81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/****************************************************************************
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* sched/sched/sched_removeblocked.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <assert.h>
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#include <nuttx/queue.h>
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#include "sched/sched.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxsched_remove_blocked
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*
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* Description:
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* This function removes a TCB from one of the blocked state task
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* lists as inferred from the task_state inside the TCB.
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*
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* Input Parameters:
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* btcb - Points to the TCB that is blocked
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* - The caller has established a critical section before
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* calling this function.
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*
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****************************************************************************/
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void nxsched_remove_blocked(FAR struct tcb_s *btcb)
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{
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tstate_t task_state = btcb->task_state;
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/* Make sure the TCB is in a valid blocked state */
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DEBUGASSERT(task_state >= FIRST_BLOCKED_STATE &&
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task_state <= LAST_BLOCKED_STATE);
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/* Remove the TCB from the blocked task list associated
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* with this state
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*/
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dq_rem((FAR dq_entry_t *)btcb, TLIST_BLOCKED(btcb));
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/* Indicate that the wait is over. */
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btcb->waitobj = NULL;
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/* Make sure the TCB's state corresponds to not being in
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* any list
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*/
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btcb->task_state = TSTATE_TASK_INVALID;
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}
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