72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/*
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* $QNXLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable license fees to QNX
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* Software Systems before you may reproduce, modify or distribute this software,
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* or any work that includes all or part of this software. Free development
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* licenses are available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review this entire
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* file for other proprietary rights or license notices, as well as the QNX
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* Development Suite License Guide at http://licensing.qnx.com/license-guide/
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* for other information.
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* $
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*/
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#include "externs.h"
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static void
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unblock_one(resmgr_context_t *ctp, struct ocb *ocb, MQWAIT **waiting) {
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MQWAIT *wp;
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MQWAIT **owner;
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owner = waiting;
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for( ;; ) {
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wp = *owner;
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if(wp == NULL) break;
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if((wp->scoid == ctp->info.scoid) && (wp->coid == ctp->info.coid)) {
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MsgError(wp->rcvid, EBADF);
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*owner = wp->next;
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MemchunkFree(memchunk, wp);
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} else {
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owner = &wp->next;
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}
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}
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}
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void
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unblock_all(resmgr_context_t *ctp, struct ocb *ocb) {
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MQDEV *dev = ocb->ocb.attr;
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unblock_one(ctp, ocb, &dev->waiting_read);
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unblock_one(ctp, ocb, &dev->waiting_write);
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}
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int
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io_closedup(resmgr_context_t *ctp, io_close_t *msg, struct ocb *ocb) {
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#ifndef MQUEUE_1_THREAD
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MQDEV *dev = ocb->ocb.attr;
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#endif
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#ifndef MQUEUE_1_THREAD
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iofunc_attr_lock(&dev->attr);
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#endif
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unblock_all(ctp, ocb);
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#ifndef MQUEUE_1_THREAD
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iofunc_attr_unlock(&dev->attr);
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#endif
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return EOK;
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}
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__SRCVERSION("io_closedup.c $Rev: 153052 $");
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