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https://github.com/zephyrproject-rtos/zephyr
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fb64710410
Hides the existence of these routines from the microkernel's main public API include file, but allows both sysgen and the microkernel itself to continue accessing them. Change-Id: Iaf1beff81d045e9df29eb07517793e4b4410f51e Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
/* microkernel/chan.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 CHAN_H
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#define CHAN_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* GENERIC channel interface functions (map to host / target channels) */
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#define _DEVICE_CHANNEL 0x00008000 /* mask for channels to a ser/par dev */
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extern int task_pipe_put(kpipe_t id,
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void *buffer,
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int NrOfBytesToWrite,
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int *NrOfBytesWritten,
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K_PIPE_OPTION opt);
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extern int task_pipe_put_wait(kpipe_t id,
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void *buffer,
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int NrOfBytesToWrite,
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int *NrOfBytesWritten,
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K_PIPE_OPTION opt);
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extern int task_pipe_put_wait_timeout(kpipe_t id,
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void *buffer,
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int NrOfBytesToWrite,
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int *NrOfBytesWritten,
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K_PIPE_OPTION opt,
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int32_t TimeOut);
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extern int task_pipe_get(kpipe_t id,
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void *buffer,
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int NrOfBytesToRead,
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int *NrOfBytesRead,
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K_PIPE_OPTION opt);
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extern int task_pipe_get_wait(kpipe_t id,
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void *buffer,
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int NrOfBytesToRead,
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int *NrOfBytesRead,
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K_PIPE_OPTION opt);
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extern int task_pipe_get_wait_timeout(kpipe_t id,
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void *buffer,
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int NrOfBytesToRead,
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int *NrOfBytesRead,
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K_PIPE_OPTION opt,
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int32_t timeout);
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extern int _task_pipe_put_async(kpipe_t id, struct k_block block, int size, ksem_t sema);
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#define task_pipe_put_async(Id, block, size, sema) \
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_task_pipe_put_async(Id, block, size, sema)
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typedef int (*PFN_CHANNEL_RW)(kpipe_t, void *, int, int *, K_PIPE_OPTION);
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typedef int (*PFN_CHANNEL_RWT)(kpipe_t,
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void *,
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int,
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int *,
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K_PIPE_OPTION,
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int32_t);
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extern PFN_CHANNEL_RWT pKS_Channel_PutWT; /* maps to KS__ChannelPutWT
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== _task_pipe_put */
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extern PFN_CHANNEL_RWT pKS_Channel_GetWT; /* maps to KS__ChannelGetWT
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== _task_pipe_get */
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/* mapping of KS__ChannelXXX() to _task_pipe_xxx() functions */
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#define KS__ChannelPutWT _task_pipe_put
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#define KS__ChannelGetWT _task_pipe_get
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/* base API functions */
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extern int _task_pipe_put(kpipe_t id,
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void *pBuffer,
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int iNbrBytesToWrite,
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int *piNbrBytesWritten,
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K_PIPE_OPTION Option,
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int32_t TimeOut);
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extern int _task_pipe_get(kpipe_t id,
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void *pBuffer,
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int iNbrBytesToRead,
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int *piNbrBytesRead,
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K_PIPE_OPTION Option,
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int32_t TimeOut);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CHAN_H */
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