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SIG_DFL, SIG_IGN - cppreference.com

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Common vocabulary types pair tuple

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[edit] Program support utilities Program termination abort exit quick_exit

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Communicating with the environment system getenv Signals signal raise sig_atomic_t

SIG_DFLSIG_IGN

SIG_ERR Signal types SIGABRTSIGFPESIGILL SIGINTSIGSEGVSIGTERM Non-local jumps setjmp longjmp Types jmp_buf [edit]

Defined in header

<csignal>

#define SIG_DFL /*implementation defined*/

#define SIG_IGN /*implementation defined*/

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 default signal handling SIG_IGN signal is ignored [edit] See also C documentation

for

SIG_DFL, SIG_IGN

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