// Copyright 2015 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 unix import ( "syscall" "unsafe" ) func setTimespec(sec, nsec int64) Timespec { return Timespec{Sec: int32(sec), Nsec: int32(nsec)} } func setTimeval(sec, usec int64) Timeval { return Timeval{Sec: int32(sec), Usec: int32(usec)} } //sysnb gettimeofday(tp *Timeval) (sec int32, usec int32, err error) func Gettimeofday(tv *Timeval) (err error) { // The tv passed to gettimeofday must be non-nil // but is otherwise unused. The answers come back // in the two registers. sec, usec, err := gettimeofday(tv) tv.Sec = int32(sec) tv.Usec = int32(usec) return err } func SetKevent(k *Kevent_t, fd, mode, flags int) { k.Ident = uint32(fd) k.Filter = int16(mode) k.Flags = uint16(flags) } func (iov *Iovec) SetLen(length int) { iov.Len = uint32(length) } func (msghdr *Msghdr) SetControllen(length int) { msghdr.Controllen = uint32(length) } func (cmsg *Cmsghdr) SetLen(length int) { cmsg.Len = uint32(length) } func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { var length = uint64(count) _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0) written = int(length) if e1 != 0 { err = e1 } return } func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions // of darwin/arm the syscall is called sysctl instead of __sysctl. const SYS___SYSCTL = SYS_SYSCTL