| 1 | //===---------- Linux implementation of the shm_open function -------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "src/sys/mman/shm_open.h" |
| 10 | #include "hdr/types/mode_t.h" |
| 11 | #include "src/__support/macros/config.h" |
| 12 | #include "src/fcntl/open.h" |
| 13 | #include "src/sys/mman/linux/shm_common.h" |
| 14 | |
| 15 | namespace LIBC_NAMESPACE_DECL { |
| 16 | |
| 17 | static constexpr int DEFAULT_OFLAGS = O_NOFOLLOW | O_CLOEXEC | O_NONBLOCK; |
| 18 | |
| 19 | LLVM_LIBC_FUNCTION(int, shm_open, (const char *name, int oflags, mode_t mode)) { |
| 20 | using namespace shm_common; |
| 21 | if (cpp::optional<SHMPath> buffer = translate_name(name)) |
| 22 | return open(buffer->data(), oflags | DEFAULT_OFLAGS, mode); |
| 23 | return -1; |
| 24 | } |
| 25 | |
| 26 | } // namespace LIBC_NAMESPACE_DECL |
| 27 |