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/*
* Copyright (C) 2016 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 <errno.h>
#ifdef HAS_KCMP
#include <linux/kcmp.h>
#include <sys/syscall.h>
#endif
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <unistd.h>
#include <gtest/gtest.h>
#ifdef HAS_KCMP
int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
return syscall(SYS_kcmp, pid1, pid2, type, 0, idx1, idx2);
}
#endif
TEST(kernel_config, NOT_CONFIG_SYSVIPC) {
#ifdef HAS_KCMP
pid_t pid = getpid();
int ret = kcmp(pid, pid, KCMP_SYSVSEM, 0, 0);
int error = (ret == -1) ? (errno == ENOSYS) ? EOPNOTSUPP : errno : 0;
EXPECT_EQ(-1, kcmp(pid, pid, KCMP_SYSVSEM, 0, 0));
EXPECT_EQ(EOPNOTSUPP, error);
#endif
EXPECT_EQ(-1, access("/proc/sysvipc", R_OK));
EXPECT_EQ(-1, access("/proc/sysvipc/msg", F_OK));
EXPECT_EQ(-1, msgctl(-1, IPC_STAT, nullptr));
EXPECT_EQ(ENOSYS, errno);
EXPECT_EQ(-1, access("/proc/sysvipc/sem", F_OK));
EXPECT_EQ(-1, semctl(-1, 0, IPC_STAT, nullptr));
EXPECT_EQ(ENOSYS, errno);
EXPECT_EQ(-1, access("/proc/sysvipc/shm", F_OK));
EXPECT_EQ(-1, shmctl(-1, IPC_STAT, nullptr));
EXPECT_EQ(ENOSYS, errno);
}
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