Source file src/syscall/syscall_darwin_amd64.go

Documentation: syscall

  // Copyright 2009 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 syscall
  
  import "unsafe"
  
  func setTimespec(sec, nsec int64) Timespec {
  	return Timespec{Sec: sec, Nsec: nsec}
  }
  
  func setTimeval(sec, usec int64) Timeval {
  	return Timeval{Sec: sec, Usec: int32(usec)}
  }
  
  //sysnb	gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
  func Gettimeofday(tv *Timeval) error {
  	// The tv passed to gettimeofday must be non-nil.
  	// Before macOS Sierra (10.12), tv was otherwise unused and
  	// the answers came back in the two registers.
  	// As of Sierra, gettimeofday return zeros and populates
  	// tv itself.
  	sec, usec, err := gettimeofday(tv)
  	if err != nil {
  		return err
  	}
  	if sec != 0 || usec != 0 {
  		tv.Sec = sec
  		tv.Usec = usec
  	}
  	return nil
  }
  
  func SetKevent(k *Kevent_t, fd, mode, flags int) {
  	k.Ident = uint64(fd)
  	k.Filter = int16(mode)
  	k.Flags = uint16(flags)
  }
  
  func (iov *Iovec) SetLen(length int) {
  	iov.Len = uint64(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 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
  
  	written = int(length)
  
  	if e1 != 0 {
  		err = e1
  	}
  	return
  }
  
  func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
  

View as plain text