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sched/wqueue:  Modify high priority work queue to support multiple threads.

    sched/wqueue and libs/libc/wqueue:  workqueues don't need set global data to zero since .bss is cleared automatically.  Removing this unnecessary initialization also avoids the loss the work items queued before initialization.
This commit is contained in:
ligd
2018-08-25 14:52:13 -06:00
committed by Gregory Nutt
parent 72fd2a5e34
commit 631071cded
8 changed files with 161 additions and 85 deletions
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sched/wqueue/wqueue.h
+6 -3
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@@ -1,7 +1,7 @@
/****************************************************************************
* sched/wqueue/wqueue.h
*
* Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved.
* Copyright (C) 2014, 2016, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -88,11 +88,14 @@ struct hp_wqueue_s
{
clock_t delay; /* Delay between polling cycles (ticks) */
struct dq_queue_s q; /* The queue of pending work */
struct kworker_s worker[1]; /* Describes the single high priority worker */
/* Describes each thread in the high priority queue's thread pool */
struct kworker_s worker[CONFIG_SCHED_HPNTHREADS];
};
#endif
/* This structure defines the state of one high-priority work queue. This
/* This structure defines the state of one low-priority work queue. This
* structure must be cast compatible with kwork_wqueue_s
*/