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SIG_DFL, SIG_IGN - cppreference.com

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source_location

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Coroutine support (C++20) Contract support (C++26) Three-way comparison three_way_comparablethree_way_comparable_with

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weak_order

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partial_order

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compare_strong_order_fallback

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compare_partial_order_fallback

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is_eqis_ltis_lteq

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Relational operators (deprecated in C++20) rel_ops::operator!=rel_ops::operator> rel_ops::operator<=rel_ops::operator>= Integer comparison functions cmp_equalcmp_lesscmp_less_than

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cmp_not_equalcmp_greatercmp_greater_than

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in_range

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move

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Common vocabulary types pair tuple

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tuple_size

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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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