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procfs: Fix uptime being close to maximum 32-bit value in certain config

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This commit is contained in:
Juha Niskanen
2017-11-10 07:51:17 -06:00
committed by Gregory Nutt
parent 25c1f4407e
commit cc7af2b0d0
3 changed files with 14 additions and 14 deletions
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include/nuttx/clock.h
+13
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@@ -178,6 +178,19 @@
#define TICK2HSEC(tick) (((tick)+(TICK_PER_HSEC/2))/TICK_PER_HSEC) /* Rounds */
#define TICK2SEC(tick) (((tick)+(TICK_PER_SEC/2))/TICK_PER_SEC) /* Rounds */
#if defined(CONFIG_DEBUG_FEATURES) && defined(CONFIG_SYSTEM_TIME64) && \
defined(CONFIG_CLOCK_MONOTONIC)
/* Initial system timer ticks value close to maximum 32-bit value, to test
* 64-bit system-timer after going over 32-bit value. This is to make errors
* of casting 64-bit system-timer to 32-bit variables more visible.
*/
# define INITIAL_SYSTEM_TIMER_TICKS \
((uint64_t)(UINT32_MAX - (TICK_PER_SEC * 5)))
#else
# define INITIAL_SYSTEM_TIMER_TICKS 0
#endif
/****************************************************************************
* Public Types
****************************************************************************/