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Diffstat (limited to 'nuttx/sched/sched_garbage.c')
-rw-r--r-- | nuttx/sched/sched_garbage.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/nuttx/sched/sched_garbage.c b/nuttx/sched/sched_garbage.c deleted file mode 100644 index b8bec9399..000000000 --- a/nuttx/sched/sched_garbage.c +++ /dev/null @@ -1,117 +0,0 @@ -/**************************************************************************** - * sched/sched_garbage.c - * - * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#include <nuttx/kmalloc.h> - -#include "os_internal.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Public Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ -/**************************************************************************** - * Name: sched_garbagecollection - * - * Description: - * Clean-up memory de-allocations that we queued because they could not - * be freed in that execution context (for example, if the memory was freed - * from an interrupt handler). - * - * This logic may be called from the worker thread (see work_thread.c). - * If, however, CONFIG_SCHED_WORKQUEUE is not defined, then this logic will - * be called from the IDLE thread. It is less optimal for the garbage - * collection to be called from the IDLE thread because it runs at a very - * low priority and could cause false memory out conditions. - * - * Input parameters: - * None - * - * Returned Value: - * None - * - ****************************************************************************/ - -void sched_garbagecollection(void) -{ - irqstate_t flags; - void *address; - - /* Test if the delayed deallocation queue is empty. No special protection - * is needed because this is an atomic test. - */ - - while (g_delayeddeallocations.head) - { - /* Remove the first delayed deallocation. This is not atomic and so - * we must disable interrupts around the queue operation. - */ - - flags = irqsave(); - address = (void*)sq_remfirst((FAR sq_queue_t*)&g_delayeddeallocations); - irqrestore(flags); - - /* Then deallocate it. */ - - if (address) - { - kfree(address); - } - } -} - |