1 #define _POSIX_SOURCE 2 /* not a posix function, but implemented with posix kill, getpid */ 3 4 #include <signal.h> 5 #include <sys/types.h> 6 #include <unistd.h> 7 8 int 9 raise(int sig) 10 { 11 return kill(getpid(), sig); 12 } 13