dd87d51646
Using angle brackets <> for include files instead of "" improves coding consistency. Change-Id: I5edb71be8f834b5090e71b16c7b542429db89711 Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com> Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/* KS_ChPut.c */
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/*
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* Copyright (c) 1997-2015 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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#include <microkernel/k_struct.h>
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#include <kchan.h>
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#include <minik.h>
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#include <toolchain.h>
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/*****************************************************************************/
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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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{
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struct k_args A;
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*piNbrBytesWritten =
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0; /* some users do not check the FUNCTION return value,
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but immediately use iNbrBytesWritten; make sure it always
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has a good value, even when we return failure immediately
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(see below) */
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if (unlikely(iNbrBytesToWrite % SIZEOFUNIT_TO_OCTET(1)))
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return RC_ALIGNMENT;
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if (unlikely(0 == iNbrBytesToWrite))
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return RC_FAIL; /* not allowed because enlisted requests with
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zero size will hang in K_ChProc() */
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if (unlikely(_0_TO_N == Option && TICKS_NONE != TimeOut))
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return RC_FAIL;
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A.Prio = K_Task->Prio;
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A.Comm = CHENQ_REQ;
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A.Time.ticks = TimeOut;
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{
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struct k_chreq ChReq;
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ChReq.ReqInfo.ChRef.Id = Id;
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ChxxxSetChOpt((K_ARGS_ARGS *)&ChReq, Option);
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ChxxxSetReqType((K_ARGS_ARGS *)&ChReq, _SYNCREQ);
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ChReq.ReqType.Sync.iSizeTotal = iNbrBytesToWrite;
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ChReq.ReqType.Sync.pData = pBuffer;
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A.Args.ChReq = ChReq;
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}
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KERNEL_ENTRY(&A);
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*piNbrBytesWritten = A.Args.ChAck.iSizeXferred;
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return A.Time.rcode;
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}
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/*****************************************************************************/
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