1//===---------- Linux implementation of the munlockall function -----------===//
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
16namespace LIBC_NAMESPACE {
17
18LLVM_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

source code of libc/src/sys/mman/linux/munlockall.cpp