diff options
Diffstat (limited to 'src/net/tcpsockopt_darwin.go')
| -rw-r--r-- | src/net/tcpsockopt_darwin.go | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/net/tcpsockopt_darwin.go b/src/net/tcpsockopt_darwin.go index 33140849c..1f1609088 100644 --- a/src/net/tcpsockopt_darwin.go +++ b/src/net/tcpsockopt_darwin.go @@ -2,8 +2,6 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// TCP socket options for darwin - package net import ( @@ -12,16 +10,20 @@ import ( "time" ) -// Set keep alive period. +const sysTCP_KEEPINTVL = 0x101 + func setKeepAlivePeriod(fd *netFD, d time.Duration) error { if err := fd.incref(); err != nil { return err } defer fd.decref() - // The kernel expects seconds so round to next highest second. d += (time.Second - time.Nanosecond) secs := int(d.Seconds()) - + switch err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, sysTCP_KEEPINTVL, secs); err { + case nil, syscall.ENOPROTOOPT: // OS X 10.7 and earlier don't support this option + default: + return os.NewSyscallError("setsockopt", err) + } return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE, secs)) } |