Tickless OS: Correct a bug: logic to detect changes in head of timer list was wrong.
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@ -292,9 +292,9 @@ int wd_start(WDOG_ID wdog, int delay, wdentry_t wdentry, int argc, ...)
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if (g_wdactivelist.head == NULL)
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{
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/* Add the watchdog to the head of the queue. */
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/* Add the watchdog to the head == tail of the queue. */
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sq_addlast((FAR sq_entry_t*)wdog,&g_wdactivelist);
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sq_addlast((FAR sq_entry_t*)wdog, &g_wdactivelist);
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#ifdef CONFIG_SCHED_TICKLESS
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/* Whenever the watchdog at the head of the queue changes, then we
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@ -345,16 +345,9 @@ int wd_start(WDOG_ID wdog, int delay, wdentry_t wdentry, int argc, ...)
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if (curr == (FAR wdog_t*)g_wdactivelist.head)
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{
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/* Insert the watchdog in mid- or end-of-queue */
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/* Insert the watchdog at the head of the list */
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sq_addfirst((FAR sq_entry_t*)wdog, &g_wdactivelist);
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}
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else
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{
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/* Insert the watchdog in mid- or end-of-queue */
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sq_addafter((FAR sq_entry_t*)prev, (FAR sq_entry_t*)wdog,
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&g_wdactivelist);
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#ifdef CONFIG_SCHED_TICKLESS
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/* If the watchdog at the head of the queue changes, then we
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@ -363,6 +356,14 @@ int wd_start(WDOG_ID wdog, int delay, wdentry_t wdentry, int argc, ...)
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reassess = true;
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#endif
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}
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else
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{
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/* Insert the watchdog in mid- or end-of-queue */
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sq_addafter((FAR sq_entry_t*)prev, (FAR sq_entry_t*)wdog,
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&g_wdactivelist);
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}
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}
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