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The simplest way to change the action for a signal is to use the
signal function. You can specify a built-in action (such as to
ignore the signal), or you can establish a handler.
The GNU library also implements the more versatile
facility. This section describes both facilities and gives suggestions
on which to use when.
24.3.1 Basic Signal Handling The simple
24.3.2 Advanced Signal Handling The more powerful
24.3.3 Interaction of
How those two functions interact. 24.3.4
An example of using the sigaction function. 24.3.5 Flags for
Specifying options for signal handling. 24.3.6 Initial Signal Actions How programs inherit signal actions.
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