SIGINT

From Cppreference

C++ Standard Library
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Utilities library
Program support utilities
Program termination abort exit quick_exit (C++11) _Exit (C++11) atexit at_quick_exit (C++11) EXIT_SUCCESS EXIT_FAILURE Communicating with the environment system getenv Signals signal raise SIG_DFL SIG_IGN SIG_ERR Signal types SIGABRT SIGFPE SIGILL SIGINT SIGSEGV SIGTERM Non-local jumps setjmp longjmp Types jmp_buf

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

The SIGINT macro expands into an integral expression, defining a signal number. This signal represents external interrupt, usually initiated by the user.

[edit] See also

signal	sets a signal handler for particular signal (function)
raise	runs the signal handler for particular signal (function)