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Corrections according the review comments.

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Updated indentations according project rules, renamed file-local define to the shorter version - USE_RWLOCK, fixed declaration after the if statement in CRYPTO_THREAD_lock_new().
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1981)
This commit is contained in:
Dmitry Kostjuchenko 2016-11-28 19:54:43 +02:00 committed by Richard Levitte
parent 2accf3f7e0
commit ec93a2921f
1 changed files with 22 additions and 21 deletions
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43
crypto/threads_pthread.c
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@ -11,13 +11,13 @@
#if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG) && !defined(OPENSSL_SYS_WINDOWS)
#ifdef PTHREAD_RWLOCK_INITIALIZER
#define OPENSSL_THREADS_HAVE_PTHREAD_RWLOCK
#endif
# ifdef PTHREAD_RWLOCK_INITIALIZER
# define USE_RWLOCK
# endif
CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)
{
#ifdef OPENSSL_THREADS_HAVE_PTHREAD_RWLOCK
# ifdef USE_RWLOCK
CRYPTO_RWLOCK *lock = OPENSSL_zalloc(sizeof(pthread_rwlock_t));
if (lock == NULL)
return NULL;
@ -26,62 +26,63 @@ CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)
OPENSSL_free(lock);
return NULL;
}
#else
# else
pthread_mutexattr_t attr;
CRYPTO_RWLOCK *lock = OPENSSL_zalloc(sizeof(pthread_mutex_t));
if (lock == NULL)
return NULL;
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
if (pthread_mutex_init(lock, &attr) != 0) {
pthread_mutexattr_destroy(&attr);
OPENSSL_free(lock);
return NULL;
}
pthread_mutexattr_destroy(&attr);
#endif
# endif
return lock;
}
int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock)
{
#ifdef OPENSSL_THREADS_HAVE_PTHREAD_RWLOCK
# ifdef USE_RWLOCK
if (pthread_rwlock_rdlock(lock) != 0)
return 0;
#else
# else
if (pthread_mutex_lock(lock) != 0)
return 0;
#endif
# endif
return 1;
}
int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock)
{
#ifdef OPENSSL_THREADS_HAVE_PTHREAD_RWLOCK
# ifdef USE_RWLOCK
if (pthread_rwlock_wrlock(lock) != 0)
return 0;
#else
# else
if (pthread_mutex_lock(lock) != 0)
return 0;
#endif
# endif
return 1;
}
int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock)
{
#ifdef OPENSSL_THREADS_HAVE_PTHREAD_RWLOCK
# ifdef USE_RWLOCK
if (pthread_rwlock_unlock(lock) != 0)
return 0;
#else
# else
if (pthread_mutex_unlock(lock) != 0)
return 0;
#endif
# endif
return 1;
}
@ -91,11 +92,11 @@ void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock)
if (lock == NULL)
return;
#ifdef OPENSSL_THREADS_HAVE_PTHREAD_RWLOCK
# ifdef USE_RWLOCK
pthread_rwlock_destroy(lock);
#else
# else
pthread_mutex_destroy(lock);
#endif
# endif
OPENSSL_free(lock);
return;