Пример #1
0
ER
wup_tsk(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_WUP_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if (TSTAT_WAIT_SLP(p_tcb->tstat)) {
		if (wait_complete(p_tcb)) {
			dispatch();
		}
		ercd = E_OK;
	}
	else if (!(p_tcb->wupque)) {
		p_tcb->wupque = true;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	t_unlock_cpu();

  error_exit:
	LOG_WUP_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #2
0
ER
iwup_tsk(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_IWUP_TSK_ENTER(tskid);
	CHECK_INTCTX_UNL();
	CHECK_TSKID(tskid);
	p_tcb = get_tcb(tskid);

	i_lock_cpu();
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if (TSTAT_WAIT_SLP(p_tcb->tstat)) {
		if (wait_complete(p_tcb)) {
			reqflg = true;
		}
		ercd = E_OK;
	}
	else if (!(p_tcb->wupque)) {
		p_tcb->wupque = true;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	i_unlock_cpu();

  error_exit:
	LOG_IWUP_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #3
0
ER
get_pri(ID tskid, PRI *p_tskpri)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_GET_PRI_ENTER(tskid, p_tskpri);
	CHECK_TSKCTX_UNL();							/*[NGKI1203][NGKI1204]*/
	if (tskid == TSK_SELF) {
		p_tcb = p_runtsk;						/*[NGKI1211]*/
	}
	else {
		CHECK_ID(VALID_TSKID(tskid));			/*[NGKI1205]*/
		p_tcb = get_tcb(tskid);
	}

	lock_cpu();
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;							/*[NGKI1209]*/
	}
	else {
		*p_tskpri = EXT_TSKPRI(p_tcb->priority);	/*[NGKI1210]*/
		ercd = E_OK;
	}
	unlock_cpu();

  error_exit:
	LOG_GET_PRI_LEAVE(ercd, p_tskpri);
	return(ercd);
}
Пример #4
0
SYSCALL ER
iwup_tsk(ID tskid)
{
	TCB	*tcb;
	UINT	tstat;
	ER	ercd;

	LOG_IWUP_TSK_ENTER(tskid);
	CHECK_INTCTX_UNL();
	CHECK_TSKID(tskid);
	tcb = get_tcb(tskid);

	i_lock_cpu();
	if (TSTAT_DORMANT(tstat = tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if ((tstat & TS_WAIT_SLEEP) != 0) {
		if (wait_complete(tcb)) {
			reqflg = TRUE;
		}
		ercd = E_OK;
	}
	else if (!(tcb->wupcnt)) {
		tcb->wupcnt = TRUE;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	i_unlock_cpu();

    exit:
	LOG_IWUP_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #5
0
SYSCALL ER_UINT
can_wup(ID tskid)
{
	TCB	*tcb;
	ER_UINT	ercd;

	LOG_CAN_WUP_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		ercd = tcb->wupcnt ? 1 : 0;
		tcb->wupcnt = FALSE;
	}
	t_unlock_cpu();

    exit:
	LOG_CAN_WUP_LEAVE(ercd);
	return(ercd);
}
Пример #6
0
ER_UINT
can_wup(ID tskid)
{
	TCB		*p_tcb;
	ER_UINT	ercd;

	LOG_CAN_WUP_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		ercd = p_tcb->wupque ? 1 : 0;
		p_tcb->wupque = false;
	}
	t_unlock_cpu();

  error_exit:
	LOG_CAN_WUP_LEAVE(ercd);
	return(ercd);
}
ER
iact_tsk(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_IACT_TSK_ENTER(tskid);
	CHECK_INTCTX_UNL();
	CHECK_TSKID(tskid);
	p_tcb = get_tcb(tskid);

	i_lock_cpu();
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		if (make_active(p_tcb)) {
			reqflg = true;
		}
		ercd = E_OK;
	}
	else if (!(p_tcb->actque)) {
		p_tcb->actque = true;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	i_unlock_cpu();

  error_exit:
	LOG_IACT_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #8
0
JSP_L1_CODE
SYSCALL ER
ras_tex(ID tskid, TEXPTN rasptn)
{
	TCB	*tcb;
	ER	ercd;

