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unix: add sendfile support on Solaris

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Same was done in CL 7940 for the syscall package.

Fixes golang/go#10838

Change-Id: I98efa99f57f21bdcdbfb117af66f673e37767fec
Reviewed-on: https://go-review.googlesource.com/103335
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2018-03-29 13:14:28 +00:00
committed by Tobias Klauser
parent 13d03a9a82
commit 2de2067aa5
3 changed files with 13 additions and 5 deletions
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unix/zsyscall_solaris_amd64.go
+12
View File
@@ -128,6 +128,7 @@ import (
//go:cgo_import_dynamic libc___xnet_connect __xnet_connect "libsocket.so"
//go:cgo_import_dynamic libc_mmap mmap "libc.so"
//go:cgo_import_dynamic libc_munmap munmap "libc.so"
//go:cgo_import_dynamic libc_sendfile sendfile "libsendfile.so"
//go:cgo_import_dynamic libc___xnet_sendto __xnet_sendto "libsocket.so"
//go:cgo_import_dynamic libc___xnet_socket __xnet_socket "libsocket.so"
//go:cgo_import_dynamic libc___xnet_socketpair __xnet_socketpair "libsocket.so"
@@ -255,6 +256,7 @@ import (
//go:linkname proc__xnet_connect libc___xnet_connect
//go:linkname procmmap libc_mmap
//go:linkname procmunmap libc_munmap
//go:linkname procsendfile libc_sendfile
//go:linkname proc__xnet_sendto libc___xnet_sendto
//go:linkname proc__xnet_socket libc___xnet_socket
//go:linkname proc__xnet_socketpair libc___xnet_socketpair
@@ -383,6 +385,7 @@ var (
proc__xnet_connect,
procmmap,
procmunmap,
procsendfile,
proc__xnet_sendto,
proc__xnet_socket,
proc__xnet_socketpair,
@@ -1589,6 +1592,15 @@ func munmap(addr uintptr, length uintptr) (err error) {
return
}
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procsendfile)), 4, uintptr(outfd), uintptr(infd), uintptr(unsafe.Pointer(offset)), uintptr(count), 0, 0)
written = int(r0)
if e1 != 0 {
err = e1
}
return
}
func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
var _p0 *byte
if len(buf) > 0 {