text: /*
   * -----------------------------------------------------------------------------
   * Copyright (c) 2010, Matteo Bertozzi
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * 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.
   *     * Neither the name of the author 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 MATTEO BERTOZZI 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.
   * -----------------------------------------------------------------------------
   */
  #include <pthread.h>
  #include <stdio.h>
  
  #include "workqueue.h"
  
  static void __task (void *args) {
      unsigned int *value = (unsigned int *)args;
      unsigned int x, y, j;
  
      printf("[S] TASK %3u - %p\n", *value, pthread_self());
  
      x = 0;
      y = *value << 11;
      while (y--) {
          for (j = 0; j < (y << 3); ++j)
              x = x * y + *value / (1 + (x >> 2) + j);
      }
  
      printf("[E] TASK %3u - %p\n", *value, pthread_self());
  }
  
  int main (int argc, char **argv) {
      unsigned int tasks[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
      workqueue_t *queue;
      unsigned int i;
  
      if ((queue = workqueue_alloc()) == NULL) {
          perror("workqueue_alloc()");
          return(1);
      }
  
      for (i = 0; i < 10; ++i)
          workqueue_additem(queue, __task, &tasks[i]);
  
      workqueue_wait(queue);
      workqueue_release(queue);
  
      return(0);
  }
  
  