xref: /aosp_15_r20/external/llvm-libc/src/sys/resource/linux/setrlimit.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Linux implementation of setrlimit ---------------------------------===//
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/setrlimit.h"
10 
11 #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12 #include "src/__support/common.h"
13 
14 #include "src/__support/macros/config.h"
15 #include "src/errno/libc_errno.h"
16 #include <sys/resource.h> // For struct rlimit
17 #include <sys/syscall.h>  // For syscall numbers.
18 
19 namespace LIBC_NAMESPACE_DECL {
20 
21 LLVM_LIBC_FUNCTION(int, setrlimit, (int res, const struct rlimit *limits)) {
22   int ret =
23       LIBC_NAMESPACE::syscall_impl<int>(SYS_prlimit64, 0, res, limits, nullptr);
24   if (ret < 0) {
25     libc_errno = -ret;
26     return -1;
27   }
28   return 0;
29 }
30 
31 } // namespace LIBC_NAMESPACE_DECL
32