//===---------- Linux implementation of the shm_open function -------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "src/sys/mman/shm_open.h" #include "hdr/fcntl_macros.h" #include "hdr/types/mode_t.h" #include "src/__support/OSUtil/fcntl.h" #include "src/__support/libc_errno.h" #include "src/__support/macros/config.h" #include "src/sys/mman/linux/shm_common.h" namespace LIBC_NAMESPACE_DECL { static constexpr int DEFAULT_OFLAGS = O_NOFOLLOW | O_CLOEXEC | O_NONBLOCK; LLVM_LIBC_FUNCTION(int, shm_open, (const char *name, int oflags, mode_t mode)) { auto path_result = shm_common::translate_name(name); if (!path_result.has_value()) { libc_errno = path_result.error(); return -1; } auto open_result = internal::open(path_result->data(), oflags | DEFAULT_OFLAGS, mode); if (!open_result.has_value()) { libc_errno = open_result.error(); return -1; } return open_result.value(); } } // namespace LIBC_NAMESPACE_DECL