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nxsig_clockwait: fix time error when clockid is CLOCK_REALTIME 

Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd 2024-08-07 21:35:07 +08:00 committed by Xiang Xiao
parent 475bbfc165
commit 4196433888
1 changed files with 15 additions and 8 deletions
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23
sched/signal/sig_timedwait.c
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@ -254,7 +254,7 @@ int nxsig_clockwait(int clockid, int flags,
{
FAR struct tcb_s *rtcb = this_task();
irqstate_t iflags;
clock_t expect;
clock_t expect = 0;
clock_t stop;
if (rqtp && (rqtp->tv_nsec < 0 || rqtp->tv_nsec >= 1000000000))
@ -302,15 +302,22 @@ int nxsig_clockwait(int clockid, int flags,
{
/* Start the watchdog timer */
expect = clock_time2ticks(rqtp);
if ((flags & TIMER_ABSTIME) == 0)
{
expect += clock_systime_ticks();
expect = clock_systime_ticks() + clock_time2ticks(rqtp);
wd_start_abstick(&rtcb->waitdog, expect,
nxsig_timeout, (uintptr_t)rtcb);
}
else if (clockid == CLOCK_REALTIME)
{
wd_start_realtime(&rtcb->waitdog, rqtp,
nxsig_timeout, (uintptr_t)rtcb);
}
else
{
wd_start_abstime(&rtcb->waitdog, rqtp,
nxsig_timeout, (uintptr_t)rtcb);
}
wd_start_absolute(&rtcb->waitdog, expect,
nxsig_timeout, (wdparm_t)rtcb);
}
/* Remove the tcb task from the ready-to-run list. */
@ -336,7 +343,7 @@ int nxsig_clockwait(int clockid, int flags,
leave_critical_section(iflags);
if (rqtp && rmtp)
if (rqtp && rmtp && expect)
{
clock_ticks2time(rmtp, expect > stop ? expect - stop : 0);
}