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