syscall_darwin_amd64.go 1.9 KB

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  1. // Copyright 2009 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. // +build amd64,darwin
  5. package unix
  6. import (
  7. "syscall"
  8. "unsafe"
  9. )
  10. //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
  11. func Getpagesize() int { return 4096 }
  12. func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
  13. func NsecToTimespec(nsec int64) (ts Timespec) {
  14. ts.Sec = nsec / 1e9
  15. ts.Nsec = nsec % 1e9
  16. return
  17. }
  18. func NsecToTimeval(nsec int64) (tv Timeval) {
  19. nsec += 999 // round up to microsecond
  20. tv.Usec = int32(nsec % 1e9 / 1e3)
  21. tv.Sec = int64(nsec / 1e9)
  22. return
  23. }
  24. //sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
  25. func Gettimeofday(tv *Timeval) (err error) {
  26. // The tv passed to gettimeofday must be non-nil
  27. // but is otherwise unused. The answers come back
  28. // in the two registers.
  29. sec, usec, err := gettimeofday(tv)
  30. tv.Sec = sec
  31. tv.Usec = usec
  32. return err
  33. }
  34. func SetKevent(k *Kevent_t, fd, mode, flags int) {
  35. k.Ident = uint64(fd)
  36. k.Filter = int16(mode)
  37. k.Flags = uint16(flags)
  38. }
  39. func (iov *Iovec) SetLen(length int) {
  40. iov.Len = uint64(length)
  41. }
  42. func (msghdr *Msghdr) SetControllen(length int) {
  43. msghdr.Controllen = uint32(length)
  44. }
  45. func (cmsg *Cmsghdr) SetLen(length int) {
  46. cmsg.Len = uint32(length)
  47. }
  48. func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
  49. var length = uint64(count)
  50. _, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
  51. written = int(length)
  52. if e1 != 0 {
  53. err = e1
  54. }
  55. return
  56. }
  57. func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
  58. // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
  59. // of darwin/amd64 the syscall is called sysctl instead of __sysctl.
  60. const SYS___SYSCTL = SYS_SYSCTL