diff options
Diffstat (limited to 'src/net/sys_cloexec.go')
-rw-r--r-- | src/net/sys_cloexec.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/net/sys_cloexec.go b/src/net/sys_cloexec.go new file mode 100644 index 0000000..967b8be --- /dev/null +++ b/src/net/sys_cloexec.go @@ -0,0 +1,36 @@ +// Copyright 2013 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. + +// This file implements sysSocket and accept for platforms that do not +// provide a fast path for setting SetNonblock and CloseOnExec. + +// +build aix darwin solaris,!illumos + +package net + +import ( + "internal/poll" + "os" + "syscall" +) + +// Wrapper around the socket system call that marks the returned file +// descriptor as nonblocking and close-on-exec. +func sysSocket(family, sotype, proto int) (int, error) { + // See ../syscall/exec_unix.go for description of ForkLock. + syscall.ForkLock.RLock() + s, err := socketFunc(family, sotype, proto) + if err == nil { + syscall.CloseOnExec(s) + } + syscall.ForkLock.RUnlock() + if err != nil { + return -1, os.NewSyscallError("socket", err) + } + if err = syscall.SetNonblock(s, true); err != nil { + poll.CloseFunc(s) + return -1, os.NewSyscallError("setnonblock", err) + } + return s, nil +} |