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use atomic operation for g_system_ticks #15414

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Merged
xiaoxiang781216 merged 1 commit into from
Jan 5, 2025
Merged

use atomic operation for g_system_ticks #15414

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16 changes: 13 additions & 3 deletions sched/clock/clock_initialize.c
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Original file line number Diff line number Diff line change
Expand Up @@ -373,8 +373,14 @@ void clock_resynchronize(FAR struct timespec *rtc_diff)

/* Add the sleep time to correct system timer */

g_system_ticks += SEC2TICK(rtc_diff->tv_sec);
g_system_ticks += NSEC2TICK(rtc_diff->tv_nsec);
clock_t diff_ticks = SEC2TICK(rtc_diff->tv_sec) +
NSEC2TICK(rtc_diff->tv_nsec);

#ifdef CONFIG_SYSTEM_TIME64
atomic64_fetch_add((FAR atomic64_t *)&g_system_ticks, diff_ticks);
#else
atomic_fetch_add((FAR atomic_t *)&g_system_ticks, diff_ticks);
#endif
}

skip:
Expand All @@ -398,6 +404,10 @@ void clock_timer(void)
{
/* Increment the per-tick system counter */

g_system_ticks++;
#ifdef CONFIG_SYSTEM_TIME64
atomic64_fetch_add((FAR atomic64_t *)&g_system_ticks, 1);
#else
atomic_fetch_add((FAR atomic_t *)&g_system_ticks, 1);
#endif
}
#endif
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