signal Constants

Syntax

#include <signal.h>

The sig argument must be one of the manifest constants listed below (defined in SIGNAL.H).

Constant	Description
SIGABRT	Abnormal termination. The default action terminates the calling program with exit code 3.
SIGABRT_COMPAT	Same as SIGABRT. For compatibility with other platforms.
SIGFPE	Floating-point error, such as overflow, division by zero, or invalid operation. The default action terminates the calling program.
SIGILL	Illegal instruction. The default action terminates the calling program.
SIGINT	CTRL+C interrupt. The default action terminates the calling program with exit code 3.
SIGSEGV	Illegal storage access. The default action terminates the calling program.
SIGTERM	Termination request sent to the program. The default action terminates the calling program with exit code 3.
SIG_ERR	A return type from a signal indicating an error has occurred.