1 | //===---------- Linux implementation of the munlockall function -----------===// |
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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/sys/mman/munlockall.h" |
10 | |
11 | #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
12 | |
13 | #include "src/errno/libc_errno.h" |
14 | #include <sys/syscall.h> // For syscall numbers. |
15 | |
16 | namespace LIBC_NAMESPACE { |
17 | |
18 | LLVM_LIBC_FUNCTION(int, munlockall, (void)) { |
19 | long ret = syscall_impl(SYS_munlockall); |
20 | if (ret < 0) { |
21 | libc_errno = static_cast<int>(-ret); |
22 | return -1; |
23 | } |
24 | return 0; |
25 | } |
26 | |
27 | } // namespace LIBC_NAMESPACE |
28 |