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Source file src/syscall/syscall_darwin_arm.go

Documentation: syscall

  // Copyright 2014 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: int32(sec), Nsec: int32(nsec)}
  }
  
  func setTimeval(sec, usec int64) Timeval {
  	return Timeval{Sec: int32(sec), Usec: int32(usec)}
  }
  
  //sysnb	gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
  func Gettimeofday(tv *Timeval) error {
  	// The tv passed to gettimeofday must be non-nil
  	// but is otherwise unused. The answers come back
  	// in the two registers.
  	sec, usec, err := gettimeofday(tv)
  	if err != nil {
  		return err
  	}
  	if sec != 0 || usec != 0 {
  		tv.Sec = int32(sec)
  		tv.Usec = int32(usec)
  	}
  	return nil
  }
  
  func SetKevent(k *Kevent_t, fd, mode, flags int) {
  	k.Ident = uint32(fd)
  	k.Filter = int16(mode)
  	k.Flags = uint16(flags)
  }
  
  func (iov *Iovec) SetLen(length int) {
  	iov.Len = uint32(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 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
  
  	written = int(length)
  
  	if e1 != 0 {
  		err = e1
  	}
  	return
  }
  
  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic
  

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