nuttx/sched/sched/sched_lockcount.c
Alin Jerpelea eb9030c891 sched: migrate to SPDX identifier
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2024-09-12 01:10:14 +08:00

60 lines
2.1 KiB
C

/****************************************************************************
* sched/sched/sched_lockcount.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include "sched/sched.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sched_lockcount
*
* Description:
* This function returns the current value of the lockcount. If zero,
* pre-emption is enabled; if non-zero, this value indicates the number
* of times that sched_lock() has been called on this thread of
* execution. sched_unlock() will have to called that many times from
* this thread in order to re-enable pre-emption.
*
* Input Parameters:
* None
*
* Returned Value:
* lockcount
*
****************************************************************************/
int sched_lockcount(void)
{
FAR struct tcb_s *rtcb = this_task();
return (int)rtcb->lockcount;
}