| //===-- Linux implementation of linkat ------------------------------------===// |
| // |
| // 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/linkat.h" |
| |
| #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
| #include "src/__support/common.h" |
| |
| #include "src/errno/libc_errno.h" |
| #include <fcntl.h> |
| #include <sys/syscall.h> // For syscall numbers. |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(int, linkat, |
| (int fd1, const char *path1, int fd2, const char *path2, |
| int flags)) { |
| long ret = |
| __llvm_libc::syscall_impl(SYS_linkat, fd1, path1, fd2, path2, flags); |
| if (ret < 0) { |
| libc_errno = -ret; |
| return -1; |
| } |
| return ret; |
| } |
| |
| } // namespace __llvm_libc |