896f34fde9
Implement 'effective' setuid, getuid, setgid, and getgid interfaces. These will be inheritance by all child task groups. These definitons are explicitly specified here: https://pubs.opengroup.org/onlinepubs/000095399/functions/geteuid.html https://pubs.opengroup.org/onlinepubs/000095399/functions/getegid.html https://pubs.opengroup.org/onlinepubs/000095399/functions/seteuid.html https://pubs.opengroup.org/onlinepubs/000095399/functions/setegid.html Signed-off-by: fangxinyong <fangxinyong@xiaomi.com>
62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/****************************************************************************
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* sched/group/group_getegid.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 <unistd.h>
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#include <assert.h>
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#include <errno.h>
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#include <sched/sched.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: getegid
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*
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* Description:
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* The getegid() function will return the effective group ID of the calling
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* task group.
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*
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* Input Parameters:
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* None.
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*
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* Returned Value:
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* The effective group ID of the calling task group.
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*
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****************************************************************************/
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gid_t getegid(void)
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{
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FAR struct tcb_s *rtcb = this_task();
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FAR struct task_group_s *rgroup = rtcb->group;
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/* Set the task group's group identity. */
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DEBUGASSERT(rgroup != NULL);
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return rgroup->tg_egid;
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}
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