vendor/github.com/fsouza/go-dockerclient/external/golang.org/x/sys/unix/syscall_darwin_arm.go

   1 // Copyright 2015 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package unix
   6
   7 import (
   8         "syscall"
   9         "unsafe"
  10 )
  11
  12 func Getpagesize() int { return 4096 }
  13
  14 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
  15
  16 func NsecToTimespec(nsec int64) (ts Timespec) {
  17         ts.Sec = int32(nsec / 1e9)
  18         ts.Nsec = int32(nsec % 1e9)
  19         return
  20 }
  21
  22 func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
  23
  24 func NsecToTimeval(nsec int64) (tv Timeval) {
  25         nsec += 999 // round up to microsecond
  26         tv.Usec = int32(nsec % 1e9 / 1e3)
  27         tv.Sec = int32(nsec / 1e9)
  28         return
  29 }
  30
  31 //sysnb gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
  32 func Gettimeofday(tv *Timeval) (err error) {
  33         // The tv passed to gettimeofday must be non-nil
  34         // but is otherwise unused.  The answers come back
  35         // in the two registers.
  36         sec, usec, err := gettimeofday(tv)
  37         tv.Sec = int32(sec)
  38         tv.Usec = int32(usec)
  39         return err
  40 }
  41
  42 func SetKevent(k *Kevent_t, fd, mode, flags int) {
  43         k.Ident = uint32(fd)
  44         k.Filter = int16(mode)
  45         k.Flags = uint16(flags)
  46 }
  47
  48 func (iov *Iovec) SetLen(length int) {
  49         iov.Len = uint32(length)
  50 }
  51
  52 func (msghdr *Msghdr) SetControllen(length int) {
  53         msghdr.Controllen = uint32(length)
  54 }
  55
  56 func (cmsg *Cmsghdr) SetLen(length int) {
  57         cmsg.Len = uint32(length)
  58 }
  59
  60 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
  61         var length = uint64(count)
  62
  63         _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
  64
  65         written = int(length)
  66
  67         if e1 != 0 {
  68                 err = e1
  69         }
  70         return
  71 }
  72
  73 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic