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