	LOG_RAS_TEX_ENTER(tskid, rasptn);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	CHECK_PAR(rasptn != 0);
	tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(tcb->tstat) || tcb->tinib->texrtn == NULL) {
		ercd = E_OBJ;
	}
	else {
		tcb->texptn |= rasptn;
		if (tcb == runtsk && runtsk->enatex) {
			call_texrtn();
		}
		ercd = E_OK;
	}
	t_unlock_cpu();

    exit:
	LOG_RAS_TEX_LEAVE(ercd);
	return(ercd);
}
Пример #9
0
SYSCALL ER
iact_tsk(ID tskid)
{
	TCB	*tcb;
	ER	ercd;

	LOG_IACT_TSK_ENTER(tskid);
	CHECK_INTCTX_UNL();
	CHECK_TSKID(tskid);
	tcb = get_tcb(tskid);

	i_lock_cpu();
	if (TSTAT_DORMANT(tcb->tstat)) {
		if (make_active(tcb)) {
			reqflg = TRUE;
		}
		ercd = E_OK;
	}
	else if (!(tcb->actcnt)) {
		tcb->actcnt = TRUE;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	i_unlock_cpu();

    exit:
	LOG_IACT_TSK_LEAVE(ercd);
	return(ercd);
}
ER
get_pri(ID tskid, PRI *p_tskpri)
{
	TCB		*p_tcb;
	ER		ercd;
	PCB		*p_pcb;

	LOG_GET_PRI_ENTER(tskid, p_tskpri);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);

	t_lock_cpu();
	p_tcb = get_tcb_self(tskid, get_my_p_pcb());
	p_pcb = t_acquire_tsk_lock(p_tcb);
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		*p_tskpri = EXT_TSKPRI(p_tcb->priority);
		ercd = E_OK;
	}
	release_tsk_lock(p_pcb);
	t_unlock_cpu();

  error_exit:
	LOG_GET_PRI_LEAVE(ercd, *p_tskpri);
	return(ercd);
}
Пример #11
0
SYSCALL ER
get_pri(ID tskid, PRI *p_tskpri)
{
	TCB	*tcb;
	ER	ercd;

	LOG_GET_PRI_ENTER(tskid, p_tskpri);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		*p_tskpri = EXT_TSKPRI(tcb->priority);
		ercd = E_OK;
	}
	t_unlock_cpu();

    exit:
	LOG_GET_PRI_LEAVE(ercd, *p_tskpri);
	return(ercd);
}
Пример #12
0
SYSCALL ER
act_tsk(ID tskid)
{
	TCB	*tcb;
	ER	ercd;

	LOG_ACT_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(tcb->tstat)) {
		if (make_active(tcb)) {
			dispatch();
		}
		ercd = E_OK;
	}
	else if (!(tcb->actcnt)) {
		tcb->actcnt = TRUE;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	t_unlock_cpu();

    exit:
	LOG_ACT_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #13
0
ER
ena_wai(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_ENA_WAI_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (VIOLATE_ACPTN(p_tcb->p_tinib->acvct.acptn2)) {
		ercd = E_OACV;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat) || !(p_tcb->waifbd)) {
		ercd = E_OBJ;
	}
	else {
		p_tcb->waifbd = false;
		ercd = E_OK;
	}
	t_unlock_cpu();

  error_exit:
	LOG_ENA_WAI_LEAVE(ercd);
	return(ercd);
}
Пример #14
0
ER
iena_wai(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_IENA_WAI_ENTER(tskid);
	CHECK_INTCTX_UNL();
	CHECK_TSKID(tskid);
	p_tcb = get_tcb(tskid);

	i_lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat) || !(p_tcb->waifbd)) {
		ercd = E_OBJ;
	}
	else {
		p_tcb->waifbd = false;
		ercd = E_OK;
	}
	i_unlock_cpu();

  error_exit:
	LOG_IENA_WAI_LEAVE(ercd);
	return(ercd);
}
Пример #15
0
JSP_L1_CODE
SYSCALL ER
iras_tex(ID tskid, TEXPTN rasptn)
{
	TCB	*tcb;
	ER	ercd;

