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So, unless you are certain open cannot fail on an EIO, don't test if the open succeeded and directly go to the sysread and catch your EIO there.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

My blog: Imperial Deltronics

In reply to Re^3: I/O Watchdog Daemon by CountZero
in thread I/O Watchdog Daemon by IdleResonance

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