| /**************************************************************************** |
| * sched/pthread/pthread_exit.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 <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; |
| int status; |
| |
| sinfo("exit_value=%p\n", exit_value); |
| |
| DEBUGASSERT(tcb != NULL); |
| |
| /* Block any signal actions that would awaken us while were |
| * are performing the JOIN handshake. |
| */ |
| |
| sigfillset(&set); |
| nxsig_procmask(SIG_SETMASK, &set, NULL); |
| |
| /* Complete pending join operations */ |
| |
| status = pthread_completejoin(nxsched_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); |
| } |