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105 lines
4.1 KiB
105 lines
4.1 KiB
13 years ago
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/****************************************************************************
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* sched/group_internal.h
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*
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* Copyright (C) 2007-2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __SCHED_GROUP_INERNAL_H
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#define __SCHED_GROUP_INERNAL_H
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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 <sys/types.h>
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#include <stdbool.h>
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#include <queue.h>
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#include <sched.h>
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#include <nuttx/kmalloc.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/****************************************************************************
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* Global Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* Task group data structure management */
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#ifdef HAVE_TASK_GROUP
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int group_allocate(FAR _TCB *tcb);
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int group_initialize(FAR _TCB *tcb);
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int group_bind(FAR _TCB *tcb);
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int group_join(FAR _TCB *tcb);
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void group_leave(FAR _TCB *tcb);
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#ifndef CONFIG_DISABLE_SIGNALS
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int group_signal(FAR _TCB *tcb, FAR siginfo_t *info);
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#else
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# define group_signal(tcb,info) (0)
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#endif
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#else
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# define group_allocate(tcb) (0)
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# define group_initialize(tcb) (0)
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# define group_bind(tcb) (0)
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# define group_join(tcb) (0)
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# define group_leave(tcb)
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# define group_signal(tcb,info) (0)
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#endif /* HAVE_TASK_GROUP */
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/* Parent/child data management */
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#ifdef CONFIG_SCHED_HAVE_PARENT
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int task_reparent(pid_t ppid, pid_t chpid);
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#ifdef CONFIG_SCHED_CHILD_STATUS
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FAR struct child_status_s *task_allocchild(void);
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void task_freechild(FAR struct child_status_s *status);
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void task_addchild(FAR _TCB *tcb, FAR struct child_status_s *child);
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FAR struct child_status_s *task_exitchild(FAR _TCB *tcb);
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FAR struct child_status_s *task_findchild(FAR _TCB *tcb, pid_t pid);
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FAR struct child_status_s *task_removechild(FAR _TCB *tcb, pid_t pid);
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void task_removechildren(FAR _TCB *tcb);
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#endif
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#endif /* CONFIG_SCHED_HAVE_PARENT */
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#endif /* __SCHED_GROUP_INERNAL_H */
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