/** * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include int main(void) { struct rlimit rlim; size_t i; int result = getrlimit(RLIMIT_AS, &rlim); printf("%lu\n", rlim.rlim_cur); printf("%lu\n", rlim.rlim_max); rlim.rlim_cur = 384 * 1024 * 1024; result = setrlimit(RLIMIT_AS, &rlim); /* * Issue exists only in kitkat. It passes in * android M onwards. In failure scenario, device reboots. */ size_t to_alloc = 1.6 * 1024 * 1024 * 1024; char *mem = (char *)malloc(to_alloc); printf("%p\n", mem); if (mem) { for (i = 0; i < to_alloc; i++) { mem[i] = 0; } printf("filled\n"); } free(mem); return 0; }