//===-- Linux implementation of pipe --------------------------------------===// // // 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/unistd/pipe2.h" #include "src/__support/OSUtil/syscall.h" // For internal syscall function. #include "src/__support/common.h" #include "src/__support/macros/config.h" #include "src/errno/libc_errno.h" #include // For syscall numbers. namespace LIBC_NAMESPACE_DECL { LLVM_LIBC_FUNCTION(int, pipe2, (int pipefd[2], int flags)) { int ret = LIBC_NAMESPACE::syscall_impl( SYS_pipe2, reinterpret_cast(pipefd), flags); if (ret < 0) { libc_errno = -ret; return -1; } MSAN_UNPOISON(pipefd, sizeof(int) * 2); return ret; } } // namespace LIBC_NAMESPACE_DECL