3be81e649f
This fixes a long standing issue, where the kernel does flushing of file streams, although it should not handle such streams at all.
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/****************************************************************************
|
|
* sched/pthread/pthread_exit.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>
|
|
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <pthread.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/arch.h>
|
|
#include <nuttx/signal.h>
|
|
|
|
#include "sched/sched.h"
|
|
#include "task/task.h"
|
|
#include "pthread/pthread.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: pthread_exit
|
|
*
|
|
* Description:
|
|
* Terminate execution of a thread started with pthread_create.
|
|
*
|
|
* Input Parameters:
|
|
* exit_value
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
void nx_pthread_exit(FAR void *exit_value)
|
|
{
|
|
FAR struct tcb_s *tcb = this_task();
|
|
sigset_t set = ALL_SIGNAL_SET;
|
|
int status;
|
|
|
|
sinfo("exit_value=%p\n", exit_value);
|
|
|
|
DEBUGASSERT(tcb != NULL);
|
|
DEBUGASSERT((tcb->flags & TCB_FLAG_TTYPE_MASK) == TCB_FLAG_TTYPE_PTHREAD);
|
|
|
|
/* Block any signal actions that would awaken us while were
|
|
* are performing the JOIN handshake.
|
|
*/
|
|
|
|
nxsig_procmask(SIG_SETMASK, &set, NULL);
|
|
|
|
/* Complete pending join operations */
|
|
|
|
status = pthread_completejoin(gettid(), exit_value);
|
|
if (status != OK)
|
|
{
|
|
/* Assume that the join completion failured because this
|
|
* not really a pthread. Exit by calling exit().
|
|
*/
|
|
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
/* Perform common task termination logic. This will get called again later
|
|
* through logic kicked off by up_exit().
|
|
*
|
|
* REVISIT: Tt should not be necessary to call this here, but releasing the
|
|
* task group (especially the group file list) requires that it is done
|
|
* here.
|
|
*
|
|
* The reason? up_exit removes the current process from the ready-to-run
|
|
* list and trying to execute code that depends on this_task() crashes at
|
|
* once, or does something very naughty.
|
|
*/
|
|
|
|
nxtask_exithook(tcb, status);
|
|
|
|
up_exit(EXIT_SUCCESS);
|
|
}
|