1 // Copyright 2015 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "sandbox/linux/services/resource_limits.h" 6 7 #include <sys/resource.h> 8 #include <sys/time.h> 9 10 #include <algorithm> 11 12 namespace sandbox { 13 14 // static 15 bool ResourceLimits::Lower(int resource, rlim_t limit) { 16 struct rlimit old_rlimit; 17 if (getrlimit(resource, &old_rlimit)) 18 return false; 19 // Make sure we don't raise the existing limit. 20 const struct rlimit new_rlimit = {std::min(old_rlimit.rlim_cur, limit), 21 std::min(old_rlimit.rlim_max, limit)}; 22 int rc = setrlimit(resource, &new_rlimit); 23 return rc == 0; 24 } 25 26 } // namespace sandbox 27
