81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/* K_ChPAck.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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#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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#include <sections.h>
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#include <misc/__assert.h>
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/*****************************************************************************/
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void K_ChSendAck(struct k_args *Request)
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{
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if (_ASYNCREQ == ChxxxGetReqType(&(Request->Args))) {
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struct k_chack *pChAck = (struct k_chack *)&(Request->Args.ChAck);
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{
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/* invoke command to release block: */
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struct k_args A;
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struct k_block *blockptr;
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blockptr = &(pChAck->ReqType.Async.block);
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A.Comm = REL_BLOCK;
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A.Args.p1.poolid = blockptr->poolid;
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A.Args.p1.req_size = blockptr->req_size;
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A.Args.p1.rep_poolptr = blockptr->address_in_pool;
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A.Args.p1.rep_dataptr = blockptr->pointer_to_data;
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_k_mem_pool_block_release(&A); /* will return immediately */
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}
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if ((ksem_t)NULL != pChAck->ReqType.Async.sema) {
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/* invoke command to signal sema: */
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struct k_args A;
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A.Comm = SIGNALS;
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A.Args.s1.sema = pChAck->ReqType.Async.sema;
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_k_sem_signal(&A); /* will return immediately */
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}
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} else {
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/* Reschedule the sender task: */
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struct k_args *LocalReq;
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LocalReq = Request->Ctxt.args;
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LocalReq->Time.rcode = Request->Time.rcode;
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LocalReq->Args.ChAck = Request->Args.ChAck;
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reset_state_bit(LocalReq->Ctxt.proc, TF_SEND | TF_SENDDATA);
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}
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FREEARGS(Request);
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}
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/*****************************************************************************/
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