85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <procinfo/process.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <set>
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#include <thread>
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#include <vector>
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#include <gtest/gtest.h>
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#include <android-base/stringprintf.h>
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#if !defined(__BIONIC__)
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#include <syscall.h>
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static pid_t gettid() {
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return syscall(__NR_gettid);
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}
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#endif
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TEST(process_info, process_info_smoke) {
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android::procinfo::ProcessInfo self;
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ASSERT_TRUE(android::procinfo::GetProcessInfo(gettid(), &self));
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ASSERT_EQ(gettid(), self.tid);
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ASSERT_EQ(getpid(), self.pid);
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ASSERT_EQ(getppid(), self.ppid);
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ASSERT_EQ(getuid(), self.uid);
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ASSERT_EQ(getgid(), self.gid);
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}
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TEST(process_info, process_info_proc_pid_fd_smoke) {
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android::procinfo::ProcessInfo self;
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int fd = open(android::base::StringPrintf("/proc/%d", gettid()).c_str(), O_DIRECTORY | O_RDONLY);
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ASSERT_NE(-1, fd);
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ASSERT_TRUE(android::procinfo::GetProcessInfoFromProcPidFd(fd, &self));
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// Process name is capped at 15 bytes.
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ASSERT_EQ("libprocinfo_tes", self.name);
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ASSERT_EQ(gettid(), self.tid);
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ASSERT_EQ(getpid(), self.pid);
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ASSERT_EQ(getppid(), self.ppid);
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ASSERT_EQ(getuid(), self.uid);
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ASSERT_EQ(getgid(), self.gid);
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close(fd);
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}
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TEST(process_info, process_tids_smoke) {
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pid_t main_tid = gettid();
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std::thread([main_tid]() {
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pid_t thread_tid = gettid();
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{
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std::vector<pid_t> vec;
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ASSERT_TRUE(android::procinfo::GetProcessTids(getpid(), &vec));
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ASSERT_EQ(1, std::count(vec.begin(), vec.end(), main_tid));
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ASSERT_EQ(1, std::count(vec.begin(), vec.end(), thread_tid));
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}
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{
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std::set<pid_t> set;
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ASSERT_TRUE(android::procinfo::GetProcessTids(getpid(), &set));
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ASSERT_EQ(1, std::count(set.begin(), set.end(), main_tid));
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ASSERT_EQ(1, std::count(set.begin(), set.end(), thread_tid));
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}
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}).join();
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}
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