	LOG_IRAS_TEX_ENTER(tskid, rasptn);
	CHECK_INTCTX_UNL();
	CHECK_TSKID(tskid);
	CHECK_PAR(rasptn != 0);
	tcb = get_tcb(tskid);

	i_lock_cpu();
	if (TSTAT_DORMANT(tcb->tstat) || tcb->tinib->texrtn == NULL) {
		ercd = E_OBJ;
	}
	else {
		tcb->texptn |= rasptn;
		if (tcb == runtsk && runtsk->enatex) {
			reqflg = TRUE;
		}
		ercd = E_OK;
	}
	i_unlock_cpu();

    exit:
	LOG_IRAS_TEX_LEAVE(ercd);
	return(ercd);
}
Пример #16
0
ER
idis_wai(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_IDIS_WAI_ENTER(tskid);
	CHECK_INTCTX_UNL();
	CHECK_TSKID(tskid);
	p_tcb = get_tcb(tskid);

	i_lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if (p_tcb->waifbd) {
		ercd = E_QOVR;
	}
	else if (i_sense_texmask(p_tcb)) {
		p_tcb->waifbd = true;
		ercd = E_OK;
	}
	else {
		ercd = E_OBJ;
	}
	i_unlock_cpu();

  error_exit:
	LOG_IDIS_WAI_LEAVE(ercd);
	return(ercd);
}
ER
chg_pri(ID tskid, PRI tskpri)
{
	TCB		*p_tcb;
	uint_t	newpri;
	ER		ercd;

	LOG_CHG_PRI_ENTER(tskid, tskpri);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	CHECK_TPRI_INI(tskpri);
	p_tcb = get_tcb_self(tskid);
	newpri = (tskpri == TPRI_INI) ? p_tcb->p_tinib->ipriority
										: INT_PRIORITY(tskpri);

	t_lock_cpu();
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		if (change_priority(p_tcb, newpri)) {
			dispatch();
		}
		ercd = E_OK;
	}
	t_unlock_cpu();

  error_exit:
	LOG_CHG_PRI_LEAVE(ercd);
	return(ercd);
}
Пример #18
0
ER_UINT
can_wup(ID tskid)
{
	TCB		*p_tcb;
	ER_UINT	ercd;

	LOG_CAN_WUP_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (VIOLATE_ACPTN(p_tcb->p_tinib->acvct.acptn1)) {
		ercd = E_OACV;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		ercd = p_tcb->wupque ? 1 : 0;
		p_tcb->wupque = false;
	}
	t_unlock_cpu();

  error_exit:
	LOG_CAN_WUP_LEAVE(ercd);
	return(ercd);
}
Пример #19
0
ER_UINT
can_wup(ID tskid)
{
	TCB		*p_tcb;
	ER_UINT	ercd;

	LOG_CAN_WUP_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	if (tskid == TSK_SELF) {
		p_tcb = p_runtsk;
	}
	else {
		CHECK_ID(VALID_TSKID(tskid));
		p_tcb = get_tcb(tskid);
	}

	lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		ercd = p_tcb->wupque ? 1 : 0;
		p_tcb->wupque = false;
	}
	unlock_cpu();

  error_exit:
	LOG_CAN_WUP_LEAVE(ercd);
	return(ercd);
}
ER
act_tsk(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_ACT_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(p_tcb->tstat)) {
		if (make_active(p_tcb)) {
			dispatch();
		}
		ercd = E_OK;
	}
	else if (!(p_tcb->actque)) {
		p_tcb->actque = true;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	t_unlock_cpu();

  error_exit:
	LOG_ACT_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #21
0
ER
get_pri(ID tskid, PRI *p_tskpri)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_GET_PRI_ENTER(tskid, p_tskpri);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	CHECK_MACV_WRITE(p_tskpri, PRI);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (VIOLATE_ACPTN(p_tcb->p_tinib->acvct.acptn4)) {
		ercd = E_OACV;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		*p_tskpri = EXT_TSKPRI(p_tcb->priority);
		ercd = E_OK;
	}
	t_unlock_cpu();

  error_exit:
	LOG_GET_PRI_LEAVE(ercd, *p_tskpri);
	return(ercd);
}
Пример #22
0
SYSCALL ER
wup_tsk(ID tskid)
{
	TCB	*tcb;
	UINT	tstat;
	ER	ercd;

