github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/sys/unix/syscall_freebsd_arm.go (about)

     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  // +build arm,freebsd
     6  
     7  package unix
     8  
     9  import (
    10  	"syscall"
    11  	"unsafe"
    12  )
    13  
    14  func Getpagesize() int { return 4096 }
    15  
    16  func TimespecToNsec(ts Timespec) int64 { return ts.Sec*1e9 + int64(ts.Nsec) }
    17  
    18  func NsecToTimespec(nsec int64) (ts Timespec) {
    19  	ts.Sec = nsec / 1e9
    20  	ts.Nsec = int32(nsec % 1e9)
    21  	return
    22  }
    23  
    24  func TimevalToNsec(tv Timeval) int64 { return tv.Sec*1e9 + int64(tv.Usec)*1e3 }
    25  
    26  func NsecToTimeval(nsec int64) (tv Timeval) {
    27  	nsec += 999 // round up to microsecond
    28  	tv.Usec = int32(nsec % 1e9 / 1e3)
    29  	tv.Sec = nsec / 1e9
    30  	return
    31  }
    32  
    33  func SetKevent(k *Kevent_t, fd, mode, flags int) {
    34  	k.Ident = uint32(fd)
    35  	k.Filter = int16(mode)
    36  	k.Flags = uint16(flags)
    37  }
    38  
    39  func (iov *Iovec) SetLen(length int) {
    40  	iov.Len = uint32(length)
    41  }
    42  
    43  func (msghdr *Msghdr) SetControllen(length int) {
    44  	msghdr.Controllen = uint32(length)
    45  }
    46  
    47  func (cmsg *Cmsghdr) SetLen(length int) {
    48  	cmsg.Len = uint32(length)
    49  }
    50  
    51  func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
    52  	var writtenOut uint64 = 0
    53  	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0)
    54  
    55  	written = int(writtenOut)
    56  
    57  	if e1 != 0 {
    58  		err = e1
    59  	}
    60  	return
    61  }
    62  
    63  func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)