src/threads.cpp

   1 #include <pthread.h>
   2 #include <unistd.h>
   3 #include <signal.h>
   4 #include <sys/types.h>
   5 #include <GL/glut.h>
   6 #include <iostream>
   7 #include <algorithm>
   8 #include "threads.h"
   9 #include "graphics.h"
  10 #include "game.h"
  11
  12
  13 using namespace std;
  14
  15 void Threads::startMapBackupThread(){
  16         Game::log("Starting Map Backup Thread");
  17         pthread_t thread_id;
  18         pthread_create(&thread_id, NULL, &mapBackupThread, NULL);
  19 }
  20 void *Threads::mapBackupThread(void *unused){
  21         while(true){
  22                 sleep(MAP_BACKUP_INTERVAL);
  23                 Game::map -> save();
  24         }
  25         return NULL;
  26 }
  27 void Threads::startGraphicUpdateThread(){
  28         Game::log("Starting Graphic Update Thread");
  29         pthread_t thread_id;
  30         pthread_create(&thread_id, NULL, &graphicUpdateThread, NULL);
  31 }
  32 void *Threads::graphicUpdateThread(void *unused){
  33         while(true){
  34                 usleep(1);
  35                 if(glutGetWindow())
  36                         glutPostRedisplay();
  37         }
  38         return NULL;
  39 }
  40 void Threads::addSignalHandlers(){
  41 #ifndef _WIN32
  42         struct sigaction sa_sigterm;
  43         sa_sigterm.sa_handler = &signal_handler;
  44         sigaction(SIGTERM, &sa_sigterm, NULL);
  45
  46         struct sigaction sa_sigint;
  47         sa_sigint.sa_handler = &signal_handler;
  48         sigaction(SIGINT, &sa_sigint, NULL);
  49 #endif
  50 }
  51 void Threads::signal_handler(int signal_number){
  52 #ifndef _WIN32
  53         Game::log((string)"Got "+sys_siglist[signal_number]+" Signal, Exiting.");
  54         Game::map -> save();
  55         exit(0);
  56 #endif
  57 }