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Merge #10058: No need to use OpenSSL malloc/free

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6d5dd60 No need to use OpenSSL malloc/free (Thomas Snider)

Tree-SHA512: 29f790067ffd5a10a8e1a621318a0ba445691f57c804aa3b7c8ca372c8408d8c7fe703c42b48018e400fc32e3feff5ab401d97433910ce2c50e69da0b8a6662e
This commit is contained in:
Wladimir J. van der Laan 2017-04-03 12:05:43 +02:00
commit a2cd0b0eec
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GPG Key ID: 74810B012346C9A6
1 changed files with 7 additions and 10 deletions
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17
src/util.cpp
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@ -123,26 +123,24 @@ CTranslationInterface translationInterface;
std::atomic<uint32_t> logCategories(0); std::atomic<uint32_t> logCategories(0);
/** Init OpenSSL library multithreading support */ /** Init OpenSSL library multithreading support */
static CCriticalSection** ppmutexOpenSSL; static std::unique_ptr<CCriticalSection[]> ppmutexOpenSSL;
void locking_callback(int mode, int i, const char* file, int line) NO_THREAD_SAFETY_ANALYSIS void locking_callback(int mode, int i, const char* file, int line) NO_THREAD_SAFETY_ANALYSIS
{ {
if (mode & CRYPTO_LOCK) { if (mode & CRYPTO_LOCK) {
ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i]); ENTER_CRITICAL_SECTION(ppmutexOpenSSL[i]);
} else { } else {
LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i]); LEAVE_CRITICAL_SECTION(ppmutexOpenSSL[i]);
} }
} }
// Init // Singleton for wrapping OpenSSL setup/teardown.
class CInit class CInit
{ {
public: public:
CInit() CInit()
{ {
// Init OpenSSL library multithreading support // Init OpenSSL library multithreading support
ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*)); ppmutexOpenSSL.reset(new CCriticalSection[CRYPTO_num_locks()]);
for (int i = 0; i < CRYPTO_num_locks(); i++)
ppmutexOpenSSL[i] = new CCriticalSection();
CRYPTO_set_locking_callback(locking_callback); CRYPTO_set_locking_callback(locking_callback);
// OpenSSL can optionally load a config file which lists optional loadable modules and engines. // OpenSSL can optionally load a config file which lists optional loadable modules and engines.
@ -166,9 +164,8 @@ public:
RAND_cleanup(); RAND_cleanup();
// Shutdown OpenSSL library multithreading support // Shutdown OpenSSL library multithreading support
CRYPTO_set_locking_callback(NULL); CRYPTO_set_locking_callback(NULL);
for (int i = 0; i < CRYPTO_num_locks(); i++) // Clear the set of locks now to maintain symmetry with the constructor.
delete ppmutexOpenSSL[i]; ppmutexOpenSSL.reset();
OPENSSL_free(ppmutexOpenSSL);
} }
} }
instance_of_cinit; instance_of_cinit;