bool daemon_backend::stop()
{
send_stop_signal();
if(m_main_worker_thread.joinable())
m_main_worker_thread.join();
return true;
}
//-----------------------------------------------------------------------------------------------------
bool miner::stop()
{
send_stop_signal();
std::lock_guard<std::mutex> lk(m_threads_lock);
for (auto& th : m_threads) {
th.join();
}
m_threads.clear();
logger(INFO) << "Mining has been stopped, " << m_threads.size() << " finished" ;
return true;
}
int main(int argc, char *argv[])
{
signed char c;
random_init();
install_handler(SIGINT, handle_signal);
install_handler(SIGTERM, handle_signal);
install_handler(SIGQUIT, handle_signal);
install_handler(SIGCHLD, handle_signal);
install_handler(SIGHUP, handle_signal);
debug_config(argv[0]);
while(((c = getopt(argc, argv, "+d:o:O:m:M:s:S:vh")) > -1)) {
switch (c) {
case 'c':
check_interval = string_time_parse(optarg);
break;
case 'd':
debug_flags_set(optarg);
break;
case 'o':
debug_config_file(optarg);
break;
case 'O':
debug_config_file_size(string_metric_parse(optarg));
break;
case 'm':
min_wait_time = string_time_parse(optarg);
break;
case 'M':
max_wait_time = string_time_parse(optarg);
break;
case 's':
start_interval = string_time_parse(optarg);
break;
case 'S':
stop_interval = string_time_parse(optarg);
break;
case 'v':
cctools_version_print(stdout, argv[0]);
exit(0);
break;
case 'h':
default:
show_help(argv[0]);
break;
}
}
cctools_version_debug(D_DEBUG, argv[0]);
if(optind >= argc) {
show_help(argv[0]);
return 1;
}
program_argv = &argv[optind];
state_start = time(0);
state = STATE_READY;
if(program_argv[0][0] != '/') {
fprintf(stderr, "watchdog: please give me the full path to %s\n", program_argv[0]);
return 1;
}
while(1) {
time_t time_in_state = time(0) - state_start;
switch (state) {
case STATE_READY:
if(start_program()) {
change_state(STATE_STARTED);
} else {
change_state(STATE_STOPPED);
start_failures++;
}
break;
case STATE_STARTED:
if(program_exited()) {
change_state(STATE_STOPPED);
start_failures++;
} else if(time_in_state > start_interval) {
change_state(STATE_RUNNING);
} else if(want_to_exit) {
change_state(STATE_STOP_WAIT);
}
break;
case STATE_RUNNING:
start_failures = 0;
if(program_exited()) {
change_state(STATE_STOPPED);
} else if(program_changed()) {
change_state(STATE_STOP_WAIT);
} else if(want_to_exit) {
change_state(STATE_STOP_WAIT);
}
break;
case STATE_STOP_WAIT:
send_stop_signal();
if(program_exited()) {
change_state(STATE_STOPPED);
} else if(time_in_state > stop_interval) {
change_state(STATE_KILL_WAIT);
}
break;
case STATE_KILL_WAIT:
send_kill_signal();
if(program_exited()) {
change_state(STATE_STOPPED);
}
break;
case STATE_STOPPED:
if(want_to_exit) {
debug(D_DEBUG, "all done");
exit(0);
} else {
unsigned int wait_time;
int i;
wait_time = min_wait_time;
for(i = 0; i < start_failures; i++) {
wait_time *= 2;
}
if(wait_time > max_wait_time || wait_time < min_wait_time) {
wait_time = max_wait_time;
}
if(time_in_state >= (int) wait_time) {
change_state(STATE_READY);
}
}
break;
default:
fatal("invalid state %d!\n", state);
break;
}
if(state_changes == 0) {
sleep(5);
} else {
state_changes = 0;
}
}
return 1;
}
