RAISE(3) Linux Programmer's Manual RAISE(3)
raise - send a signal to the current process
#include <signal.h> int raise (int sig);
The raise function sends a signal to the current process. It is equivalent to kill(getpid(),sig)
0 on success, nonzero for failure.
ANSI-C
kill(2), signal(2), getpid(2) GNU August 31, 1995 1