Return a fatal error if application data is encountered during shutdown
[openssl.git] / test / threadstest.c
1 /*
2  * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9
10 #if defined(_WIN32)
11 # include <windows.h>
12 #endif
13
14 #include <openssl/crypto.h>
15 #include "testutil.h"
16
17 #if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
18
19 typedef unsigned int thread_t;
20
21 static int run_thread(thread_t *t, void (*f)(void))
22 {
23     f();
24     return 1;
25 }
26
27 static int wait_for_thread(thread_t thread)
28 {
29     return 1;
30 }
31
32 #elif defined(OPENSSL_SYS_WINDOWS)
33
34 typedef HANDLE thread_t;
35
36 static DWORD WINAPI thread_run(LPVOID arg)
37 {
38     void (*f)(void);
39
40     *(void **) (&f) = arg;
41
42     f();
43     return 0;
44 }
45
46 static int run_thread(thread_t *t, void (*f)(void))
47 {
48     *t = CreateThread(NULL, 0, thread_run, *(void **) &f, 0, NULL);
49     return *t != NULL;
50 }
51
52 static int wait_for_thread(thread_t thread)
53 {
54     return WaitForSingleObject(thread, INFINITE) == 0;
55 }
56
57 #else
58
59 typedef pthread_t thread_t;
60
61 static void *thread_run(void *arg)
62 {
63     void (*f)(void);
64
65     *(void **) (&f) = arg;
66
67     f();
68     return NULL;
69 }
70
71 static int run_thread(thread_t *t, void (*f)(void))
72 {
73     return pthread_create(t, NULL, thread_run, *(void **) &f) == 0;
74 }
75
76 static int wait_for_thread(thread_t thread)
77 {
78     return pthread_join(thread, NULL) == 0;
79 }
80
81 #endif
82
83 static int test_lock(void)
84 {
85     CRYPTO_RWLOCK *lock = CRYPTO_THREAD_lock_new();
86
87     if (!TEST_true(CRYPTO_THREAD_read_lock(lock))
88         || !TEST_true(CRYPTO_THREAD_unlock(lock)))
89         return 0;
90
91     CRYPTO_THREAD_lock_free(lock);
92
93     return 1;
94 }
95
96 static CRYPTO_ONCE once_run = CRYPTO_ONCE_STATIC_INIT;
97 static unsigned once_run_count = 0;
98
99 static void once_do_run(void)
100 {
101     once_run_count++;
102 }
103
104 static void once_run_thread_cb(void)
105 {
106     CRYPTO_THREAD_run_once(&once_run, once_do_run);
107 }
108
109 static int test_once(void)
110 {
111     thread_t thread;
112
113     if (!TEST_true(run_thread(&thread, once_run_thread_cb))
114         || !TEST_true(wait_for_thread(thread))
115         || !CRYPTO_THREAD_run_once(&once_run, once_do_run)
116         || !TEST_int_eq(once_run_count, 1))
117         return 0;
118     return 1;
119 }
120
121 static CRYPTO_THREAD_LOCAL thread_local_key;
122 static unsigned destructor_run_count = 0;
123 static int thread_local_thread_cb_ok = 0;
124
125 static void thread_local_destructor(void *arg)
126 {
127     unsigned *count;
128
129     if (arg == NULL)
130         return;
131
132     count = arg;
133
134     (*count)++;
135 }
136
137 static void thread_local_thread_cb(void)
138 {
139     void *ptr;
140
141     ptr = CRYPTO_THREAD_get_local(&thread_local_key);
142     if (!TEST_ptr_null(ptr)
143         || !TEST_true(CRYPTO_THREAD_set_local(&thread_local_key,
144                                               &destructor_run_count)))
145         return;
146
147     ptr = CRYPTO_THREAD_get_local(&thread_local_key);
148     if (!TEST_ptr_eq(ptr, &destructor_run_count))
149         return;
150
151     thread_local_thread_cb_ok = 1;
152 }
153
154 static int test_thread_local(void)
155 {
156     thread_t thread;
157     void *ptr = NULL;
158
159     if (!TEST_true(CRYPTO_THREAD_init_local(&thread_local_key,
160                                             thread_local_destructor)))
161         return 0;
162
163     ptr = CRYPTO_THREAD_get_local(&thread_local_key);
164     if (!TEST_ptr_null(ptr)
165         || !TEST_true(run_thread(&thread, thread_local_thread_cb))
166         || !TEST_true(wait_for_thread(thread))
167         || !TEST_int_eq(thread_local_thread_cb_ok, 1))
168         return 0;
169
170 #if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
171
172     ptr = CRYPTO_THREAD_get_local(&thread_local_key);
173     if (!TEST_ptr_null(ptr))
174         return 0;
175
176 # if !defined(OPENSSL_SYS_WINDOWS)
177     if (!TEST_int_eq(destructor_run_count, 1))
178         return 0;
179 # endif
180 #endif
181
182     if (!TEST_true(CRYPTO_THREAD_cleanup_local(&thread_local_key)))
183         return 0;
184     return 1;
185 }
186
187 int setup_tests(void)
188 {
189     ADD_TEST(test_lock);
190     ADD_TEST(test_once);
191     ADD_TEST(test_thread_local);
192     return 1;
193 }