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21.03

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This commit is contained in:
Igor Pavlov
2021-11-28 19:01:13 -08:00
committed by fn ⌃ ⌥
parent 585698650f
commit d789d4137d
88 changed files with 5996 additions and 1875 deletions
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40
C/Threads.c
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@@ -1,5 +1,5 @@
/* Threads.c -- multithreading library
2021-04-25 : Igor Pavlov : Public domain */
2021-07-12 : Igor Pavlov : Public domain */
#include "Precomp.h"
@@ -150,6 +150,17 @@ WRes Semaphore_Create(CSemaphore *p, UInt32 initCount, UInt32 maxCount)
return HandleToWRes(*p);
}
WRes Semaphore_OptCreateInit(CSemaphore *p, UInt32 initCount, UInt32 maxCount)
{
// if (Semaphore_IsCreated(p))
{
WRes wres = Semaphore_Close(p);
if (wres != 0)
return wres;
}
return Semaphore_Create(p, initCount, maxCount);
}
static WRes Semaphore_Release(CSemaphore *p, LONG releaseCount, LONG *previousCount)
{ return BOOLToWRes(ReleaseSemaphore(*p, releaseCount, previousCount)); }
WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num)
@@ -158,7 +169,9 @@ WRes Semaphore_Release1(CSemaphore *p) { return Semaphore_ReleaseN(p, 1); }
WRes CriticalSection_Init(CCriticalSection *p)
{
/* InitializeCriticalSection can raise only STATUS_NO_MEMORY exception */
/* InitializeCriticalSection() can raise exception:
Windows XP, 2003 : can raise a STATUS_NO_MEMORY exception
Windows Vista+ : no exceptions */
#ifdef _MSC_VER
__try
#endif
@@ -167,7 +180,7 @@ WRes CriticalSection_Init(CCriticalSection *p)
/* InitializeCriticalSectionAndSpinCount(p, 0); */
}
#ifdef _MSC_VER
__except (EXCEPTION_EXECUTE_HANDLER) { return 1; }
__except (EXCEPTION_EXECUTE_HANDLER) { return ERROR_NOT_ENOUGH_MEMORY; }
#endif
return 0;
}
@@ -406,6 +419,27 @@ WRes Semaphore_Create(CSemaphore *p, UInt32 initCount, UInt32 maxCount)
return 0;
}
WRes Semaphore_OptCreateInit(CSemaphore *p, UInt32 initCount, UInt32 maxCount)
{
if (Semaphore_IsCreated(p))
{
/*
WRes wres = Semaphore_Close(p);
if (wres != 0)
return wres;
*/
if (initCount > maxCount || maxCount < 1)
return EINVAL;
// return EINVAL; // for debug
p->_count = initCount;
p->_maxCount = maxCount;
return 0;
}
return Semaphore_Create(p, initCount, maxCount);
}
WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 releaseCount)
{
UInt32 newCount;