syscall_freebsd_arm.go

     1  // Copyright 2012 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 arm && freebsd
     6  // +build arm,freebsd
     7  
     8  package unix
     9  
    10  import (
    11  	"syscall"
    12  	"unsafe"
    13  )
    14  
    15  func setTimespec(sec, nsec int64) Timespec {
    16  	return Timespec{Sec: sec, Nsec: int32(nsec)}
    17  }
    18  
    19  func setTimeval(sec, usec int64) Timeval {
    20  	return Timeval{Sec: sec, Usec: int32(usec)}
    21  }
    22  
    23  func SetKevent(k *Kevent_t, fd, mode, flags int) {
    24  	k.Ident = uint32(fd)
    25  	k.Filter = int16(mode)
    26  	k.Flags = uint16(flags)
    27  }
    28  
    29  func (iov *Iovec) SetLen(length int) {
    30  	iov.Len = uint32(length)
    31  }
    32  
    33  func (msghdr *Msghdr) SetControllen(length int) {
    34  	msghdr.Controllen = uint32(length)
    35  }
    36  
    37  func (msghdr *Msghdr) SetIovlen(length int) {
    38  	msghdr.Iovlen = int32(length)
    39  }
    40  
    41  func (cmsg *Cmsghdr) SetLen(length int) {
    42  	cmsg.Len = uint32(length)
    43  }
    44  
    45  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    46  	var writtenOut uint64 = 0
    47  	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0)
    48  
    49  	written = int(writtenOut)
    50  
    51  	if e1 != 0 {
    52  		err = e1
    53  	}
    54  	return
    55  }
    56  
    57  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
    58  
    59  func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
    60  	ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint32(countin)}
    61  	err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
    62  	return int(ioDesc.Len), err
    63  }
    64
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