/* 根据消息队列ID,创建消息队列. */ int createMsgQueue(int registerMsgID) { key_t key; int msgqueue_id; ipcMsgQueueData_t msg; int ret; if (registerMsgID >= REGISTER_MSG_ID_MAX) { return -2; } initMsgQueue(); key = baseKey+registerMsgID; if (msgqueueArray[registerMsgID] == -1) { if ((msgqueue_id = msgget(key,IPC_CREAT | 0660 )) == -1 ) { fprintf(stderr, "create msg queue is failed\r\n"); return -1; } msgqueueArray[registerMsgID] = msgqueue_id; //清理msg队列里面多余的消息 while(1) { ret = recvMsgQueueTimeOut(registerMsgID, &msg, 100); if (ret < 0) { break; } } return msgqueue_id; } return -3; }
static void x_ipc_freeContext(X_IPC_CONTEXT_PTR *context) { if (!*context) return; x_ipcFree((char *)(*context)->servHostGlobal); x_ipc_freeContextList(&((*context)->queryNotificationList)); x_ipc_freeContextList(&((*context)->connectNotifyList)); x_ipc_freeContextList(&((*context)->disconnectNotifyList)); x_ipc_freeContextList(&((*context)->changeNotifyList)); LOCK_M_MUTEX; x_ipcRefFree(GET_M_GLOBAL(x_ipcRootNodeGlobal)); GET_M_GLOBAL(x_ipcRootNodeGlobal) = NULL; UNLOCK_M_MUTEX; x_ipc_freeContextList(&((*context)->x_ipcRefFreeList)); x_ipc_hashTableFree(&((*context)->moduleConnectionTable), x_ipc_hashItemsFree, NULL); x_ipc_hashTableFree(&((*context)->handlerTable), (HASH_ITER_FN) x_ipc_hndFree, NULL); x_ipc_hashTableFree(&((*context)->messageTable), (HASH_ITER_FN) x_ipc_msgFree, NULL); x_ipc_hashTableFree(&((*context)->resourceTable),x_ipc_hashItemsFree, NULL); x_ipc_idTableFree(&(*context)->hndIdTable); x_ipc_idTableFree(&(*context)->msgIdTable); x_ipc_listFreeAllItems((LIST_FREE_FN)x_ipc_dataMsgFree, (*context)->pendingReplies); x_ipc_listFree(&((*context)->pendingReplies)); (*context)->pendingReplies = NULL; x_ipcFree((char *)(*context)->msgQueue.messages); initMsgQueue(&(*context)->msgQueue); x_ipc_strListFree(&((*context)->tappedMsgs),TRUE); x_ipc_strListFree(&((*context)->broadcastMsgs),TRUE); x_ipc_listFree(&((*context)->queryNotificationList)); x_ipcFree((char *)*context); *context = NULL; }
void x_ipc_globalMInit(void) { #if defined(VXWORKS) if (x_ipc_gM == NULL) { if (taskVarAdd(0, (int *)&x_ipc_gM) != OK) { printErr("taskVarAdd failed\n"); } } #endif if (mGlobalp() && GET_C_GLOBAL(valid)) { /* Already initialized, nothing to do. */ return; } else if (x_ipc_isValidServerConnection()) { /* Already running, shut down and reinitialize. */ LOCK_CM_MUTEX; SHUTDOWN_SOCKET(GET_C_GLOBAL(serverRead)); if (GET_C_GLOBAL(serverRead) != GET_C_GLOBAL(serverWrite)) SHUTDOWN_SOCKET(GET_C_GLOBAL(serverWrite)); UNLOCK_CM_MUTEX; x_ipc_globalMInvalidate(); x_ipc_globalMFree(); } else if (mGlobalp()){ /* Was initialized, but the current values are not valid. */ /* Free some memory and reinitialize. */ x_ipc_globalMFree(); } /* Never created or has been freed, set the global pointer. */ #if defined(VXWORKS) x_ipc_gM = (GM_TYPE *)x_ipcMalloc(sizeof(GM_TYPE)); bzero((void *)x_ipc_gM,sizeof(GM_TYPE)); #else x_ipc_gM_ptr = &x_ipc_gM; #endif #ifdef THREADED initMutex(&GET_M_GLOBAL(mutex)); #endif GET_M_GLOBAL(currentContext) = (X_IPC_CONTEXT_PTR)x_ipcMalloc(sizeof(X_IPC_CONTEXT_TYPE)); #ifdef THREADED initMutex(&GET_C_GLOBAL(mutex)); LOCK_CM_MUTEX; initMutex(&GET_M_GLOBAL(selectMutex)); initPing(&GET_M_GLOBAL(ping)); initMutex(&GET_C_GLOBAL(ioMutex)); initMutex(&listMutex); #endif #if defined(VXWORKS) || defined(NMP_IPC) GET_M_GLOBAL(enableDistributedResponses) = TRUE; #else GET_M_GLOBAL(enableDistributedResponses) = FALSE; #endif GET_C_GLOBAL(willListen) = -1; GET_C_GLOBAL(valid) = FALSE; GET_M_GLOBAL(byteOrder) = BYTE_ORDER; GET_M_GLOBAL(alignment) = (ALIGNMENT_TYPE)ALIGN; GET_C_GLOBAL(serverRead) = NO_SERVER_GLOBAL; GET_C_GLOBAL(serverWrite) = NO_SERVER_GLOBAL; GET_C_GLOBAL(directDefault) = FALSE; GET_M_GLOBAL(pipeBroken) = FALSE; GET_M_GLOBAL(bufferToAlloc) = NULL; /* not done */ GET_M_GLOBAL(byteFormat) = NULL; GET_M_GLOBAL(charFormat) = NULL; GET_M_GLOBAL(doubleFormat) = NULL; GET_M_GLOBAL(floatFormat) = NULL; GET_M_GLOBAL(intFormat) = NULL; GET_M_GLOBAL(longFormat) = NULL; GET_M_GLOBAL(shortFormat) = NULL; GET_M_GLOBAL(classFormatTable) = NULL; GET_M_GLOBAL(formatNamesTable) = NULL; GET_C_GLOBAL(handlerTable) = NULL; GET_C_GLOBAL(messageTable) = NULL; GET_C_GLOBAL(resourceTable) = NULL; GET_C_GLOBAL(hndIdTable) = NULL; GET_C_GLOBAL(msgIdTable) = NULL; GET_M_GLOBAL(listCellFreeListGlobal) = NULL; GET_M_GLOBAL(dataMsgBufferList) = NULL; GET_M_GLOBAL(listFreeListGlobal) = NULL; GET_C_GLOBAL(moduleConnectionTable) = NULL; GET_C_GLOBAL(pendingReplies) = NULL; initMsgQueue(&GET_C_GLOBAL(msgQueue)); GET_C_GLOBAL(queryNotificationList) = NULL; GET_C_GLOBAL(connectNotifyList) = NULL; GET_C_GLOBAL(disconnectNotifyList) = NULL; GET_C_GLOBAL(changeNotifyList) = NULL; GET_C_GLOBAL(x_ipcRefFreeList) = NULL; /* GET_M_GLOBAL(x_ipcDefaultTimeGlobal) = {NoTime, {NoInterval, 0}}; */ /* 16-Jan-93 */ /* GET_M_GLOBAL(versionGlobal);*/ #if defined(DBMALLOC) GET_M_GLOBAL(x_ipcMallocMemHnd) = debug_malloc; #elif defined(__TURBOC__) GET_M_GLOBAL(x_ipcMallocMemHnd) = farmalloc; #else GET_M_GLOBAL(x_ipcMallocMemHnd) = malloc; #endif GET_M_GLOBAL(modNameGlobal) = NULL; GET_C_GLOBAL(servHostGlobal) = NULL; FD_ZERO(&(GET_C_GLOBAL(x_ipcConnectionListGlobal))); FD_ZERO(&(GET_C_GLOBAL(x_ipcListenMaskGlobal))); #ifdef