Example #1
0
u32_t
sys_arch_sem_wait(sys_sem_t Sema,u32_t u32Timeout)
{

	//Wait u32Timeout msec for the Sema to receive a signal.

	dbgprintf("sys_arch_sem_wait: Sema: %d, Timeout: %x (TID: %d)\n",Sema,u32Timeout,GetThreadId());

	if(u32Timeout==0)
	{

		//Wait with no timeouts.

		return	WaitSema(Sema)==0 ? 0:SYS_ARCH_TIMEOUT;
	}
	else if(u32Timeout==1)
	{

		//Poll.

		return	PollSema(Sema)==0 ? 0:SYS_ARCH_TIMEOUT;
	}
	else
	{

		//Use alarm to timeout.

		iop_sys_clock_t	ClockTicks;
		iop_sys_clock_t	Start;
		iop_sys_clock_t	End;
		int					iPID=GetThreadId();
		u32_t					u32WaitTime;

		GetSystemTime(&Start);
		USec2SysClock(u32Timeout*1000,&ClockTicks);
		SetAlarm(&ClockTicks,TimeoutHandler,(void*)iPID);

		if(WaitSema(Sema)!=0)
		{
			return	SYS_ARCH_TIMEOUT;
		}
		CancelAlarm(TimeoutHandler,(void*)iPID);
		GetSystemTime(&End);

		u32WaitTime=ComputeTimeDiff(&Start,&End);
		return	u32WaitTime<=u32Timeout ? u32WaitTime:u32Timeout;
	}
}
Example #2
0
static u32_t sys_arch_mbox_fetch_internal(sys_mbox_t pMBox, void** ppvMSG, u32_t TimeElaspedout, char block)
{
	void *pmsg;
	u32_t TimeElasped = 0;
	iop_sys_clock_t	ClockTicks;
	iop_sys_clock_t	Start;
	iop_sys_clock_t	End;
	int result, iPID;

	if(block){
		iPID=GetThreadId();

		if(TimeElaspedout > 0)
		{
			GetSystemTime(&Start);
			USec2SysClock(TimeElaspedout * 1000, &ClockTicks);
			SetAlarm(&ClockTicks, &TimeoutHandler, (void*)iPID);
		}

		if((result=ReceiveMbx(&pmsg, pMBox))!= 0) { return(SYS_ARCH_TIMEOUT); }

		if(TimeElaspedout > 0)
		{
			CancelAlarm(TimeoutHandler,(void*)iPID);
			GetSystemTime(&End);

			TimeElasped = ComputeTimeDiff(&Start, &End);
		}
	}
	else{
		TimeElasped=((result=PollMbx(&pmsg, pMBox))!=0)?SYS_MBOX_EMPTY:0;
	}

	if(result==0){
		*ppvMSG = ((arch_message *)pmsg)->sys_msg;
		free_msg((arch_message *) pmsg);
	}

	//Return the number of msec waited.
	return	TimeElasped;
}
Example #3
0
void
thread_main(void *nuttin)
{
    struct timeval tv1, tv2;
    double delay;
    printf("Starting benchmark: \n");
    fflush(stdout);


    /* Install Signal Handlers */
    signal(SIGALRM, alarmsig);
    signal(SIGINT, intsig);
    signal(SIGSEGV, segsig);
    signal(SIGUSR1, siguser);

    while (1) {
        mutex_lock(&mx_go);
        cond_wait(&cond_go, &mx_go);
        mutex_unlock(&mx_go);

        gettimeofday(&tv1, 0);
        if (bmark.testType == 0)
            bmark_user_run();
        else
            bmark_fast_run();
        gettimeofday(&tv2, 0);

        ComputeTimeDiff(&delay, &tv1, &tv2);
#if 0
        if (delay > 1.0)
            printf("*");
        else
            printf(".");
#endif
        printf("Time: %6.2f.\n", delay);
        fflush(stdout);
    }


}
Example #4
0
u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
{
	//Wait TimeElaspedout msec for the Sema to receive a signal.
	dbgprintf("sys_arch_sem_wait: Sema: %d, Timeout: %x (TID: %d)\n", *sem, timeout, GetThreadId());
	u32_t result;

	if(timeout==0)
	{
		//Wait with no timeouts.
		result=(WaitSema(*sem)==0)?0:SYS_ARCH_TIMEOUT;
	}
	else if(timeout==1)
	{
		//Poll.
		result=(PollSema(*sem)==0)?0:SYS_ARCH_TIMEOUT;
	}
	else
	{
		//Use alarm to timeout.
		iop_sys_clock_t	ClockTicks;
		iop_sys_clock_t	Start;
		iop_sys_clock_t	End;
		int	iPID=GetThreadId();
		u32_t	u32WaitTime;

		GetSystemTime(&Start);
		USec2SysClock(timeout*1000,&ClockTicks);
		SetAlarm(&ClockTicks, &TimeoutHandler, (void*)iPID);

		if(WaitSema(*sem)==0){
			CancelAlarm(TimeoutHandler,(void*)iPID);
			GetSystemTime(&End);

			u32WaitTime=ComputeTimeDiff(&Start, &End);
			result=(u32WaitTime<=timeout)?u32WaitTime:timeout;
		}else result=SYS_ARCH_TIMEOUT;
	}

	return result;
}
Example #5
0
u32_t
sys_arch_mbox_fetch(sys_mbox_t pMBox,void** ppvMSG,u32_t u32Timeout)
{
    void *pmsg;
    u32 u32Time = 0;
	iop_sys_clock_t	ClockTicks;
	iop_sys_clock_t	Start;
	iop_sys_clock_t	End;

    if(PollMbx(&pmsg, pMBox) != 0)
    {
    	int iPID=GetThreadId();

        if(u32Timeout > 0)
        {
    		GetSystemTime(&Start);
    		USec2SysClock(u32Timeout * 1000, &ClockTicks);
    		SetAlarm(&ClockTicks, TimeoutHandler, (void*)iPID);
    	}

        if(ReceiveMbx(&pmsg, pMBox) != 0) { return(SYS_ARCH_TIMEOUT); }

        if(u32Timeout > 0)
        {
    		CancelAlarm(TimeoutHandler,(void*)iPID);
    		GetSystemTime(&End);

    		u32Time = ComputeTimeDiff(&Start,&End);
    	}
    }

    if(ppvMSG) { *ppvMSG = ((arch_message *) pmsg)->sys_msg; }

    free_msg((arch_message *) pmsg);

	//Return the number of msec waited.
	return	u32Time;
}