74 lines
2.3 KiB
C
74 lines
2.3 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 <sys/iomsg.h>
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#include <sys/iofunc.h>
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#include <sys/resmgr.h>
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#include "iofunc.h"
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void
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iofunc_notify_trigger(iofunc_notify_t *nop, int cnt, int index) {
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iofunc_notify_trigger_strict(NULL, nop, cnt, index);
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return;
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}
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void
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iofunc_notify_trigger_strict(resmgr_context_t *ctp, iofunc_notify_t *nop, int cnt, int index) {
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iofunc_notify_event_t *nep;
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// Trigger all events which have a trigger cnt.
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nop += index;
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nop->cnt = INT_MAX;
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for(nep = nop->list ; nep ; nep = nep->next) {
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/* SIGEV_NONE also implies nep->cnt == INT_MAX */
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if(nep->event.sigev_notify == SIGEV_NONE)
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continue;
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if((ctp == NULL || (ctp->info.scoid == nep->scoid &&
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ctp->info.coid == nep->coid)) && nep->cnt <= cnt) {
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if(nep->event.sigev_notify >= SIGEV_SIGNAL &&
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nep->event.sigev_notify <= SIGEV_PULSE &&
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nep->event.sigev_code == SI_NOTIFY) {
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nep->event.sigev_value.sival_int |= _NOTIFY_COND_INPUT << index;
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if(nep->flags & _NOTIFY_COND_EXTEN) {
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nep->event.sigev_value.sival_int |= _NOTIFY_COND_EXTEN;
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/*
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* Don't have enough bits in sival_int for
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* extended flags. If they've asked for
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* the extended events, it means they're
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* expecting the code to be overwritten.
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*/
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nep->event.sigev_code = -(_NOTIFY_CONDE_RDNORM << index);
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}
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}
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(void)MsgDeliverEvent(nep->rcvid, &nep->event);
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nep->event.sigev_notify = SIGEV_NONE;
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nep->cnt = INT_MAX;
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}
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// Calculate a new min cnt on the fly for the interrupt handler.
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if(nop->cnt > nep->cnt)
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nop->cnt = nep->cnt;
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}
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}
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__SRCVERSION("iofunc_notify_trigger.c $Rev: 153052 $");
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