syscall_freebsd_386.mx raw

   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  
   5  package syscall
   6  
   7  import "unsafe"
   8  
   9  func setTimespec(sec, nsec int64) Timespec {
  10  	return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
  11  }
  12  
  13  func setTimeval(sec, usec int64) Timeval {
  14  	return Timeval{Sec: int32(sec), Usec: int32(usec)}
  15  }
  16  
  17  func SetKevent(k *Kevent_t, fd, mode, flags int) {
  18  	k.Ident = uint32(fd)
  19  	k.Filter = int16(mode)
  20  	k.Flags = uint16(flags)
  21  }
  22  
  23  func (iov *Iovec) SetLen(length int) {
  24  	iov.Len = uint32(length)
  25  }
  26  
  27  func (msghdr *Msghdr) SetControllen(length int) {
  28  	msghdr.Controllen = uint32(length)
  29  }
  30  
  31  func (cmsg *Cmsghdr) SetLen(length int) {
  32  	cmsg.Len = uint32(length)
  33  }
  34  
  35  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
  36  	var writtenOut uint64 = 0
  37  	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0)
  38  
  39  	// For some reason on the freebsd-386 builder writtenOut
  40  	// is modified when the system call returns EINVAL.
  41  	// The man page says that the value is only written for
  42  	// success, EINTR, or EAGAIN, so only use those cases.
  43  	if e1 == 0 || e1 == EINTR || e1 == EAGAIN {
  44  		written = int(writtenOut)
  45  	}
  46  
  47  	if e1 != 0 {
  48  		err = e1
  49  	}
  50  	return
  51  }
  52  
  53  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic
  54