	LOG_WUP_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (TSTAT_DORMANT(tstat = tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if ((tstat & TS_WAIT_SLEEP) != 0) {
		if (wait_complete(tcb)) {
			dispatch();
		}
		ercd = E_OK;
	}
	else if (!(tcb->wupcnt)) {
		tcb->wupcnt = TRUE;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	t_unlock_cpu();

    exit:
	LOG_WUP_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #23
0
ER
ter_tsk(ID tskid)
{
	TCB		*p_tcb;
	bool_t	dspreq = false;
	ER		ercd;

	LOG_TER_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID(tskid);
	p_tcb = get_tcb(tskid);
	CHECK_NONSELF(p_tcb);

	t_lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (VIOLATE_ACPTN(p_tcb->p_tinib->acvct.acptn2)) {
		ercd = E_OACV;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		if (TSTAT_RUNNABLE(p_tcb->tstat)) {
			/*
			 *  p_tcbは自タスクでないため,(シングルプロセッサでは)実
			 *  行状態でなく,make_non_runnable(p_tcb)でタスクディスパッ
			 *  チが必要になることはない.
			 */
			(void) make_non_runnable(p_tcb);
		}
		else if (TSTAT_WAITING(p_tcb->tstat)) {
			wait_dequeue_wobj(p_tcb);
			wait_dequeue_tmevtb(p_tcb);
		}
		if (!queue_empty(&(p_tcb->mutex_queue))) {
			if ((*mtxhook_release_all)(p_tcb)) {
				dspreq = true;
			}
		}
		make_dormant(p_tcb);
		if (p_tcb->actque) {
			p_tcb->actque = false;
			if (make_active(p_tcb)) {
				dspreq = true;
			}
		}
		if (dspreq) {
			dispatch();
		}
		ercd = E_OK;
	}
	t_unlock_cpu();

  error_exit:
	LOG_TER_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #24
0
ER
sus_tsk(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_SUS_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();							/*[NGKI1299][NGKI1300]*/
	if (tskid == TSK_SELF) {
		p_tcb = p_runtsk;						/*[NGKI1310]*/
	}
	else {
		CHECK_ID(VALID_TSKID(tskid));			/*[NGKI1302]*/
		p_tcb = get_tcb(tskid);
	}

	lock_cpu();
	if (p_tcb == p_runtsk && !dspflg) {			/*[NGKI1311][NGKI3604]*/
		ercd = E_CTX;
	}
	else if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;							/*[NGKI1303]*/
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;							/*[NGKI1305]*/
	}
	else if (p_tcb->raster) {
		ercd = E_RASTER;						/*[NGKI3605]*/
	}
	else if (TSTAT_RUNNABLE(p_tcb->tstat)) {
		/*
		 *  実行できる状態から強制待ち状態への遷移[NGKI1307]
		 */
		p_tcb->tstat = TS_SUSPENDED;
		LOG_TSKSTAT(p_tcb);
		make_non_runnable(p_tcb);
		if (p_runtsk != p_schedtsk) {
			dispatch();
		}
		ercd = E_OK;
	}
	else if (TSTAT_SUSPENDED(p_tcb->tstat)) {
		ercd = E_QOVR;							/*[NGKI1306]*/
	}
	else {
		/*
		 *  待ち状態から二重待ち状態への遷移[NGKI1308]
		 */
		p_tcb->tstat |= TS_SUSPENDED;
		LOG_TSKSTAT(p_tcb);
		ercd = E_OK;
	}
	unlock_cpu();

