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Shouldn't the standard input for different process unique? If so, shouldn't the path of the stdin file be like /dev/pid/stdin instead of a global /dev/stdin?
Does anyone have ideas about this?
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/dev/stdinis unique because/proc/self/fd/0/proc/selfis a symbolic link only seen by your running process to its process-idThe
/procfilesystem is a virtual (not real) filesystem which has the ability to show a different view to each process.Further reading: