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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/sys/resource/getrlimit.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/resource.h> // For struct rlimit 16 #include <sys/syscall.h> // For syscall numbers. 17 18 namespace LIBC_NAMESPACE { 19 20 LLVM_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 31