зеркало из https://github.com/golang/sys.git
69 строки
1.7 KiB
Go
69 строки
1.7 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build 386,darwin
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package unix
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import (
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"syscall"
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"unsafe"
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)
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func setTimespec(sec, nsec int64) Timespec {
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return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
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}
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func setTimeval(sec, usec int64) Timeval {
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return Timeval{Sec: int32(sec), Usec: int32(usec)}
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}
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//sysnb gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
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func Gettimeofday(tv *Timeval) (err error) {
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// The tv passed to gettimeofday must be non-nil
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// but is otherwise unused. The answers come back
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// in the two registers.
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sec, usec, err := gettimeofday(tv)
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tv.Sec = int32(sec)
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tv.Usec = int32(usec)
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return err
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}
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func SetKevent(k *Kevent_t, fd, mode, flags int) {
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k.Ident = uint32(fd)
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k.Filter = int16(mode)
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k.Flags = uint16(flags)
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}
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func (iov *Iovec) SetLen(length int) {
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iov.Len = uint32(length)
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}
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func (msghdr *Msghdr) SetControllen(length int) {
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msghdr.Controllen = uint32(length)
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}
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func (cmsg *Cmsghdr) SetLen(length int) {
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cmsg.Len = uint32(length)
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}
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func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
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var length = uint64(count)
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_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
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written = int(length)
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if e1 != 0 {
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err = e1
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}
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return
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}
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func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
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// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
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// of darwin/386 the syscall is called sysctl instead of __sysctl.
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const SYS___SYSCTL = SYS_SYSCTL
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