inter-process communication pipe aa...aa cannot be generated. error number=bbb

aa...aa: Pipe name (string of up to 16 characters)

bbb: Error number (errno of the mknod system call)

S:

Input pipe of UAP process (pipe name cpixxxxx)

Terminates the UAP process (debugger process).

Input pipe of tester process (pipe name ppixxxxx)

Terminates the offline tester.

O: Terminate the offline tester, remove the cause of the error indicated by the error number, then reactivate the offline tester.