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author | gVisor bot <gvisor-bot@google.com> | 2019-06-10 22:42:41 +0000 |
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committer | gVisor bot <gvisor-bot@google.com> | 2019-06-10 22:42:41 +0000 |
commit | 8390a8227b571e82c42e3e90aa28a7b86f7e3f9b (patch) | |
tree | 8bfad5169182b7ba1c6ed5f3df0279729cc200b0 /pkg/sentry/memutil/memutil_unsafe.go | |
parent | 4f56f1bf2248bb17da8b269b4191218d85ce6587 (diff) | |
parent | a00157cc0e216a9829f2659ce35c856a22aa5ba2 (diff) |
Merge a00157cc (automated)
Diffstat (limited to 'pkg/sentry/memutil/memutil_unsafe.go')
-rw-r--r-- | pkg/sentry/memutil/memutil_unsafe.go | 39 |
1 files changed, 0 insertions, 39 deletions
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 -} |