1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <cstdlib>
17 #include <pthread.h>
18 #define MC_ON
19 #include "../../../platforms/unix/libpandabase/futex/fmutex.cpp"
20
21 pthread_t pthread_self(void);
22 // Copy of mutex storage, after complete implementation should totally replace mutex::current_tid
23 thread_local pthread_t current_tid;
24
25 static struct fmutex g_x;
26 static int g_shared;
27
ThreadN(void * arg)28 static void *ThreadN(void *arg)
29 {
30 intptr_t index = reinterpret_cast<intptr_t>(arg);
31
32 MutexLock(&g_x, false);
33 g_shared = index;
34 int r = g_shared;
35 ASSERT(r == index);
36 MutexUnlock(&g_x);
37 return nullptr;
38 }
39
main()40 int main()
41 {
42 constexpr int N = 2;
43 MutexInit(&g_x);
44 pthread_t t[N];
45
46 for (long i = 0u; i < N; i++) {
47 pthread_create(&t[i], nullptr, ThreadN, reinterpret_cast<void *>(i));
48 }
49
50 for (int i = 0u; i < N; i++) {
51 pthread_join(t[i], nullptr);
52 }
53
54 MutexDestroy(&g_x);
55 return 0;
56 }
57