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13b6d087 DDP |
1 | /* |
2 | * Copyright (c) 2016 Nicira, Inc. | |
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 | ||
17 | #include <config.h> | |
18 | #undef NDEBUG | |
19 | #include "fatal-signal.h" | |
20 | #include "ovs-rcu.h" | |
21 | #include "ovs-thread.h" | |
22 | #include "ovstest.h" | |
23 | #include "util.h" | |
24 | ||
25 | static void * | |
26 | quiescer_main(void *aux OVS_UNUSED) | |
27 | { | |
28 | /* A new thread must be not be quiescent */ | |
29 | ovs_assert(!ovsrcu_is_quiescent()); | |
30 | ovsrcu_quiesce_start(); | |
31 | /* After the above call it must be quiescent */ | |
32 | ovs_assert(ovsrcu_is_quiescent()); | |
33 | ||
34 | return NULL; | |
35 | } | |
36 | ||
37 | static void | |
38 | test_rcu_quiesce(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) | |
39 | { | |
40 | pthread_t quiescer; | |
41 | ||
13b6d087 DDP |
42 | quiescer = ovs_thread_create("quiescer", quiescer_main, NULL); |
43 | ||
44 | /* This is the main thread of the process. After spawning its first | |
45 | * thread it must not be quiescent. */ | |
46 | ovs_assert(!ovsrcu_is_quiescent()); | |
47 | ||
48 | xpthread_join(quiescer, NULL); | |
49 | } | |
50 | ||
51 | OVSTEST_REGISTER("test-rcu-quiesce", test_rcu_quiesce); |