Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
#ifndef __CRITICALHPP__
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#define __CRITICALHPP__
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#include <windows.h>
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#include <assert.h>
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// macro to help with using the SMART_CRITICAL class
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// you can just say CRITICAL_CONTROL(ThreadSafe), this will
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// place the current scope in a critical section
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#define CRITICAL_CONTROL(x) SMART_CRITICAL crit##x (x)
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#define CRITICAL_CONTROL_2(x,y) SMART_CRITICAL crit##x (y)
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// class to handle controling critical sections
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// you would use this class to create thread safe and exception safe code
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// since the LeaveCriticalSection is in the destructor it will automatically
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// be called when the class goes out of scope, for instance when the stack
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// is unwinding from an exception
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class SMART_CRITICAL {
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private:
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CRITICAL_SECTION *m_Crit;
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public:
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SMART_CRITICAL (CRITICAL_SECTION& crit)
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{
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m_Crit = &crit;
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EnterCriticalSection (m_Crit);
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}
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~SMART_CRITICAL (void)
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{
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LeaveCriticalSection (m_Crit);
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}
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};
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// class to handle global critical sections
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// the constructor will automatically init the critical section and
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// the destructor will automatically delete the critical section.
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// This makes it useful for globals for instance, the class will automatically
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// create and destroy the critical section for you.
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// Note: for various reason I made it bad to create this class dynamically
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class ROOT_CRITICAL : public CRITICAL_SECTION {
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public:
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ROOT_CRITICAL (void)
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{
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InitializeCriticalSection (this);
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}
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ROOT_CRITICAL( const ROOT_CRITICAL&)
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{
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InitializeCriticalSection( this );
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}
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~ROOT_CRITICAL (void)
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{
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DeleteCriticalSection (this);
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}
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void Lock(void)
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{
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EnterCriticalSection(this);
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}
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void Unlock(void)
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{
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LeaveCriticalSection(this);
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}
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void *operator new (size_t)
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{
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assert (false);
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return NULL;
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}
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};
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#endif |