1 | //===-- Linux implementation of fchdir ------------------------------------===// |
---|---|
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #include "src/unistd/fchdir.h" |
10 | |
11 | #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
12 | #include "src/__support/common.h" |
13 | |
14 | #include "src/errno/libc_errno.h" |
15 | #include <sys/syscall.h> // For syscall numbers. |
16 | |
17 | namespace LIBC_NAMESPACE { |
18 | |
19 | LLVM_LIBC_FUNCTION(int, fchdir, (int fd)) { |
20 | int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_fchdir, ts: fd); |
21 | if (ret < 0) { |
22 | libc_errno = -ret; |
23 | return -1; |
24 | } |
25 | return 0; |
26 | } |
27 | |
28 | } // namespace LIBC_NAMESPACE |
29 |