syscall_dragonfly_amd64.go

     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  //go:build amd64 && dragonfly
     6  
     7  package unix
     8  
     9  import (
    10  	"syscall"
    11  	"unsafe"
    12  )
    13  
    14  func setTimespec(sec, nsec int64) Timespec {
    15  	return Timespec{Sec: sec, Nsec: nsec}
    16  }
    17  
    18  func setTimeval(sec, usec int64) Timeval {
    19  	return Timeval{Sec: sec, Usec: usec}
    20  }
    21  
    22  func SetKevent(k *Kevent_t, fd, mode, flags int) {
    23  	k.Ident = uint64(fd)
    24  	k.Filter = int16(mode)
    25  	k.Flags = uint16(flags)
    26  }
    27  
    28  func (iov *Iovec) SetLen(length int) {
    29  	iov.Len = uint64(length)
    30  }
    31  
    32  func (msghdr *Msghdr) SetControllen(length int) {
    33  	msghdr.Controllen = uint32(length)
    34  }
    35  
    36  func (msghdr *Msghdr) SetIovlen(length int) {
    37  	msghdr.Iovlen = int32(length)
    38  }
    39  
    40  func (cmsg *Cmsghdr) SetLen(length int) {
    41  	cmsg.Len = uint32(length)
    42  }
    43  
    44  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    45  	var writtenOut uint64 = 0
    46  	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0)
    47  
    48  	written = int(writtenOut)
    49  
    50  	if e1 != 0 {
    51  		err = e1
    52  	}
    53  	return
    54  }
    55  
    56  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
    57
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