1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include <errno.h> 17 #ifdef HAS_KCMP 18 #include <linux/kcmp.h> 19 #include <sys/syscall.h> 20 #endif 21 #include <sys/ipc.h> 22 #include <sys/msg.h> 23 #include <sys/sem.h> 24 #include <sys/shm.h> 25 #include <unistd.h> 26 27 #include <gtest/gtest.h> 28 29 #ifdef HAS_KCMP 30 int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) { 31 return syscall(SYS_kcmp, pid1, pid2, type, 0, idx1, idx2); 32 } 33 #endif 34 35 TEST(kernel_config, NOT_CONFIG_SYSVIPC) { 36 #ifdef HAS_KCMP 37 pid_t pid = getpid(); 38 int ret = kcmp(pid, pid, KCMP_SYSVSEM, 0, 0); 39 int error = (ret == -1) ? (errno == ENOSYS) ? EOPNOTSUPP : errno : 0; 40 EXPECT_EQ(-1, kcmp(pid, pid, KCMP_SYSVSEM, 0, 0)); 41 EXPECT_EQ(EOPNOTSUPP, error); 42 #endif 43 44 EXPECT_EQ(-1, access("/proc/sysvipc", R_OK)); 45 46 EXPECT_EQ(-1, access("/proc/sysvipc/msg", F_OK)); 47 EXPECT_EQ(-1, msgctl(-1, IPC_STAT, nullptr)); 48 EXPECT_EQ(ENOSYS, errno); 49 50 EXPECT_EQ(-1, access("/proc/sysvipc/sem", F_OK)); 51 EXPECT_EQ(-1, semctl(-1, 0, IPC_STAT, nullptr)); 52 EXPECT_EQ(ENOSYS, errno); 53 54 EXPECT_EQ(-1, access("/proc/sysvipc/shm", F_OK)); 55 EXPECT_EQ(-1, shmctl(-1, IPC_STAT, nullptr)); 56 EXPECT_EQ(ENOSYS, errno); 57 } 58 59
