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57 lines
1.1 KiB
57 lines
1.1 KiB
6 years ago
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#pragma once
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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//Inspired/directly copied from https://www.codeproject.com/Articles/12362/A-quot-synchronized-quot-statement-for-C-like-in-J
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//Enables easier synchronization
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class Mutex {
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public:
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Mutex() {
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InitializeCriticalSectionAndSpinCount(&critSection, 0x00000400);
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//InitializeCriticalSection(&critSection);
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}
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~Mutex() {
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DeleteCriticalSection(&critSection);
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}
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void lock() {
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EnterCriticalSection(&critSection);
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}
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void unlock() {
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LeaveCriticalSection(&critSection);
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}
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private:
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CRITICAL_SECTION critSection;
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};
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//Synchronization Controller Object
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class Lock {
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public:
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Lock(Mutex &m) : mutex(m), locked(TRUE) {
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m.lock();
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}
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~Lock() {
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mutex.unlock();
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}
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operator bool() const {
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return locked;
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}
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void setUnlock() {
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locked = FALSE;
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}
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private:
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Mutex& mutex;
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bool locked;
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};
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//A useful shorthand for locking and unlocking a mutex over a scope.
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//CAUTION, implemented with a for loop, so break/continue are consumed.
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#define synchronized(M) for(Lock M##_lock = M; M##_lock; M##_lock.setUnlock())
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