| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// Implementation header for sem_open. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_SRC_SEMAPHORE_SEM_OPEN_H |
| #define LLVM_LIBC_SRC_SEMAPHORE_SEM_OPEN_H |
| |
| #include "hdr/types/sem_t.h" |
| #include "src/__support/macros/config.h" |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| // POSIX leaves it implementation-defined whether repeated calls for the same |
| // name return the same handle. Each successful call here returns a unique |
| // handle, and every handle for a name refers to the same underlying semaphore. |
| // Each handle must be released with its own sem_close call. |
| sem_t *sem_open(const char *name, int oflag, ...); |
| |
| } // namespace LIBC_NAMESPACE_DECL |
| |
| #endif // LLVM_LIBC_SRC_SEMAPHORE_SEM_OPEN_H |
