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>
88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/* KS_ChPtA.c */
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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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/* includes */
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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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*
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* _task_pipe_put_async -
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*
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* RETURNS: RC_ALIGNMENT, RC_FAIL, RC_OK
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*/
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int _task_pipe_put_async(
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kpipe_t Id,
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struct k_block Block,
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int iReqSize2Xfer,
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ksem_t Sema
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)
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{
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unsigned int iSize2Xfer;
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struct k_args A;
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iSize2Xfer = min((unsigned)iReqSize2Xfer, (unsigned)(Block.req_size));
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if (unlikely(iSize2Xfer % SIZEOFUNIT_TO_OCTET(1)))
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return RC_ALIGNMENT;
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if (unlikely(0 == iSize2Xfer))
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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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A.Prio = K_Task->Prio;
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A.Comm = CHENQ_REQ;
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A.Time
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.ticks = TICKS_UNLIMITED; /* same behavior in flow as a blocking
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call w/o a 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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/* asynchr. Xfer: */
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{
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ChxxxSetReqType((K_ARGS_ARGS *)&ChReq, _ASYNCREQ);
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ChxxxSetChOpt((K_ARGS_ARGS *)&ChReq,
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_ALL_N); /* force ALL_N */
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ChReq.ReqType.Async.block = Block;
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ChReq.ReqType.Async.iSizeTotal = iSize2Xfer;
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ChReq.ReqType.Async.sema = Sema;
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}
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A.Args.ChReq = ChReq;
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}
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KERNEL_ENTRY(&A);
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return RC_OK;
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}
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