LISP GET_M_GLOBAL(lispFlagGlobal) = '\0'; GET_M_GLOBAL(lispRefSaveGlobal) = NULL; #ifdef CLISP GET_M_GLOBAL(lispBufferSizeGlobal) = lispbuffersize; GET_M_GLOBAL(lispDecodeMsgGlobal) = lispdecode; GET_M_GLOBAL(lispEncodeMsgGlobal) = lispencode; GET_M_GLOBAL(lispExitGlobal) = lispexit; #else /* !CLISP */ GET_M_GLOBAL(lispBufferSizeGlobal) = NULL; GET_M_GLOBAL(lispDecodeMsgGlobal) = NULL; GET_M_GLOBAL(lispEncodeMsgGlobal) = NULL; GET_M_GLOBAL(lispExitGlobal) = NULL; #endif /* !CLISP */ #ifdef NMP_IPC GET_M_GLOBAL(lispQueryResponseGlobal) = NULL; #endif #endif /* LISP */ GET_M_GLOBAL(DMFree) = 0; GET_M_GLOBAL(DMTotal) =0; GET_M_GLOBAL(DMmin) = 0; GET_M_GLOBAL(DMmax) = 0;; GET_M_GLOBAL(directFlagGlobal) = 0; GET_M_GLOBAL(expectedWaitGlobal) = FALSE; GET_M_GLOBAL(freeMemRetryAmount) = 0; /* not done - only used in behaviors.c does not change */ GET_M_GLOBAL(inconsistentConstraintsGlobal)[0] = (PLAN_FIRST+DELAY_PLANNING); GET_M_GLOBAL(inconsistentConstraintsGlobal)[1] = 0; GET_M_GLOBAL(mallocMemRetryAmount) = 1; GET_C_GLOBAL(parentRefGlobal) = -1; GET_C_GLOBAL(sendMessageRefGlobal) = 1; GET_C_GLOBAL(listenPortNum) = 0; GET_C_GLOBAL(listenPort) = NO_FD; GET_C_GLOBAL(listenSocket) = NO_FD; GET_M_GLOBAL(totalMemRequest) = 0; GET_M_GLOBAL(totalMemBytes) = 0; GET_M_GLOBAL(indentGlobal) = 0; GET_M_GLOBAL(dPrintBYTE_FN) = NULL; GET_M_GLOBAL(dPrintUBYTE_FN) = NULL; GET_M_GLOBAL(dPrintCHAR_FN) = NULL; GET_M_GLOBAL(dPrintDOUBLE_FN) = NULL; GET_M_GLOBAL(dPrintFLOAT_FN) = NULL; GET_M_GLOBAL(dPrintFORMAT_FN) = NULL; GET_M_GLOBAL(dPrintINT_FN) = NULL; GET_M_GLOBAL(dPrintBOOLEAN_FN) = NULL; GET_M_GLOBAL(dPrintLONG_FN) = NULL; #ifndef NMP_IPC GET_M_GLOBAL(dPrintMAP_FN) = NULL; #endif GET_M_GLOBAL(dPrintSHORT_FN) = NULL; GET_M_GLOBAL(dPrintSTR_FN) = NULL; GET_M_GLOBAL(dPrintX_IPC_FN) = NULL; GET_M_GLOBAL(dPrintTWOBYTE_FN) = NULL; GET_M_GLOBAL(dPrintUINT_FN) = NULL; GET_M_GLOBAL(dPrintUSHORT_FN) = NULL; GET_M_GLOBAL(dPrintULONG_FN) = NULL; GET_M_GLOBAL(Message_Ignore_Set) = NULL; GET_M_GLOBAL(x_ipcExitHnd) = NULL; GET_M_GLOBAL(x_ipcFreeMemoryHnd) = NULL; GET_M_GLOBAL(logList)[0] = NULL; GET_M_GLOBAL(logList)[1] = NULL; GET_M_GLOBAL(logList)[2] = NULL; GET_M_GLOBAL(Found_Key) = NULL;/***/ GET_C_GLOBAL(tappedMsgs) = NULL; GET_C_GLOBAL(broadcastMsgs) = NULL; GET_C_GLOBAL(maxConnection) = 0; GET_M_GLOBAL(requiredResources) = x_ipc_strListCreate(); GET_M_GLOBAL(moduleList) = NULL; #ifdef NMP_IPC GET_M_GLOBAL(timerList) = x_ipc_listCreate(); #endif #ifdef LISPWORKS_FFI_HACK GET_C_GLOBAL(execHndState).state = ExecHnd_Idle; #endif UNLOCK_CM_MUTEX; }