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Code Issues

Hack, hack, haaack!

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This commit is contained in:
robocop 2007-03-01 10:35:11 +00:00
parent 252c12a144
commit a9b21b503d
1 changed files with 15 additions and 7 deletions
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22
src/jrd/isc_sync.cpp
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@ -3394,9 +3394,17 @@ static inline BOOL _switchToThread()
}
// VC6 has the wrong declaration for the operating system function.
#if (defined(_MSC_VER) && (_MSC_VER <= 1200))
#define FIX_TYPE(arg) const_cast<LPLONG>(arg)
#else
#define FIX_TYPE(arg) arg
#endif
static inline void lockSharedSection(volatile FAST_MUTEX_SHARED_SECTION* lpSect, ULONG SpinCount)
{
while (InterlockedExchange(&lpSect->lSpinLock, 1) != 0)
while (InterlockedExchange(FIX_TYPE(&lpSect->lSpinLock), 1) != 0)
{
ULONG j = SpinCount;
while (j != 0)
@ -3412,19 +3420,19 @@ next:;
static inline bool tryLockSharedSection(volatile FAST_MUTEX_SHARED_SECTION* lpSect)
{
return (InterlockedExchange(&lpSect->lSpinLock, 1) == 0);
return (InterlockedExchange(FIX_TYPE(&lpSect->lSpinLock), 1) == 0);
}
static inline void unlockSharedSection(volatile FAST_MUTEX_SHARED_SECTION* lpSect)
{
InterlockedExchange(&lpSect->lSpinLock, 0);
InterlockedExchange(FIX_TYPE(&lpSect->lSpinLock), 0);
}
static DWORD enterFastMutex(FAST_MUTEX* lpMutex, DWORD dwMilliseconds)
{
volatile FAST_MUTEX_SHARED_SECTION* lpSect = lpMutex->lpSharedInfo;
while (TRUE)
while (true)
{
DWORD dwResult;
@ -3456,12 +3464,12 @@ static DWORD enterFastMutex(FAST_MUTEX* lpMutex, DWORD dwMilliseconds)
return WAIT_TIMEOUT;
}
InterlockedIncrement(&lpSect->lThreadsWaiting);
InterlockedIncrement(FIX_TYPE(&lpSect->lThreadsWaiting));
unlockSharedSection(lpSect);
// TODO actual timeout can be of any length
dwResult = WaitForSingleObject(lpMutex->hEvent, dwMilliseconds);
InterlockedDecrement(&lpSect->lThreadsWaiting);
InterlockedDecrement(FIX_TYPE(&lpSect->lThreadsWaiting));
if (dwResult != WAIT_OBJECT_0)
return dwResult;
@ -3557,7 +3565,7 @@ static bool initializeFastMutex(FAST_MUTEX* lpMutex, LPSECURITY_ATTRIBUTES lpAtt
lpMutex->lpSharedInfo->lSpinLock = 0;
lpMutex->lpSharedInfo->lThreadsWaiting = 0;
lpMutex->lpSharedInfo->lAvailable = bInitialState ? 0 : 1;
InterlockedExchange((LPLONG)&lpMutex->lpSharedInfo->fInitialized, 1);
InterlockedExchange(FIX_TYPE(&lpMutex->lpSharedInfo->fInitialized), 1);
}
else
{