nuttx/libs/libc/unistd/lib_getpgrp.c
guoshichao 3821ad514d libs/libc/unistd: add getpgrp function
1. the getpgrp function can help to pass the ltp/open_posix_teststuite/killpg related testcases
2. Nuttx do not support process group, so we use getpid to implement this
3. the implementation are referred to: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpgrp.html

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
2023-06-26 01:03:36 +08:00

49 lines
1.7 KiB
C

/****************************************************************************
* libs/libc/unistd/lib_getpgrp.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 <unistd.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: getpgrp
*
* Description:
* Get the Process Group ID of the currently executing task.
*
* Input parameters:
* None
*
* Returned Value:
* The getpgrp will return current process ID directly
*
****************************************************************************/
pid_t getpgrp(void)
{
return getpid();
}