#include//#include "stdafx.h"#define __STDC_CONSTANT_MACROS#define SDL_MAIN_HANDLED#define SDL_THREAD_FINISH (SDL_USEREVENT+1)// 导入SDL库#includeint i = 0;
SDL_mutex* data_lock;
SDL_cond * cond;
SDL_Thread* pthread1;
SDL_Thread* pthread2;
SDL_Event event;
int SDLThread1(void *data)
{
int * pi = (int*)data;
for (;;)
{
if ((*pi) > 99)
{
SDL_Event event;
event.type = SDL_THREAD_FINISH;
SDL_PushEvent(&event);
break;
}
SDL_LockMutex(data_lock);
(*pi)++;
printf("This is SDL Thread1, Current i is [%d]\n", (*pi));
if ((*pi)>=40&&50>=(*pi))
{
SDL_CondSignal(cond);
}
SDL_UnlockMutex(data_lock);
SDL_Delay(10);
}
return 0;
}
int SDLThread2(void *data)
{
int * pi = (int*)data;
for (;;)
{
if ((*pi) > 99)
{
SDL_Event event;
event.type = SDL_THREAD_FINISH;
SDL_PushEvent(&event);
break;
}
SDL_LockMutex(data_lock);
SDL_CondWait(cond, data_lock);
(*pi)++;
printf("This is SDL Thread2, Current i is [%d]\n", (*pi));
SDL_UnlockMutex(data_lock);
SDL_Delay(10);
}
return 0;
}
int main()
{
SDL_Init(SDL_INIT_EVERYTHING);
data_lock = SDL_CreateMutex();
cond = SDL_CreateCond();
pthread2 = SDL_CreateThread(SDLThread2, "Thread2", &i);
pthread1 = SDL_CreateThread(SDLThread1, "Thread1", &i);
for (;;)
{
SDL_WaitEvent(&event);
if (event.type == SDL_THREAD_FINISH)
break;
}
SDL_DestroyCond(cond);
SDL_DestroyMutex(data_lock);
SDL_Quit();
system("pause");
return 0;
}
