SIG_DFL, SIG_IGN
From cppreference.com
C++
Utilities library
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Program support utilities
Program termination | |||||||||||||||||||||
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Unreachable control flow | |||||||||||||||||||||
(C++23)
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Communicating with the environment | |||||||||||||||||||||
Signals | |||||||||||||||||||||
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Signal types | |||||||||||||||||||||
Non-local jumps | |||||||||||||||||||||
Types | |||||||||||||||||||||
Defined in header
<csignal>
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#define SIG_DFL /*implementation defined*/
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#define SIG_IGN /*implementation defined*/
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The SIG_DFL and SIG_IGN macros expand into integral expressions that are not equal to an address of any function. The macros define signal handling strategies for std:: signal ( ) function.
Constant | Explanation |
SIG_DFL
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default signal handling |
SIG_IGN
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signal is ignored |
See also
C documentation
for
SIG_DFL
,
SIG_IGN
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