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 <unistd.h>
22
23 #include <gtest/gtest.h>
24
25 #ifdef HAS_KCMP
kcmp(pid_t pid1,pid_t pid2,int type,unsigned long idx1,unsigned long idx2)26 int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
27 return syscall(SYS_kcmp, pid1, pid2, type, 0, idx1, idx2);
28 }
29 #endif
30
TEST(kernel_config,NOT_CONFIG_SYSVIPC)31 TEST(kernel_config, NOT_CONFIG_SYSVIPC) {
32 #ifdef HAS_KCMP
33 pid_t pid = getpid();
34 int ret = kcmp(pid, pid, KCMP_SYSVSEM, 0, 0);
35 int error = (ret == -1) ? (errno == ENOSYS) ? EOPNOTSUPP : errno : 0;
36 EXPECT_EQ(-1, kcmp(pid, pid, KCMP_SYSVSEM, 0, 0));
37 EXPECT_EQ(EOPNOTSUPP, error);
38 #endif
39 EXPECT_EQ(-1, access("/proc/sysvipc", F_OK));
40 EXPECT_EQ(-1, access("/proc/sysvipc/msg", F_OK));
41 EXPECT_EQ(-1, access("/proc/sysvipc/sem", F_OK));
42 EXPECT_EQ(-1, access("/proc/sysvipc/shm", F_OK));
43 }
44
45