syscall_darwin_amd64.go 1.6 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768
  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. func setTimespec(sec, nsec int64) Timespec {
  11. return Timespec{Sec: sec, Nsec: nsec}
  12. }
  13. func setTimeval(sec, usec int64) Timeval {
  14. return Timeval{Sec: sec, Usec: int32(usec)}
  15. }
  16. //sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
  17. func Gettimeofday(tv *Timeval) (err error) {
  18. // The tv passed to gettimeofday must be non-nil
  19. // but is otherwise unused. The answers come back
  20. // in the two registers.
  21. sec, usec, err := gettimeofday(tv)
  22. tv.Sec = sec
  23. tv.Usec = usec
  24. return err
  25. }
  26. func SetKevent(k *Kevent_t, fd, mode, flags int) {
  27. k.Ident = uint64(fd)
  28. k.Filter = int16(mode)
  29. k.Flags = uint16(flags)
  30. }
  31. func (iov *Iovec) SetLen(length int) {
  32. iov.Len = uint64(length)
  33. }
  34. func (msghdr *Msghdr) SetControllen(length int) {
  35. msghdr.Controllen = uint32(length)
  36. }
  37. func (cmsg *Cmsghdr) SetLen(length int) {
  38. cmsg.Len = uint32(length)
  39. }
  40. func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
  41. var length = uint64(count)
  42. _, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
  43. written = int(length)
  44. if e1 != 0 {
  45. err = e1
  46. }
  47. return
  48. }
  49. func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
  50. // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
  51. // of darwin/amd64 the syscall is called sysctl instead of __sysctl.
  52. const SYS___SYSCTL = SYS_SYSCTL