79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/****************************************************************************
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* sched/task/task_starthook.c
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*
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* SPDX-License-Identifier: Apache-2.0
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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/sched.h>
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#include "task/task.h"
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#ifdef CONFIG_SCHED_STARTHOOK
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxtask_starthook
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*
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* Description:
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* Configure a start hook... a function that will be called on the thread
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* of the new task before the new task's main entry point is called.
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* The start hook is useful, for example, for setting up automatic
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* configuration of C++ constructors.
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*
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* Input Parameters:
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* tcb - The new, unstarted task task that needs the start hook
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* starthook - The pointer to the start hook function
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* arg - The argument to pass to the start hook function.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void nxtask_starthook(FAR struct task_tcb_s *tcb, starthook_t starthook,
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FAR void *arg)
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{
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/* Only tasks can have starthooks. The starthook will be called when the
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* task is started (or restarted).
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*/
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#ifndef CONFIG_DISABLE_PTHREAD
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DEBUGASSERT(tcb &&
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(tcb->cmn.flags & TCB_FLAG_TTYPE_MASK) !=
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TCB_FLAG_TTYPE_PTHREAD);
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#endif
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/* Set up the start hook */
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tcb->starthook = starthook;
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tcb->starthookarg = arg;
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}
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#endif /* CONFIG_SCHED_STARTHOOK */
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