OpenCoverage

threads_pthread.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/threads_pthread.c
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1/*-
2 * Copyright 2016-2018 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#include <openssl/crypto.h>-
11#include "internal/cryptlib.h"-
12-
13#if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG) && !defined(OPENSSL_SYS_WINDOWS)-
14-
15# ifdef PTHREAD_RWLOCK_INITIALIZER-
16# define USE_RWLOCK-
17# endif-
18-
19CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)-
20{-
21# ifdef USE_RWLOCK-
22 CRYPTO_RWLOCK *lock;-
23-
24 if ((lock = OPENSSL_zalloc(sizeof(pthread_rwlock_t))) == NULL) {
(lock = CRYPTO...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 547699 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-547699
25 /* Don't set error, to avoid recursion blowup. */-
26 return NULL;
never executed: return ((void *)0) ;
0
27 }-
28-
29 if (pthread_rwlock_init(lock, NULL) != 0) {
pthread_rwlock...id *)0) ) != 0Description
TRUEnever evaluated
FALSEevaluated 547699 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-547699
30 OPENSSL_free(lock);-
31 return NULL;
never executed: return ((void *)0) ;
0
32 }-
33# else-
34 pthread_mutexattr_t attr;-
35 CRYPTO_RWLOCK *lock;-
36-
37 if ((lock = OPENSSL_zalloc(sizeof(pthread_mutex_t))) == NULL) {-
38 /* Don't set error, to avoid recursion blowup. */-
39 return NULL;-
40 }-
41-
42 pthread_mutexattr_init(&attr);-
43 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);-
44-
45 if (pthread_mutex_init(lock, &attr) != 0) {-
46 pthread_mutexattr_destroy(&attr);-
47 OPENSSL_free(lock);-
48 return NULL;-
49 }-
50-
51 pthread_mutexattr_destroy(&attr);-
52# endif-
53-
54 return lock;
executed 547699 times by 12 tests: return lock;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
547699
55}-
56-
57int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock)-
58{-
59# ifdef USE_RWLOCK-
60 if (pthread_rwlock_rdlock(lock) != 0)
pthread_rwlock...ock(lock) != 0Description
TRUEnever evaluated
FALSEevaluated 191815 times by 11 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-191815
61 return 0;
never executed: return 0;
0
62# else-
63 if (pthread_mutex_lock(lock) != 0)-
64 return 0;-
65# endif-
66-
67 return 1;
executed 191815 times by 11 tests: return 1;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
191815
68}-
69-
70int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock)-
71{-
72# ifdef USE_RWLOCK-
73 if (pthread_rwlock_wrlock(lock) != 0)
pthread_rwlock...ock(lock) != 0Description
TRUEnever evaluated
FALSEevaluated 4187045 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-4187045
74 return 0;
never executed: return 0;
0
75# else-
76 if (pthread_mutex_lock(lock) != 0)-
77 return 0;-
78# endif-
79-
80 return 1;
executed 4187045 times by 12 tests: return 1;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
4187045
81}-
82-
83int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock)-
84{-
85# ifdef USE_RWLOCK-
86 if (pthread_rwlock_unlock(lock) != 0)
pthread_rwlock...ock(lock) != 0Description
TRUEnever evaluated
FALSEevaluated 4378159 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-4378159
87 return 0;
never executed: return 0;
0
88# else-
89 if (pthread_mutex_unlock(lock) != 0)-
90 return 0;-
91# endif-
92-
93 return 1;
executed 4378006 times by 12 tests: return 1;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
4378006
94}-
95-
96void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock)-
97{-
98 if (lock == NULL)
lock == ((void *)0)Description
TRUEevaluated 13766 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
FALSEevaluated 547699 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
13766-547699
99 return;
executed 13766 times by 12 tests: return;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
13766
100-
101# ifdef USE_RWLOCK-
102 pthread_rwlock_destroy(lock);-
103# else-
104 pthread_mutex_destroy(lock);-
105# endif-
106 OPENSSL_free(lock);-
107-
108 return;
executed 547699 times by 12 tests: return;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
547699
109}-
110-
111int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))-
112{-
113 if (pthread_once(once, init) != 0)
