RAISE

send a signal to the current process

#include <signal.h>
int raise(int sig);

Standard C Library (libc, -lc)

The raise function sends the signal sig to the current process.

The raise function may fail and set errno for any of the errors specified for the library functions getpid(2) and kill(2).

The raise function conforms to ISO/IEC 9899:1990 ("ISO C89")