void ConcurrentG1Refine::adjust(double update_rs_time,
size_t update_rs_processed_buffers,
double goal_ms) {
DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
if (G1UseAdaptiveConcRefinement) {
update_zones(update_rs_time, update_rs_processed_buffers, goal_ms);
update_thread_thresholds();
// Change the barrier params
if (_n_worker_threads == 0) {
// Disable dcqs notification when there are no threads to notify.
dcqs.set_process_completed_threshold(INT_MAX);
} else {
// Worker 0 is the primary; wakeup is via dcqs notification.
STATIC_ASSERT(max_yellow_zone <= INT_MAX);
size_t activate = _threads[0]->activation_threshold();
dcqs.set_process_completed_threshold((int)activate);
}
dcqs.set_max_completed_queue((int)red_zone());
}
size_t curr_queue_size = dcqs.completed_buffers_num();
if (curr_queue_size >= yellow_zone()) {
dcqs.set_completed_queue_padding(curr_queue_size);
} else {
dcqs.set_completed_queue_padding(0);
}
dcqs.notify_if_necessary();
}
int main(int argc, char **argv) {
FILE *fp;
int iostream;
char database[128];
char directory[128];
char execute[128];
char password[128];
char username[128];
char server[128];
char serials[32];
char buf[1024];
char val[128];
int update;
MYSQL dbh;
/* default values */
strcpy(database, "dns");
strcpy(directory, "/var/named/dynamic");
strcpy(execute, "");
strcpy(password, "");
strcpy(username, "root");
strcpy(server, "localhost");
strcpy(serials, "");
update = 60;
openlog(PROG_NAME, LOG_PID, LOG_DAEMON);
/* read options */
if ((fp = fopen("/etc/mysql2dns.conf", "r")) == NULL) {
syslog(LOG_ERR, "ERROR: reading /etc/mysql2dns.conf");
exit(EXIT_FAILURE);
}
while (fgets(buf, sizeof(buf), fp)) {
if ((buf[0] == '#') || (buf[0] == '\n')) {
continue;
} else if ((sscanf(buf, "database: %127[A-Za-z0-9 .:/_+-]", val)) == 1) {
snprintf(database, sizeof(database), "%s", val);
continue;
} else if ((sscanf(buf, "directory: %127[A-Za-z0-9 .:/_+-]", val)) == 1) {
snprintf(directory, sizeof(directory), "%s", val);
continue;
} else if ((sscanf(buf, "execute: %127[A-Za-z0-9 .:/_+-]", val)) == 1) {
snprintf(execute, sizeof(execute), "%s", val);
continue;
} else if ((sscanf(buf, "password: %127[A-Za-z0-9 .:/_+-]", val)) == 1) {
snprintf(password, sizeof(password), "%s", val);
continue;
} else if ((sscanf(buf, "username: %127[A-Za-z0-9 .:/_+-]", val)) == 1) {
snprintf(username, sizeof(username), "%s", val);
continue;
} else if ((sscanf(buf, "server: %127[A-Za-z0-9 .:/_+-]", val)) == 1) {
snprintf(server, sizeof(server), "%s", val);
continue;
} else if ((sscanf(buf, "update: %127[A-Za-z0-9 .:/_+-]", val)) == 1) {
update = atoi(val);
continue;
}
}
fclose(fp);
/* go to background */
if (fork())
exit(EXIT_SUCCESS);
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
iostream = open(_PATH_DEVNULL, O_RDWR);
dup(iostream);
dup(iostream);
if (!mysql_init(&dbh)) {
syslog(LOG_ERR, "%s", mysql_error(&dbh));
exit(EXIT_FAILURE);
}
do {
if (!mysql_real_connect(&dbh, server, username, password, database, 0, NULL, 0)) {
syslog(LOG_ERR, "%s", mysql_error(&dbh));
} else if (change_serials(&dbh, serials, sizeof(serials))) {
update_zones(&dbh, directory);
if (strlen(execute)) {
system(execute);
}
mysql_close(&dbh);
}
} while (!sleep(update));
closelog();
return 0;
}