pthread_once(once, init) != 0Description
TRUEnever evaluated
FALSEevaluated 12835514 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-12835514
114 return 0;
never executed: return 0;
0
115-
116 return 1;
executed 12834020 times by 12 tests: return 1;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
12834020
117}-
118-
119int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))-
120{-
121 if (pthread_key_create(key, cleanup) != 0)
pthread_key_cr... cleanup) != 0Description
TRUEnever evaluated
FALSEevaluated 5717 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-5717
122 return 0;
never executed: return 0;
0
123-
124 return 1;
executed 5717 times by 12 tests: return 1;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
5717
125}-
126-
127void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)-
128{-
129 return pthread_getspecific(*key);
executed 4861308 times by 12 tests: return pthread_getspecific(*key);
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
4861308
130}-
131-
132int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)-
133{-
134 if (pthread_setspecific(*key, val) != 0)
pthread_setspe...key, val) != 0Description
TRUEnever evaluated
FALSEevaluated 12970 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-12970
135 return 0;
never executed: return 0;
0
136-
137 return 1;
executed 12970 times by 12 tests: return 1;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
12970
138}-
139-
140int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key)-
141{-
142 if (pthread_key_delete(*key) != 0)
pthread_key_delete(*key) != 0Description
TRUEnever evaluated
FALSEevaluated 5717 times by 12 tests
Evaluated by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
0-5717
143 return 0;
never executed: return 0;
0
144-
145 return 1;
executed 5717 times by 12 tests: return 1;
Executed by:
  • asn1_internal_test
  • chacha_internal_test
  • ctype_internal_test
  • curve448_internal_test
  • libcrypto.so.1.1
  • modes_internal_test
  • poly1305_internal_test
  • rdrand_sanitytest
  • siphash_internal_test
  • sm2_internal_test
  • sm4_internal_test
  • x509_internal_test
5717
146}-
147-
148CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void)-
149{-
150 return pthread_self();
executed 1060184 times by 2 tests: return pthread_self();
Executed by:
  • libcrypto.so.1.1
  • sm2_internal_test
1060184
151}-
152-
153int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b)-
154{-
155 return pthread_equal(a, b);
executed 2381 times by 1 test: return pthread_equal(a, b);
Executed by:
  • libcrypto.so.1.1
2381
156}-
157-
158int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock)-
159{-
160# if defined(__GNUC__) && defined(__ATOMIC_ACQ_REL)-
161 if (__atomic_is_lock_free(sizeof(*val), val)) {
__atomic_is_lo...of(*val), val)Description
TRUEevaluated 781 times by 2 tests
Evaluated by:
  • libcrypto.so.1.1
  • sm2_internal_test
FALSEnever evaluated
0-781
162 *ret = __atomic_add_fetch(val, amount, __ATOMIC_ACQ_REL);-
163 return 1;
executed 781 times by 2 tests: return 1;
Executed by:
  • libcrypto.so.1.1
  • sm2_internal_test
781
164 }-
165# endif-
166 if (!CRYPTO_THREAD_write_lock(lock))
!CRYPTO_THREAD...ite_lock(lock)Description
TRUEnever evaluated
FALSEnever evaluated
0
167 return 0;
never executed: return 0;
0
168-
169 *val += amount;-
170 *ret = *val;-
171-
172 if (!CRYPTO_THREAD_unlock(lock))
!CRYPTO_THREAD_unlock(lock)Description
TRUEnever evaluated
FALSEnever evaluated
0
173 return 0;
never executed: return 0;
0
174-
175 return 1;
never executed: return 1;
0
176}-
177-
178# ifdef OPENSSL_SYS_UNIX-
179static pthread_once_t fork_once_control = PTHREAD_ONCE_INIT;-
180-
181static void fork_once_func(void)-
182{-
183 pthread_atfork(OPENSSL_fork_prepare,-
184 OPENSSL_fork_parent, OPENSSL_fork_child);-
185}
never executed: end of block
0
186# endif-
187-
188int openssl_init_fork_handlers(void)-
189{-
190# ifdef OPENSSL_SYS_UNIX-
191 if (pthread_once(&fork_once_control, fork_once_func) == 0)
pthread_once(&...nce_func) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
192 return 1;
never executed: return 1;
0
193# endif-
194 return 0;
never executed: return 0;
0
195}-
196#endif-
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