diff options
author | Kevin Krakauer <krakauer@google.com> | 2019-06-12 15:21:22 -0700 |
---|---|---|
committer | Kevin Krakauer <krakauer@google.com> | 2019-06-12 15:21:22 -0700 |
commit | 0bbbcafd68154e7c7b46692b84a39fb6bb5f1568 (patch) | |
tree | d8fba01ad76900715665b0418a786de2d77e2a05 /pkg/sentry/memutil | |
parent | 06a83df533244dc2b3b8adfc1bf0608d3753c1d9 (diff) | |
parent | 70578806e8d3e01fae2249b3e602cd5b05d378a0 (diff) |
Merge branch 'master' into iptables-1-pkg
Change-Id: I7457a11de4725e1bf3811420c505d225b1cb6943
Diffstat (limited to 'pkg/sentry/memutil')
-rw-r--r-- | pkg/sentry/memutil/BUILD | 14 | ||||
-rw-r--r-- | pkg/sentry/memutil/memutil.go | 16 | ||||
-rw-r--r-- | pkg/sentry/memutil/memutil_unsafe.go | 39 |
3 files changed, 0 insertions, 69 deletions
diff --git a/pkg/sentry/memutil/BUILD b/pkg/sentry/memutil/BUILD deleted file mode 100644 index 68b03d4cc..000000000 --- a/pkg/sentry/memutil/BUILD +++ /dev/null @@ -1,14 +0,0 @@ -load("//tools/go_stateify:defs.bzl", "go_library") - -package(licenses = ["notice"]) - -go_library( - name = "memutil", - srcs = [ - "memutil.go", - "memutil_unsafe.go", - ], - importpath = "gvisor.googlesource.com/gvisor/pkg/sentry/memutil", - visibility = ["//pkg/sentry:internal"], - deps = ["@org_golang_x_sys//unix:go_default_library"], -) diff --git a/pkg/sentry/memutil/memutil.go b/pkg/sentry/memutil/memutil.go deleted file mode 100644 index a4154c42a..000000000 --- a/pkg/sentry/memutil/memutil.go +++ /dev/null @@ -1,16 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package memutil contains the utility functions for memory operations. -package memutil diff --git a/pkg/sentry/memutil/memutil_unsafe.go b/pkg/sentry/memutil/memutil_unsafe.go deleted file mode 100644 index 92eab8a26..000000000 --- a/pkg/sentry/memutil/memutil_unsafe.go +++ /dev/null @@ -1,39 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package memutil - -import ( - "fmt" - "syscall" - "unsafe" - - "golang.org/x/sys/unix" -) - -// CreateMemFD creates a memfd file and returns the fd. -func CreateMemFD(name string, flags int) (int, error) { - p, err := syscall.BytePtrFromString(name) - if err != nil { - return -1, err - } - fd, _, e := syscall.Syscall(unix.SYS_MEMFD_CREATE, uintptr(unsafe.Pointer(p)), uintptr(flags), 0) - if e != 0 { - if e == syscall.ENOSYS { - return -1, fmt.Errorf("memfd_create(2) is not implemented. Check that you have Linux 3.17 or higher") - } - return -1, e - } - return int(fd), nil -} |