#include #include #include #include int main(int argc, char **argv) { if(argc != 2) return 1; unsigned int pid; if(sscanf(argv[1],"%u",&pid) != 1) return 2; int i = 0; while(i++ < 50) { kill(pid, SIGINT); usleep(i); kill(pid, SIGINT); usleep(100); } return 0; }