github.com/neonyo/sys@v0.0.0-20230720094341-b1ee14be3ce8/unix/syscall_freebsd_amd64.go (about)

     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 && freebsd
     6  // +build amd64,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: nsec}
    17  }
    18  
    19  func setTimeval(sec, usec int64) Timeval {
    20  	return Timeval{Sec: sec, Usec: usec}
    21  }
    22  
    23  func SetKevent(k *Kevent_t, fd, mode, flags int) {
    24  	k.Ident = uint64(fd)
    25  	k.Filter = int16(mode)
    26  	k.Flags = uint16(flags)
    27  }
    28  
    29  func (iov *Iovec) SetLen(length int) {
    30  	iov.Len = uint64(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 (d *PtraceIoDesc) SetLen(length int) {
    46  	d.Len = uint64(length)
    47  }
    48  
    49  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    50  	var writtenOut uint64 = 0
    51  	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0)
    52  
    53  	written = int(writtenOut)
    54  
    55  	if e1 != 0 {
    56  		err = e1
    57  	}
    58  	return
    59  }
    60  
    61  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
    62  
    63  func PtraceGetFsBase(pid int, fsbase *int64) (err error) {
    64  	return ptracePtr(PT_GETFSBASE, pid, unsafe.Pointer(fsbase), 0)
    65  }