commit
ea5b2e8ae4
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@ -174,7 +174,7 @@ STATIC size_t PipeRingbufferRead(struct PipeDev *dev, VOID *buf, size_t len)
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}
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}
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nbytes = (nbytes > len) ? len : nbytes;
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(VOID)memcpy_s((char *)buf, len, dev->ringBuffer + dev->readIndex, nbytes);
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(VOID)memcpy_s(buf, len, dev->ringBuffer + dev->readIndex, nbytes);
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dev->readIndex += nbytes;
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if (dev->readIndex >= dev->bufferSize) {
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dev->readIndex = 0;
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@ -184,7 +184,7 @@ STATIC size_t PipeRingbufferRead(struct PipeDev *dev, VOID *buf, size_t len)
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return nbytes;
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}
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STATIC size_t PipeRingbufferWrite(struct PipeDev *dev, VOID *buf, size_t len)
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STATIC size_t PipeRingbufferWrite(struct PipeDev *dev, const VOID *buf, size_t len)
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{
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size_t nbytes;
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@ -220,7 +220,6 @@ STATIC INT32 PipeDevRegister(CHAR *devName, UINT32 len)
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return -ENODEV;
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}
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struct PipeDev *devTemp = NULL;
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struct PipeDev *dev = LOS_MemAlloc(OS_SYS_MEM_ADDR, sizeof(struct PipeDev));
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if (dev == NULL) {
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ret = -ENOMEM;
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@ -230,7 +229,7 @@ STATIC INT32 PipeDevRegister(CHAR *devName, UINT32 len)
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(VOID)snprintf_s(dev->devName, PIPE_DEV_NAME_MAX, PIPE_DEV_NAME_MAX - 1, "%s%d", PIPE_DEV_PATH, num);
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(VOID)memcpy_s(devName, len, dev->devName, strlen(dev->devName));
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devTemp = PipeDevFind(dev->devName);
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struct PipeDev *devTemp = PipeDevFind(dev->devName);
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if (devTemp != NULL) {
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ret = -EEXIST;
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goto ERROR;
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@ -389,22 +388,15 @@ INT32 PipeOpen(const CHAR *path, INT32 openFlag, INT32 minFd)
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dev->ringBuffer = LOS_MemAlloc(OS_SYS_MEM_ADDR, PIPE_DEV_BUF_SIZE);
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if (dev->ringBuffer == NULL) {
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PIPE_DEV_UNLOCK(dev->mutex);
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PipeDevFdFree(fd);
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errno = ENOMEM;
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goto ERROR;
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return -1;
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}
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dev->bufferSize = PIPE_DEV_BUF_SIZE;
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}
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PIPE_DEV_UNLOCK(dev->mutex);
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return (fd + minFd);
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ERROR:
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if (dev->ringBuffer != NULL) {
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(VOID)LOS_MemFree(OS_SYS_MEM_ADDR, dev->ringBuffer);
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dev->ringBuffer = NULL;
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}
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PipeDevFdFree(fd);
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return -1;
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}
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STATIC INLINE struct PipeFdDev *PipeFdDevGet(INT32 fd)
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@ -448,9 +440,7 @@ INT32 PipeClose(INT32 fd)
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PIPE_DEV_LOCK(dev->mutex);
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if (openFlag == O_RDONLY) {
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dev->readerCnt--;
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}
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if (openFlag == O_WRONLY) {
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} else if (openFlag == O_WRONLY) {
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dev->writerCnt--;
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}
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@ -676,8 +666,19 @@ int pipe(int filedes[2])
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return -1;
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}
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struct PipeDev *dev = PipeDevFind(devName);
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filedes[0] = open(devName, O_RDONLY);
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if (filedes[0] < 0) {
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(VOID)PipeDevUnregister(dev);
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return -1;
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}
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filedes[1] = open(devName, O_WRONLY);
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if (filedes[1] < 0) {
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(VOID)PipeDevUnregister(dev);
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(VOID)close(filedes[0]);
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return -1;
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}
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return 0;
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}
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@ -128,6 +128,10 @@ VOID PollNotify(struct PollWaitQueue *waitQueue, PollEvent event)
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UINT32 intSave;
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struct PollWaitNode *waitNode = NULL;
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if (waitQueue == NULL) {
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return;
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}
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intSave = LOS_IntLock();
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LOS_DL_LIST_FOR_EACH_ENTRY(waitNode, &waitQueue->queue, struct PollWaitNode, node) {
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if (!event || (event & waitNode->table->event)) {
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