void FLMAPI f_mutexLock( F_MUTEX hMutex) { F_INTERLOCK * pInterlock = (F_INTERLOCK *)hMutex; #ifdef FLM_DEBUG if( pInterlock->locked) { f_assert( pInterlock->uiThreadId != _threadid); } #endif while( f_atomicExchange( &pInterlock->locked, 1) != 0) { #ifdef FLM_DEBUG f_atomicInc( &pInterlock->waitCount); #endif Sleep( 0); } #ifdef FLM_DEBUG f_assert( pInterlock->uiThreadId == 0); pInterlock->uiThreadId = _threadid; f_atomicInc( &pInterlock->lockedCount); #endif }
void FLMAPI f_semSignal( F_SEM hSem) { f_atomicInc( &((sema_t *)hSem)->uiSignalCount); (void)ReleaseSemaphore( ((sema_t *)hSem)->hWinSem, 1, NULL); }
extern "C" LONG f_nlmEntryPoint( struct LoadDefinitionStructure * moduleHandle, struct ScreenStruct * initScreen, char * commandLine, char * loadDirectoryPath, LONG uninitializedDataLength, LONG fileHandle, LONG (*ReadRoutine) (LONG handle, LONG offset, char * buffer, LONG length), LONG customDataOffset, LONG customDataSize) { char * pszTmp; char * pszArgStart; int iArgC; int iTotalArgChars; int iArgSize; char ** ppszArgV = NULL; char * pszArgs = NULL; char * pszDestArg; bool bFirstPass = true; char cEnd; ARG_DATA * pArgData = NULL; LONG sdRet = 0; char * pszThreadName; char * pszModuleName; int iModuleNameLen; int iThreadNameLen; int iLoadDirPathSize; void * hThread = NULL; (void)initScreen; (void)uninitializedDataLength; (void)fileHandle; (void)ReadRoutine; (void)customDataOffset; (void)customDataSize; if( f_atomicInc( &gv_NetWareStartupCount) != 1) { goto Exit; } gv_MyModuleHandle = moduleHandle; gv_bUnloadCalled = FALSE; // Allocate the needed resource tags if( (gv_lAllocRTag = AllocateResourceTag( gv_MyModuleHandle, "FLAIM Memory", AllocSignature)) == NULL) { sdRet = 1; goto Exit; } // Syncronized start if (moduleHandle->LDFlags & 4) { gv_lFlmSyncSem = kSemaphoreAlloc( (BYTE *)"FLAIM_SYNC", 0); } // Initialize NSS if( RC_BAD( f_nssInitialize())) { sdRet = 1; goto Exit; } pszModuleName = (char *)(&moduleHandle->LDFileName[ 1]); iModuleNameLen = (int)(moduleHandle->LDFileName[ 0]); // First pass: Count the arguments in the command line // and determine how big of a buffer we will need. // Second pass: Put argments into allocated buffer. Parse_Args: iTotalArgChars = 0; iArgC = 0; iLoadDirPathSize = f_strlen( (const char *)loadDirectoryPath); iArgSize = iLoadDirPathSize + iModuleNameLen; if( !bFirstPass) { ppszArgV[ iArgC] = pszDestArg; f_memcpy( pszDestArg, loadDirectoryPath, iLoadDirPathSize); f_memcpy( &pszDestArg[ iLoadDirPathSize], pszModuleName, iModuleNameLen); pszDestArg[ iArgSize] = 0; pszDestArg += (iArgSize + 1); } iArgC++; iTotalArgChars += iArgSize; pszTmp = commandLine; for (;;) { // Skip leading blanks. while( *pszTmp && *pszTmp == ' ') { pszTmp++; } if( *pszTmp == 0) { break; } if( *pszTmp == '"' || *pszTmp == '\'') { cEnd = *pszTmp; pszTmp++; } else { cEnd = ' '; } pszArgStart = pszTmp; iArgSize = 0; // Count the characters in the parameter. while( *pszTmp && *pszTmp != cEnd) { iArgSize++; pszTmp++; } if( !iArgSize && cEnd == ' ') { break; } // If 2nd pass, save the argument. if( !bFirstPass) { ppszArgV[ iArgC] = pszDestArg; if( iArgSize) { f_memcpy( pszDestArg, pszArgStart, iArgSize); } pszDestArg[ iArgSize] = 0; pszDestArg += (iArgSize + 1); } iArgC++; iTotalArgChars += iArgSize; // Skip trailing quote or blank. if( *pszTmp) { pszTmp++; } } if( bFirstPass) { if ((ppszArgV = (char **)Alloc( sizeof( char *) * iArgC, gv_lAllocRTag)) == NULL) { sdRet = 1; goto Exit; } if( (pszArgs = (char *)Alloc( iTotalArgChars + iArgC, gv_lAllocRTag)) == NULL) { sdRet = 1; goto Exit; } pszDestArg = pszArgs; bFirstPass = false; goto Parse_Args; } iThreadNameLen = (int)(moduleHandle->LDName[ 0]); if( (pszThreadName = (char *)Alloc( iThreadNameLen + 1, gv_lAllocRTag)) == NULL) { sdRet = 1; goto Exit; } f_memcpy( pszThreadName, (char *)(&moduleHandle->LDName[ 1]), iThreadNameLen); pszThreadName[ iThreadNameLen] = 0; if( (pArgData = (ARG_DATA *)Alloc( sizeof( ARG_DATA), gv_lAllocRTag)) == NULL) { sdRet = 1; goto Exit; } pArgData->ppszArgV = ppszArgV; pArgData->pszArgs = pszArgs; pArgData->iArgC = iArgC; pArgData->moduleHandle = moduleHandle; pArgData->pszThreadName = pszThreadName; gv_bMainRunning = TRUE; if( (hThread = kCreateThread( (BYTE *)"FTK main", f_nlmMainStub, NULL, 32768, (void *)pArgData)) == NULL) { gv_bMainRunning = FALSE; sdRet = 2; goto Exit; } if( kSetThreadLoadHandle( hThread, (LONG)moduleHandle) != 0) { (void)kDestroyThread( hThread); gv_bMainRunning = FALSE; sdRet = 2; goto Exit; } if( kScheduleThread( hThread) != 0) { (void)kDestroyThread( hThread); gv_bMainRunning = FALSE; sdRet = 2; goto Exit; } // Synchronized start if( moduleHandle->LDFlags & 4) { (void)kSemaphoreWait( gv_lFlmSyncSem); } Exit: if( sdRet != 0) { f_atomicDec( &gv_NetWareStartupCount); if( ppszArgV) { Free( ppszArgV); } if( pszArgs) { Free( pszArgs); } if( pszThreadName) { Free( pszThreadName); } if( pArgData) { Free( pArgData); } if( gv_lFlmSyncSem) { kSemaphoreFree( gv_lFlmSyncSem); gv_lFlmSyncSem = 0; } if( !gv_bUnloadCalled) { KillMe( moduleHandle); } } return( sdRet); }
/****************************************************************************** Desc: ******************************************************************************/ void LockModule(void) { f_atomicInc( &gv_lockCount); }
FLMINT FTKAPI AddRef( void) { return( f_atomicInc( &m_refCnt)); }