diff options
Diffstat (limited to 'src/util/system.cpp')
-rw-r--r-- | src/util/system.cpp | 68 |
1 files changed, 12 insertions, 56 deletions
diff --git a/src/util/system.cpp b/src/util/system.cpp index 3ef8111b32..27ed24d012 100644 --- a/src/util/system.cpp +++ b/src/util/system.cpp @@ -44,11 +44,6 @@ #pragma warning(disable:4717) #endif -#ifdef _WIN32_WINNT -#undef _WIN32_WINNT -#endif -#define _WIN32_WINNT 0x0501 - #ifdef _WIN32_IE #undef _WIN32_IE #endif @@ -73,9 +68,6 @@ #include <malloc.h> #endif -#include <openssl/crypto.h> -#include <openssl/rand.h> -#include <openssl/conf.h> #include <thread> // Application startup time (used for uptime calculation) @@ -86,54 +78,6 @@ const char * const BITCOIN_PID_FILENAME = "bitcoind.pid"; ArgsManager gArgs; -/** Init OpenSSL library multithreading support */ -static std::unique_ptr<CCriticalSection[]> ppmutexOpenSSL; -void locking_callback(int mode, int i, const char* file, int line) NO_THREAD_SAFETY_ANALYSIS -{ - if (mode & CRYPTO_LOCK) { - ENTER_CRITICAL_SECTION(ppmutexOpenSSL[i]); - } else { - LEAVE_CRITICAL_SECTION(ppmutexOpenSSL[i]); - } -} - -// Singleton for wrapping OpenSSL setup/teardown. -class CInit -{ -public: - CInit() - { - // Init OpenSSL library multithreading support - ppmutexOpenSSL.reset(new CCriticalSection[CRYPTO_num_locks()]); - CRYPTO_set_locking_callback(locking_callback); - - // OpenSSL can optionally load a config file which lists optional loadable modules and engines. - // We don't use them so we don't require the config. However some of our libs may call functions - // which attempt to load the config file, possibly resulting in an exit() or crash if it is missing - // or corrupt. Explicitly tell OpenSSL not to try to load the file. The result for our libs will be - // that the config appears to have been loaded and there are no modules/engines available. - OPENSSL_no_config(); - -#ifdef WIN32 - // Seed OpenSSL PRNG with current contents of the screen - RAND_screen(); -#endif - - // Seed OpenSSL PRNG with performance counter - RandAddSeed(); - } - ~CInit() - { - // Securely erase the memory used by the PRNG - RAND_cleanup(); - // Shutdown OpenSSL library multithreading support - CRYPTO_set_locking_callback(nullptr); - // Clear the set of locks now to maintain symmetry with the constructor. - ppmutexOpenSSL.reset(); - } -} -instance_of_cinit; - /** A map that contains all the currently held directory locks. After * successful locking, these will be held here until the global destructor * cleans them up and thus automatically unlocks them, or ReleaseDirectoryLocks @@ -167,6 +111,12 @@ bool LockDirectory(const fs::path& directory, const std::string lockfile_name, b return true; } +void UnlockDirectory(const fs::path& directory, const std::string& lockfile_name) +{ + std::lock_guard<std::mutex> lock(cs_dir_locks); + dir_locks.erase((directory / lockfile_name).string()); +} + void ReleaseDirectoryLocks() { std::lock_guard<std::mutex> ulock(cs_dir_locks); @@ -685,6 +635,12 @@ bool HelpRequested(const ArgsManager& args) return args.IsArgSet("-?") || args.IsArgSet("-h") || args.IsArgSet("-help") || args.IsArgSet("-help-debug"); } +void SetupHelpOptions(ArgsManager& args) +{ + args.AddArg("-?", "Print this help message and exit", false, OptionsCategory::OPTIONS); + args.AddHiddenArgs({"-h", "-help"}); +} + static const int screenWidth = 79; static const int optIndent = 2; static const int msgIndent = 7; |