os" + "syscall" + "time" +) + +func setKeepAlivePeriod(fd *netFD, d time.Duration) error { + if err := fd.incref(); err != nil { + return err + } + defer fd.decref() + // The kernel expects milliseconds so round to next highest + // millisecond. + d += (time.Millisecond - time.Nanosecond) + msecs := int(d / time.Millisecond) + if err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, msecs); err != nil { + return os.NewSyscallError("setsockopt", err) + } + return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, msecs)) +} |