57 lines
1.8 KiB
C
57 lines
1.8 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 <time.h>
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#include <errno.h>
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#include <sys/neutrino.h>
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#define ONE_THOUSAND_MILLION 1000000000L
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extern void _timer_round_interval( _Uint64t* intervalp );
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int timer_settime(timer_t timerid, int flags, const struct itimerspec *value, struct itimerspec *ovalue) {
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struct _itimer n, o;
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int ret;
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if(value) {
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//POSIX 14.2.4.4 error checking
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if(value->it_value.tv_nsec < 0 || value->it_value.tv_nsec >= ONE_THOUSAND_MILLION ||
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value->it_interval.tv_nsec < 0 || value->it_interval.tv_nsec >= ONE_THOUSAND_MILLION) {
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errno = EINVAL;
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return -1;
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}
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n.nsec = timespec2nsec(&value->it_value);
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n.interval_nsec = timespec2nsec(&value->it_interval);
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}
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if((ret = TimerSettime(timerid, flags, value ? &n : 0, ovalue ? &o : 0)) != -1) {
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if(ovalue) {
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_timer_round_interval(&o.interval_nsec);
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_timer_round_interval(&o.nsec);
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nsec2timespec(&ovalue->it_value, o.nsec);
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nsec2timespec(&ovalue->it_interval, o.interval_nsec);
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}
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}
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return ret;
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}
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__SRCVERSION("timer_settime.c $Rev: 153052 $");
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