Fix tests on ARM

unix/linux/types.go

@@ -3848,6 +3848,8 @@ const (
 	IPC_EXCL    = C.IPC_EXCL
 	IPC_NOWAIT  = C.IPC_NOWAIT
 	IPC_PRIVATE = C.IPC_PRIVATE
+
+	ipc_64 = C.IPC_64
 )
 
 const (

unix/sysvshm_linux.go

@@ -0,0 +1,20 @@
+// Copyright 2021 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.
+
+//go:build linux
+// +build linux
+
+package unix
+
+import "runtime"
+
+// SysvShmCtl performs control operations on the shared memory segment
+// specified by id.
+func SysvShmCtl(id, cmd int, desc *SysvShmDesc) (result int, err error) {
+	if runtime.GOARCH == "arm" {
+		cmd |= ipc_64
+	}
+
+	return shmctl(id, cmd, desc)
+}

unix/sysvshm_unix.go

@@ -42,11 +42,7 @@ func SysvShmAttach(id int, addr uintptr, flag int) ([]byte, error) {
 	return b, nil
 }
 
-// SysvShmCtl performs control operations on the shared memory segment
-// specified by id.
-func SysvShmCtl(id, cmd int, desc *SysvShmDesc) (result int, err error) {
-	return shmctl(id, cmd, desc)
-}
+
 
 // SysvShmDetach unmaps the shared memory slice returned from SysvShmAttach.
 //

unix/sysvshm_unix_other.go

@@ -0,0 +1,12 @@
+// Copyright 2021 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.
+
+//go:build (darwin && amd64)
+// +build darwin,amd64
+
+// SysvShmCtl performs control operations on the shared memory segment
+// specified by id.
+func SysvShmCtl(id, cmd int, desc *SysvShmDesc) (result int, err error) {
+	return shmctl(id, cmd, desc)
+}

unix/ztypes_linux.go

@@ -3942,6 +3942,8 @@ const (
 	IPC_EXCL    = 0x400
 	IPC_NOWAIT  = 0x800
 	IPC_PRIVATE = 0x0
+
+	ipc_64 = 0x100
 )
 
 const (