nuttx/sched/environ/env_clearenv.c
Alin Jerpelea 8935ac4cc3 sched: Author Gregory Nutt: update licenses to Apache
Gregory Nutt has submitted the SGA and we can mograte the licenses
to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-09 01:21:53 -08:00

66 lines
2.1 KiB
C

/****************************************************************************
* sched/environ/env_clearenv.c
*
* 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>
#ifndef CONFIG_DISABLE_ENVIRON
#include <sched.h>
#include <stdlib.h>
#include "sched/sched.h"
#include "environ/environ.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: clearenv
*
* Description:
* The clearenv() function clears the environment of all name-value pairs
* and sets the value of the external variable environ to NULL.
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions:
* Not called from an interrupt handler
*
****************************************************************************/
int clearenv(void)
{
FAR struct tcb_s *tcb = this_task();
DEBUGASSERT(tcb->group);
env_release(tcb->group);
return OK;
}
#endif /* CONFIG_DISABLE_ENVIRON */