diff options
Diffstat (limited to 'src/sync.h')
| -rw-r--r-- | src/sync.h | 67 |
1 files changed, 34 insertions, 33 deletions
diff --git a/src/sync.h b/src/sync.h index 0871c5fb4d..3af27c65d0 100644 --- a/src/sync.h +++ b/src/sync.h @@ -6,11 +6,11 @@ #ifndef BITCOIN_SYNC_H #define BITCOIN_SYNC_H -#include "threadsafety.h" +#include <threadsafety.h> -#include <boost/thread/condition_variable.hpp> -#include <boost/thread/mutex.hpp> -#include <boost/thread/recursive_mutex.hpp> +#include <condition_variable> +#include <thread> +#include <mutex> //////////////////////////////////////////////// @@ -21,17 +21,17 @@ /* CCriticalSection mutex; - boost::recursive_mutex mutex; + std::recursive_mutex mutex; LOCK(mutex); - boost::unique_lock<boost::recursive_mutex> criticalblock(mutex); + std::unique_lock<std::recursive_mutex> criticalblock(mutex); LOCK2(mutex1, mutex2); - boost::unique_lock<boost::recursive_mutex> criticalblock1(mutex1); - boost::unique_lock<boost::recursive_mutex> criticalblock2(mutex2); + std::unique_lock<std::recursive_mutex> criticalblock1(mutex1); + std::unique_lock<std::recursive_mutex> criticalblock2(mutex2); TRY_LOCK(mutex, name); - boost::unique_lock<boost::recursive_mutex> name(mutex, boost::try_to_lock_t); + std::unique_lock<std::recursive_mutex> name(mutex, std::try_to_lock_t); ENTER_CRITICAL_SECTION(mutex); // no RAII mutex.lock(); @@ -75,20 +75,23 @@ void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs void LeaveCritical(); std::string LocksHeld(); void AssertLockHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs); +void AssertLockNotHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs); void DeleteLock(void* cs); #else void static inline EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry = false) {} void static inline LeaveCritical() {} void static inline AssertLockHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs) {} +void static inline AssertLockNotHeldInternal(const char* pszName, const char* pszFile, int nLine, void* cs) {} void static inline DeleteLock(void* cs) {} #endif #define AssertLockHeld(cs) AssertLockHeldInternal(#cs, __FILE__, __LINE__, &cs) +#define AssertLockNotHeld(cs) AssertLockNotHeldInternal(#cs, __FILE__, __LINE__, &cs) /** - * Wrapped boost mutex: supports recursive locking, but no waiting + * Wrapped mutex: supports recursive locking, but no waiting * TODO: We should move away from using the recursive lock by default. */ -class CCriticalSection : public AnnotatedMixin<boost::recursive_mutex> +class CCriticalSection : public AnnotatedMixin<std::recursive_mutex> { public: ~CCriticalSection() { @@ -96,22 +99,24 @@ public: } }; -/** Wrapped boost mutex: supports waiting but not recursive locking */ -typedef AnnotatedMixin<boost::mutex> CWaitableCriticalSection; +/** Wrapped mutex: supports waiting but not recursive locking */ +typedef AnnotatedMixin<std::mutex> CWaitableCriticalSection; -/** Just a typedef for boost::condition_variable, can be wrapped later if desired */ -typedef boost::condition_variable CConditionVariable; +/** Just a typedef for std::condition_variable, can be wrapped later if desired */ +typedef std::condition_variable CConditionVariable; + +/** Just a typedef for std::unique_lock, can be wrapped later if desired */ +typedef std::unique_lock<std::mutex> WaitableLock; #ifdef DEBUG_LOCKCONTENTION void PrintLockContention(const char* pszName, const char* pszFile, int nLine); #endif -/** Wrapper around boost::unique_lock<Mutex> */ -template <typename Mutex> -class SCOPED_LOCKABLE CMutexLock +/** Wrapper around std::unique_lock<CCriticalSection> */ +class SCOPED_LOCKABLE CCriticalBlock { private: - boost::unique_lock<Mutex> lock; + std::unique_lock<CCriticalSection> lock; void Enter(const char* pszName, const char* pszFile, int nLine) { @@ -136,7 +141,7 @@ private: } public: - CMutexLock(Mutex& mutexIn, const char* pszName, const char* pszFile, int nLine, bool fTry = false) EXCLUSIVE_LOCK_FUNCTION(mutexIn) : lock(mutexIn, boost::defer_lock) + CCriticalBlock(CCriticalSection& mutexIn, const char* pszName, const char* pszFile, int nLine, bool fTry = false) EXCLUSIVE_LOCK_FUNCTION(mutexIn) : lock(mutexIn, std::defer_lock) { if (fTry) TryEnter(pszName, pszFile, nLine); @@ -144,18 +149,18 @@ public: Enter(pszName, pszFile, nLine); } - CMutexLock(Mutex* pmutexIn, const char* pszName, const char* pszFile, int nLine, bool fTry = false) EXCLUSIVE_LOCK_FUNCTION(pmutexIn) + CCriticalBlock(CCriticalSection* pmutexIn, const char* pszName, const char* pszFile, int nLine, bool fTry = false) EXCLUSIVE_LOCK_FUNCTION(pmutexIn) { if (!pmutexIn) return; - lock = boost::unique_lock<Mutex>(*pmutexIn, boost::defer_lock); + lock = std::unique_lock<CCriticalSection>(*pmutexIn, std::defer_lock); if (fTry) TryEnter(pszName, pszFile, nLine); else Enter(pszName, pszFile, nLine); } - ~CMutexLock() UNLOCK_FUNCTION() + ~CCriticalBlock() UNLOCK_FUNCTION() { if (lock.owns_lock()) LeaveCritical(); @@ -167,8 +172,6 @@ public: } }; -typedef CMutexLock<CCriticalSection> CCriticalBlock; - #define PASTE(x, y) x ## y #define PASTE2(x, y) PASTE(x, y) @@ -191,8 +194,8 @@ typedef CMutexLock<CCriticalSection> CCriticalBlock; class CSemaphore { private: - boost::condition_variable condition; - boost::mutex mutex; + std::condition_variable condition; + std::mutex mutex; int value; public: @@ -200,16 +203,14 @@ public: void wait() { - boost::unique_lock<boost::mutex> lock(mutex); - while (value < 1) { - condition.wait(lock); - } + std::unique_lock<std::mutex> lock(mutex); + condition.wait(lock, [&]() { return value >= 1; }); value--; } bool try_wait() { - boost::unique_lock<boost::mutex> lock(mutex); + std::lock_guard<std::mutex> lock(mutex); if (value < 1) return false; value--; @@ -219,7 +220,7 @@ public: void post() { { - boost::unique_lock<boost::mutex> lock(mutex); + std::lock_guard<std::mutex> lock(mutex); value++; } condition.notify_one(); |