nuttx/libs/libc/pthread/pthread_startup.c

/****************************************************************************
 * libs/libc/pthread/pthread_startup.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 <pthread.h>
#include <assert.h>

#include <nuttx/userspace.h>

#if !defined(CONFIG_BUILD_FLAT) && !defined(__KERNEL__)

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/****************************************************************************
 * Private Type Declarations
 ****************************************************************************/

/****************************************************************************
 * Public Data
 ****************************************************************************/

/****************************************************************************
 * Private Data
 ****************************************************************************/

/****************************************************************************
 * Private Function Prototypes
 ****************************************************************************/

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: pthread_startup
 *
 * Description:
 *   This function is the user-space, pthread startup function.  It is called
 *   from up_pthread_start() in user-mode.
 *
 * Input Parameters:
 *   entrypt - The user-space address of the pthread entry point
 *   arg     - Standard argument for the pthread entry point
 *
 * Returned Value:
 *   None.  This function does not return.
 *
 ****************************************************************************/

void pthread_startup(pthread_startroutine_t entrypt, pthread_addr_t arg)
{
  pthread_addr_t exit_status;

  DEBUGASSERT(entrypt);

  /* Pass control to the thread entry point. */

  exit_status = entrypt(arg);

  /* The pthread has returned */

  pthread_exit(exit_status);
}

#endif /* !CONFIG_BUILD_FLAT && !__KERNEL__ */