mingw_help.c

skyeye-1.2-RC7-3的源代码

#include "mingw_help.h"

SDL_sem * get_mingw_read_sem()
{
	return mingw_read_sem;
};

int get_mingw_readed()
{
	return mingw_readed;
};

int set_mingw_readed(int tmp)
{
	mingw_readed = tmp;
	return mingw_readed;
};

int get_mingw_char_read()
{
	return mingw_char_read;
};

int set_mingw_char_read(int tmp)
{
	mingw_char_read = tmp;
	return mingw_char_read;
};

int get_mingw_read_fd()
{
	return mingw_read_fd;	
};

int set_mingw_read_fd(int tmp)
{
	mingw_read_fd = tmp;
	return mingw_read_fd;
};

int get_mingw_sem_first_time()
{
	return mingw_sem_first_time;
};

int set_mingw_sem_first_time(int tmp)
{
	mingw_sem_first_time = tmp;
	return mingw_sem_first_time;
};

int mingw_read_thread(void * par)
{
    while(1)
    {
        if(SDL_SemWait(mingw_read_sem) != -1)
        {
            if( mingw_readed == 0)
            {
               read (mingw_read_fd, &mingw_char_read, 1);
               mingw_readed = 1;
             }
            if(mingw_sem_first_time == 1)
                mingw_sem_first_time = 0;
            SDL_SemPost(mingw_read_sem);
            printf(" \b");
            fflush(stdout);

        }
    }
}

void mingw_start_thread(int fd)
{
         static int mingw_first_run = 1;
         
         if(mingw_first_run == 1)
         {
                      mingw_first_run = 0;
                      mingw_read_fd = fd;
                      mingw_read_sem = SDL_CreateSemaphore(1);
                      SDL_CreateThread(mingw_read_thread, NULL);                       
         }
}