| //===---------- Linux implementation of the munlock function --------------===// |
| // |
| // 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/sys/mman/munlock.h" |
| |
| #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
| |
| #include "src/errno/libc_errno.h" |
| #include <sys/syscall.h> // For syscall numbers. |
| |
| namespace LIBC_NAMESPACE { |
| |
| LLVM_LIBC_FUNCTION(int, munlock, (const void *addr, size_t len)) { |
| long ret = syscall_impl(SYS_munlock, cpp::bit_cast<long>(addr), len); |
| if (ret < 0) { |
| libc_errno = static_cast<int>(-ret); |
| return -1; |
| } |
| return 0; |
| } |
| |
| } // namespace LIBC_NAMESPACE |
