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change poll behavior

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NIIBE Yutaka
2016-04-24 12:24:36 +09:00
parent 8668c8a88a
commit a538113c07
2 changed files with 18 additions and 2 deletions
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4
ChangeLog
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@@ -1,3 +1,7 @@
2016-04-24 Niibe Yutaka <gniibe@fsij.org>
* chopstx.c (chx_snooze): Wait forever when it's POLL and usec==0.
2016-04-22 Niibe Yutaka <gniibe@fsij.org> 2016-04-22 Niibe Yutaka <gniibe@fsij.org>
* example-fs-bb48/first-pages.c: Rename from reset.c and merge * example-fs-bb48/first-pages.c: Rename from reset.c and merge

16
chopstx.c
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@@ -1104,8 +1104,20 @@ chx_snooze (uint32_t state, uint32_t *usec_p)
if (usec == 0) if (usec == 0)
{ {
chx_cpu_sched_unlock (); if (state == THREAD_WAIT_TIME)
return -1; {
chx_cpu_sched_unlock ();
return -1;
}
else
{
if (running->flag_sched_rr)
chx_timer_dequeue (running);
running->state = state;
r = chx_sched (CHX_SLEEP);
return r;
}
} }
usec0 = (usec > MAX_USEC_FOR_TIMER) ? MAX_USEC_FOR_TIMER: usec; usec0 = (usec > MAX_USEC_FOR_TIMER) ? MAX_USEC_FOR_TIMER: usec;