nuttx/sched/group/group_foreachchild.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

89 lines
2.7 KiB
C

/****************************************************************************
* sched/group/group_foreachchild.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 <assert.h>
#include <nuttx/nuttx.h>
#include <nuttx/sched.h>
#include <nuttx/queue.h>
#include "group/group.h"
#ifdef HAVE_GROUP_MEMBERS
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: group_foreachchild
*
* Description:
* Execute a function for each child of a group.
*
* Input Parameters:
* group - The group containing the children
* handler - The function to be called
* arg - An additional argument to provide to the handler
*
* Returned Value:
* Success (OK) is always returned unless the handler returns a non-zero
* value (a negated errno on errors). In that case, the traversal
* terminates and that non-zero value is returned.
*
* Assumptions:
*
****************************************************************************/
int group_foreachchild(FAR struct task_group_s *group,
foreachchild_t handler, FAR void *arg)
{
FAR sq_entry_t *curr;
FAR sq_entry_t *next;
int ret = OK;
DEBUGASSERT(group);
/* Visit the main thread last (if present) */
sq_for_every_safe(&group->tg_members, curr, next)
{
FAR struct tcb_s *mtcb =
container_of(curr, struct tcb_s, member);
ret = handler(mtcb->pid, arg);
if (ret != OK)
{
break;
}
}
return ret;
}
#endif /* HAVE_GROUP_MEMBERS */