syscall_darwin_arm.go 1.7 KB

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