W3cubDocs

/C++

SIG_ERR

Defined in header <csignal>
#define SIG_ERR /* implementation defined */

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

See also

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

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/w/cpp/utility/program/SIG_ERR