  error_exit:
	LOG_SUS_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #25
0
ER
sus_tsk(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_SUS_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (p_tcb == p_runtsk && !dspflg) {
		ercd = E_CTX;
	}
	else if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (VIOLATE_ACPTN(p_tcb->p_tinib->acvct.acptn2)) {
		ercd = E_OACV;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if (TSTAT_RUNNABLE(p_tcb->tstat)) {
		/*
		 *  実行できる状態から強制待ち状態への遷移
		 */
		p_tcb->tstat = TS_SUSPENDED;
		LOG_TSKSTAT(p_tcb);
		if (make_non_runnable(p_tcb)) {
			dispatch();
		}
		ercd = E_OK;
	}
	else if (TSTAT_SUSPENDED(p_tcb->tstat)) {
		ercd = E_QOVR;
	}
	else {
		/*
		 *  待ち状態から二重待ち状態への遷移
		 */
		p_tcb->tstat |= TS_SUSPENDED;
		LOG_TSKSTAT(p_tcb);
		ercd = E_OK;
	}
	t_unlock_cpu();

  error_exit:
	LOG_SUS_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #26
0
ER
chg_pri(ID tskid, PRI tskpri)
{
	TCB		*p_tcb;
	uint_t	newbpri;
	ER		ercd;

	LOG_CHG_PRI_ENTER(tskid, tskpri);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	CHECK_TPRI_INI(tskpri);
	p_tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (VIOLATE_ACPTN(p_tcb->p_tinib->acvct.acptn2)) {
		ercd = E_OACV;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else {
		newbpri = (tskpri == TPRI_INI) ? p_tcb->p_tinib->ipriority
											: INT_PRIORITY(tskpri);
		if (!(newbpri >= p_runtsk->p_tinib->p_dominib->minpriority)) {
			ercd = E_ILUSE;
		}
		else if ((!queue_empty(&(p_tcb->mutex_queue))
										|| TSTAT_WAIT_MTX(p_tcb->tstat))
						&& !((*mtxhook_check_ceilpri)(p_tcb, newbpri))) {
			ercd = E_ILUSE;
		}
		else {
			p_tcb->bpriority = newbpri;
			if (queue_empty(&(p_tcb->mutex_queue))
									|| !((*mtxhook_scan_ceilmtx)(p_tcb))) {
				if (change_priority(p_tcb, newbpri, false)) {
					dispatch();
				}
			}
			ercd = E_OK;
		}
	}
	t_unlock_cpu();

  error_exit:
	LOG_CHG_PRI_LEAVE(ercd);
	return(ercd);
}
Пример #27
0
ER
chg_pri(ID tskid, PRI tskpri)
{
	TCB		*p_tcb;
	uint_t	newbpri;
	ER		ercd;

	LOG_CHG_PRI_ENTER(tskid, tskpri);
	CHECK_TSKCTX_UNL();							/*[NGKI1184][NGKI1185]*/
	if (tskid == TSK_SELF) {
		p_tcb = p_runtsk;						/*[NGKI1198]*/
	}
	else {
		CHECK_ID(VALID_TSKID(tskid));			/*[NGKI1187]*/
		p_tcb = get_tcb(tskid);
	}
	if (tskpri == TPRI_INI) {
		newbpri = p_tcb->p_tinib->ipriority;	/*[NGKI1199]*/
	}
	else {
		CHECK_PAR(VALID_TPRI(tskpri));			/*[NGKI1188]*/
		newbpri = INT_PRIORITY(tskpri);
	}

	lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;							/*[NGKI1189]*/
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;							/*[NGKI1191]*/
	}
	else if ((p_tcb->p_lastmtx != NULL || TSTAT_WAIT_MTX(p_tcb->tstat))
						&& !((*mtxhook_check_ceilpri)(p_tcb, newbpri))) {
		ercd = E_ILUSE;							/*[NGKI1201]*/
	}
	else {
		p_tcb->bpriority = newbpri;				/*[NGKI1192]*/
		if (p_tcb->p_lastmtx == NULL || !((*mtxhook_scan_ceilmtx)(p_tcb))) {
			change_priority(p_tcb, newbpri, false);		/*[NGKI1193]*/
			if (p_runtsk != p_schedtsk) {
				dispatch();
			}									/*[NGKI1197]*/
		}
		ercd = E_OK;
	}
	unlock_cpu();

  error_exit:
	LOG_CHG_PRI_LEAVE(ercd);
	return(ercd);
}
Пример #28
0
ER
get_tst(ID tskid, STAT *p_tskstat)
{
	TCB		*p_tcb;
	uint_t	tstat;
	ER		ercd;

