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If a 3270 terminal is disconnected while the tty view is active the 3270 driver goes into an endless loop of failed I/O requests until the terminal is connected again. Add code to the raw3270 interrupt handler to check for unit checks due to failed I/O requests and put the device to sleep with the RAW3270_FLAGS_BUSY flag until a unsolicited device end interrupt indicates that the device can be used again. while we are at it simplify the 3270 irq handling and remove unnecessary code. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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Makefile |