Some articles on signals, signal handlers, signal:
... Unix that do not conform to the file interface are asynchronous events (signals) ... Signals are received in signal handlers, small, limited pieces of code that run while the rest of the task is suspended if a signal is received and handled while the task is ... Thus an obvious way to handle signals is for signal handlers to set a global flag and have the event loop check for the flag immediately before and after the select call if it ...
Famous quotes containing the word signal:
“Change begets change. Nothing propagates so fast. If a man habituated to a narrow circle of cares and pleasures, out of which he seldom travels, step beyond it, though for never so brief a space, his departure from the monotonous scene on which he has been an actor of importance would seem to be the signal for instant confusion.... The mine which Time has slowly dug beneath familiar objects is sprung in an instant; and what was rock before, becomes but sand and dust.”
—Charles Dickens (18121870)