	LOG_GET_TST_ENTER(tskid, p_tskstat);
	CHECK_TSKCTX_UNL();							/*[NGKI3614][NGKI3615]*/
	if (tskid == TSK_SELF) {
		p_tcb = p_runtsk;						/*[NGKI3621]*/
	}
	else {
		CHECK_ID(VALID_TSKID(tskid));			/*[NGKI3616]*/
		p_tcb = get_tcb(tskid);
	}

	lock_cpu();
	tstat = p_tcb->tstat;
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;							/*[NGKI3617]*/
	}
	else if (TSTAT_DORMANT(tstat)) {			/*[NGKI3620]*/
		*p_tskstat = TTS_DMT;
	}
	else if (TSTAT_SUSPENDED(tstat)) {
		if (TSTAT_WAITING(tstat)) {
			*p_tskstat = TTS_WAS;
		}
		else {
			*p_tskstat = TTS_SUS;
		}
	}
	else if (TSTAT_WAITING(tstat)) {
		*p_tskstat = TTS_WAI;
	}
	else if (p_tcb == p_runtsk) {
		*p_tskstat = TTS_RUN;
	}
	else {
		*p_tskstat = TTS_RDY;
	}
	ercd = E_OK;
	unlock_cpu();

  error_exit:
	LOG_GET_TST_LEAVE(ercd, p_tskstat);
	return(ercd);
}
Пример #29
0
ER
wup_tsk(ID tskid)
{
	TCB		*p_tcb;
	ER		ercd;

	LOG_WUP_TSK_ENTER(tskid);
	CHECK_UNL();
	if (tskid == TSK_SELF && !sense_context()) {
		p_tcb = p_runtsk;
	}
	else {
		CHECK_ID(VALID_TSKID(tskid));
		p_tcb = get_tcb(tskid);
	}

	lock_cpu();
	if (p_tcb->p_tinib->tskatr == TA_NOEXS) {
		ercd = E_NOEXS;
	}
	else if (TSTAT_DORMANT(p_tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if (TSTAT_WAIT_SLP(p_tcb->tstat)) {
		wait_complete(p_tcb);
		if (p_runtsk != p_schedtsk) {
			if (!sense_context()) {
				dispatch();
			}
			else {
				request_dispatch();
			}
		}
		ercd = E_OK;
	}
	else if (!(p_tcb->wupque)) {
		p_tcb->wupque = true;
		ercd = E_OK;
	}
	else {
		ercd = E_QOVR;
	}
	unlock_cpu();

  error_exit:
	LOG_WUP_TSK_LEAVE(ercd);
	return(ercd);
}
Пример #30
0
SYSCALL ER
sus_tsk(ID tskid)
{
	TCB	*tcb;
	UINT	tstat;
	ER	ercd;

	LOG_SUS_TSK_ENTER(tskid);
	CHECK_TSKCTX_UNL();
	CHECK_TSKID_SELF(tskid);
	tcb = get_tcb_self(tskid);

	t_lock_cpu();
	if (tcb == runtsk && !(enadsp)) {
		ercd = E_CTX;
	}
	else if (TSTAT_DORMANT(tstat = tcb->tstat)) {
		ercd = E_OBJ;
	}
	else if (TSTAT_RUNNABLE(tstat)) {
		/*
		 *  実行できる状態から強制待ち状態への遷移
		 */
		tcb->tstat = TS_SUSPENDED;
		LOG_TSKSTAT(tcb);
		if (make_non_runnable(tcb)) {
			dispatch();
		}
		ercd = E_OK;
	}
	else if (TSTAT_SUSPENDED(tstat)) {
		ercd = E_QOVR;
	}
	else {
		/*
		 *  待ち状態から二重待ち状態への遷移
		 */
		tcb->tstat |= TS_SUSPENDED;
		LOG_TSKSTAT(tcb);
		ercd = E_OK;
	}
	t_unlock_cpu();

    exit:
	LOG_SUS_TSK_LEAVE(ercd);
	return(ercd);
}