SIG_ERR - cppreference.com (original) (raw)

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Program support utilities

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Unreachable control flow
unreachable(C++23)
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

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| Defined in header | | | | ----------------------------------------------------------------------------- | | | | #define SIG_ERR /* implementation defined */ | | |

A value of type void (*)(int). When returned by std::signal, indicates that an error has occurred.

[edit] See also

signal	sets a signal handler for particular signal (function) [edit]
C documentation for SIG_ERR

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