gcc/libgo/go/syscall/libcall_bsd.go
Ian Lance Taylor ee973155b2 re PR go/89447 (libgo largefile support is incomplete and inconsistent)
PR go/89447
    syscall, internal/syscall: adjust use of largefile functions
    
    Consistently call __go_openat for openat.  Use fstatat64, creat64,
    sendfile64, and getdents64 where needed.
    
    Based on patch by Rainer Orth.
    
    Fixes https://gcc.gnu.org/PR89447
    
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/166420

From-SVN: r269521
2019-03-09 02:10:22 +00:00

32 lines
668 B
Go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd netbsd openbsd solaris
// BSD library calls.
package syscall
import (
"internal/race"
"unsafe"
)
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
if race.Enabled {
race.ReleaseMerge(unsafe.Pointer(&ioSync))
}
var soff Offset_t
var psoff *Offset_t
if offset != nil {
soff = Offset_t(*offset)
psoff = &soff
}
written, err = sendfile(outfd, infd, psoff, count)
if offset != nil {
*offset = int64(soff)
}
return
}