The Open Group Base Specifications Issue 6 IEEE Std 1003.1, 2004 Edition 2.4 Signal Concepts 2.4.1 Signal Generation and Delivery A signal is said to be ``generated'' for (or sent to) a process or thread when the event that causes the signal first occurs. Examples of such events include detection of hardware faults, timer expiration, [RTS] Â signals generated via the sigevent structure and terminal
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