31 lines · cpp
1//===-- Linux implementation of getrlimit ---------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/sys/resource/getrlimit.h"10 11#include "hdr/types/struct_rlimit.h"12#include "src/__support/OSUtil/syscall.h" // For internal syscall function.13#include "src/__support/common.h"14#include "src/__support/libc_errno.h"15#include "src/__support/macros/config.h"16#include <sys/syscall.h> // For syscall numbers.17 18namespace LIBC_NAMESPACE_DECL {19 20LLVM_LIBC_FUNCTION(int, getrlimit, (int res, struct rlimit *limits)) {21 int ret =22 LIBC_NAMESPACE::syscall_impl<int>(SYS_prlimit64, 0, res, nullptr, limits);23 if (ret < 0) {24 libc_errno = -ret;25 return -1;26 }27 return 0;28}29 30} // namespace LIBC_NAMESPACE_DECL31