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https://github.com/zephyrproject-rtos/zephyr
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ef4521396e
This feature is still under development, so it's APIs shouldn't be publicly advertised yet. And while they are being relocated, they are renamed to adhere to kernel coding conventions. Change-Id: I7a41d98e2fbb3b975fa42814cf64854f8cc0b623 Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/* microkernel/task.h */
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/*
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* Copyright (c) 1997-2014 Wind River Systems, Inc.
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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 are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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#ifndef TASK_H
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#define TASK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The following task groups are reserved for system use.
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* SysGen automatically generates corresponding TASKGROUPs with reserved
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* GROUPIDs (in the SysGen files SgObjectCount.cpp - TaskGroupIDSetter
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* constructor; and SgSystem.cpp - AddDefaultObjects method).
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* These files must be updated if any changes are made to the reserved groups.
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*/
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#define EXE_GROUP 1 /* TASKGROUP EXE */
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#define USR_GROUP 2 /* TASKGROUP SYS */
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#define FPU_GROUP 4 /* TASKGROUP FPU */
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extern void _task_ioctl(ktask_t, int);
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extern void _task_group_ioctl(ktask_group_t, int);
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extern void task_yield(void);
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extern void task_priority_set(ktask_t task, kpriority_t prio);
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extern void task_entry_set(ktask_t task, void (*func)(void));
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extern void task_abort_handler_set(void (*func)(void));
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extern int task_offload_to_fiber(int (*)(), void *);
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/*
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* Operations supported by _task_ioctl() and _task_group_ioctl()
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*/
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#define TASK_START 0
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#define TASK_ABORT 1
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#define TASK_SUSPEND 2
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#define TASK_RESUME 3
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#define TASK_BLOCK 4
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#define TASK_UNBLOCK 5
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#define TASK_GROUP_START 0
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#define TASK_GROUP_ABORT 1
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#define TASK_GROUP_SUSPEND 2
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#define TASK_GROUP_RESUME 3
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#define TASK_GROUP_BLOCK 4
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#define TASK_GROUP_UNBLOCK 5
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extern ktask_t task_id_get();
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extern kpriority_t task_priority_get();
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#define task_start(t) _task_ioctl(t, TASK_START)
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#define task_abort(t) _task_ioctl(t, TASK_ABORT)
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#define task_suspend(t) _task_ioctl(t, TASK_SUSPEND)
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#define task_resume(t) _task_ioctl(t, TASK_RESUME)
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extern uint32_t task_group_mask_get();
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extern void task_group_join(uint32_t groups);
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extern void task_group_leave(uint32_t groups);
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#define task_group_start(g) _task_group_ioctl(g, TASK_GROUP_START)
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#define task_group_abort(g) _task_group_ioctl(g, TASK_GROUP_ABORT)
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#define task_group_suspend(g) _task_group_ioctl(g, TASK_GROUP_SUSPEND)
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#define task_group_resume(g) _task_group_ioctl(g, TASK_GROUP_RESUME)
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#define isr_task_id_get() task_id_get()
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#define isr_task_priority_get() task_priority_get()
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#define isr_task_group_mask_get() task_group_mask_get()
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#ifdef __cplusplus
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}
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#endif
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#endif /* TASK_H */
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