d5d4006c6b
Base on discusion: https://github.com/apache/nuttx/issues/10981 Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/****************************************************************************
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* mm/mm_gran/mm_grancritical.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <errno.h>
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#include <nuttx/irq.h>
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#include <nuttx/mm/gran.h>
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#include "mm_gran/mm_gran.h"
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#ifdef CONFIG_GRAN
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: gran_enter_critical and gran_leave_critical
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*
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* Description:
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* Critical section management for the granule allocator.
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*
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* Input Parameters:
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* priv - Pointer to the gran state
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*
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* Returned Value:
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* gran_enter_critical() may return any error reported by
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* nxsem_wait_uninterruptible()
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*
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****************************************************************************/
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int gran_enter_critical(FAR struct gran_s *priv)
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{
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#ifdef CONFIG_GRAN_INTR
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priv->irqstate = spin_lock_irqsave(&priv->lock);
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return OK;
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#else
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return nxmutex_lock(&priv->lock);
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#endif
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}
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void gran_leave_critical(FAR struct gran_s *priv)
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{
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#ifdef CONFIG_GRAN_INTR
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spin_unlock_irqrestore(&priv->lock, priv->irqstate);
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#else
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nxmutex_unlock(&priv->lock);
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#endif
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}
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#endif /* CONFIG_GRAN */
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