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137 lines
4.4 KiB
137 lines
4.4 KiB
/************************************************************************ |
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* sched/pthread_exit.c |
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* |
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* Copyright (C) 2007, 2009, 2011-2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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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 <stdint.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <signal.h> |
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#include <pthread.h> |
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#include <errno.h> |
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#include <debug.h> |
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#include <nuttx/arch.h> |
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#include "pthread_internal.h" |
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/************************************************************************ |
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* Definitions |
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************************************************************************/ |
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/************************************************************************ |
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* Private Type Declarations |
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************************************************************************/ |
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/************************************************************************ |
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* Global Variables |
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************************************************************************/ |
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/************************************************************************ |
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* Private Variables |
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************************************************************************/ |
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/************************************************************************ |
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* Private Functions |
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************************************************************************/ |
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/************************************************************************ |
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* Public Functions |
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************************************************************************/ |
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/************************************************************************ |
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* Name: pthread_exit |
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* |
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* Description: |
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* Terminate execution of a thread started with pthread_create. |
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* |
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* Parameters: |
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* exit_valie |
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* |
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* Returned Value: |
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* None |
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* |
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* Assumptions: |
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* |
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************************************************************************/ |
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void pthread_exit(FAR void *exit_value) |
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{ |
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int error_code = (int)((intptr_t)exit_value); |
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int status; |
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sdbg("exit_value=%p\n", exit_value); |
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/* Block any signal actions that would awaken us while were |
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* are performing the JOIN handshake. |
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*/ |
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#ifndef CONFIG_DISABLE_SIGNALS |
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{ |
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sigset_t set = ALL_SIGNAL_SET; |
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(void)sigprocmask(SIG_SETMASK, &set, NULL); |
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} |
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#endif |
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/* Complete pending join operations */ |
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status = pthread_completejoin(getpid(), exit_value); |
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if (status != OK) |
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{ |
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/* Assume that the join completion failured because this |
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* not really a pthread. Exit by calling exit() to flush |
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* and close all file descriptors and calling atexit() |
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* functions. |
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*/ |
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if (error_code == EXIT_SUCCESS) |
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{ |
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error_code = EXIT_FAILURE; |
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} |
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exit(error_code); |
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} |
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/* Then just exit, retaining all file descriptors and without |
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* calling atexit() functions. |
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*/ |
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_exit(error_code); |
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} |
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