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unix: support compiling with gccgo on linux/386

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Implement socketcall and rawsocketcall in addition to seek (already
introduced in CL 100076) to support compiling with gccgo on linux/386

Change-Id: Iaa51aa159a4743ae0e394f541ff196e2d28aa27f
Reviewed-on: https://go-review.googlesource.com/117697
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
2018-06-11 07:33:41 +00:00
committed by Tobias Klauser
parent 7c1e4f34a3
commit 24c297a8f3
4 changed files with 50 additions and 13 deletions
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unix/syscall_linux_386.go
-8
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@@ -10,7 +10,6 @@
package unix
import (
"syscall"
"unsafe"
)
@@ -157,10 +156,6 @@ func Setrlimit(resource int, rlim *Rlimit) (err error) {
return setrlimit(resource, &rl)
}
// Underlying system call writes to newoffset via pointer.
// Implemented in assembly to avoid allocation.
func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno)
func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
newoffset, errno := seek(fd, offset, whence)
if errno != 0 {
@@ -206,9 +201,6 @@ const (
_SENDMMSG = 20
)
func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (n int, err syscall.Errno)
func rawsocketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (n int, err syscall.Errno)
func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
fd, e := socketcall(_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0)
if e != 0 {