/* * Copyright (C) 2014 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. */ #include <gtest/gtest.h> #include <sys/resource.h> #if defined(__GLIBC__) /* The host glibc we're currently building with doesn't have prlimit64 yet. */ static int prlimit64(pid_t, int resource, const struct rlimit64* new_limit, struct rlimit64* old_limit) { if (new_limit != NULL) { return setrlimit64(resource, new_limit); } else { return getrlimit64(resource, old_limit); } } #endif TEST(sys_resource, smoke) { #if defined(__LP64__) || defined(__GLIBC__) ASSERT_EQ(sizeof(rlimit), sizeof(rlimit64)); ASSERT_EQ(8U, sizeof(rlim_t)); #else ASSERT_NE(sizeof(rlimit), sizeof(rlimit64)); ASSERT_EQ(4U, sizeof(rlim_t)); #endif // Read with getrlimit, getrlimit64, and prlimit64. // (prlimit is prlimit64 on LP64 and unimplemented on 32-bit.) rlimit l32; rlimit64 l64; rlimit64 pr_l64; ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32)); ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64)); ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64)); ASSERT_EQ(l64.rlim_cur, l32.rlim_cur); ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur); ASSERT_EQ(l64.rlim_max, pr_l64.rlim_max); if (l64.rlim_max == RLIM64_INFINITY) { ASSERT_EQ(RLIM_INFINITY, l32.rlim_max); } else { ASSERT_EQ(l64.rlim_max, l32.rlim_max); } // Write with setrlimit and read back with everything. l32.rlim_cur = 123; ASSERT_EQ(0, setrlimit(RLIMIT_CORE, &l32)); ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32)); ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64)); ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64)); ASSERT_EQ(123U, l32.rlim_cur); ASSERT_EQ(l64.rlim_cur, l32.rlim_cur); ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur); // Write with setrlimit64 and read back with everything. l64.rlim_cur = 456; ASSERT_EQ(0, setrlimit64(RLIMIT_CORE, &l64)); ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32)); ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64)); ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64)); ASSERT_EQ(456U, l32.rlim_cur); ASSERT_EQ(l64.rlim_cur, l32.rlim_cur); ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur); // Write with prlimit64 and read back with everything. l64.rlim_cur = 789; ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, &l64, NULL)); ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32)); ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64)); ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64)); ASSERT_EQ(789U, l32.rlim_cur); ASSERT_EQ(l64.rlim_cur, l32.rlim_cur); ASSERT_EQ(l64.rlim_cur, pr_l64.rlim_cur); }