42 lines
1.2 KiB
C
42 lines
1.2 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 <unistd.h>
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#include <time.h>
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#include <string.h>
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#include <inttypes.h>
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#include <sys/neutrino.h>
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unsigned alarm(unsigned secs) {
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struct _itimer i, o;
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unsigned ret;
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i.nsec = secs * (uint64_t)1000000000;
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i.interval_nsec = 0;
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if(TimerAlarm(CLOCK_REALTIME, &i, &o) == -1) return (unsigned)-1;
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/* this call cannot return 0, unless the timer has fired */
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ret = (unsigned)(o.nsec / (uint64_t)1000000000);
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return (o.nsec && ret == 0) ? 1 : ret;
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}
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__SRCVERSION("alarm.c $Rev: 153052 $");
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