int
main(
int ac,
char *av[]
)
{
if (ac != 6) {
cerr << "Usage: "
<< av[0]
<< " <sig> <pid> <max0> <max1> <max2> "
<< endl;
return 1;
}
signal(SIGUSR1, SIG_IGN);
signal(SIGUSR2, die);
int pid, sig;
int max0 = atoi(av[3]);
int max1 = atoi(av[4]);
int max2 = atoi(av[5]);
sig = atoi(av[1]);
pid = atoi(av[2]);
int category=0, t=0;
while(1) {
pid_t pp = getppid();
if(pp == 1) {
cerr << "random_kick: parent went away -- exiting " << endl;
return 1;
}
category = dorandom(3);
switch(category) {
case 0:
t=dorandom(max0);
break;
case 1:
t=dorandom(max1);
break;
case 2:
t=dorandom(max2);
break;
}
cout << "random_kick: pid " << getpid() << " sleep... " << t << endl;
if(t>0) {
sleep(t);
}
cout << "random_kick: kill " << pid << "," << sig << endl;
kill(pid, sig);
}
return 0;
}
long random()
{
long val;
mutex_lock(random_mutex);
val=dorandom();
mutex_unlock(random_mutex);
return val;
}
void srandom(x)
{
register long i;
mutex_lock(random_mutex);
state.state[0]=x;
for(i=1;i!=DEG;++i) state.state[i]=(1103515145*state.state[i-1])+12345;
state.fptr= &state.state[SEP];
state.rptr= &state.state[0];
for(i=0;i!=10*DEG;++i) dorandom();
mutex_unlock(random_mutex);
}
