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LP Work Queue: Fix test to find and idle worker thread.

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linfei_chen
2016-03-22 08:15:49 -06:00
committed by Gregory Nutt
parent bc325bd597
commit 4b18b8d1e3
2 changed files with 10 additions and 4 deletions
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sched/wqueue/kwork_signal.c
+8 -4
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@@ -1,7 +1,7 @@
/****************************************************************************
* sched/wqueue/work_signal.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -92,15 +92,19 @@ int work_signal(int qid)
for (wndx = 0, i = 0; i < CONFIG_SCHED_LPNTHREADS; i++)
{
if (g_lpwork.worker[i].busy)
/* Is this worker thread busy? */
if (!g_lpwork.worker[i].busy)
{
/* No.. select this thread */
wndx = i;
break;
}
}
/* Use the process ID of the IDLE thread (or thread 0 is the are all
* busy)
/* Use the process ID of the IDLE worker thread (or the ID of worker
* thread 0 if all of the worker threads are busy).
*/
pid = g_lpwork.worker[wndx].pid;