abi/include/proc/thread.h

   1 /*
   2  * Copyright (c) 2006 Jakub Jermar
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup genericproc
  30  * @{
  31  */
  32 /** @file
  33  */
  34
  35 #ifndef ABI_PROC_THREAD_H_
  36 #define ABI_PROC_THREAD_H_
  37
  38 typedef uint64_t thread_id_t;
  39
  40 /** Thread states */
  41 typedef enum {
  42         /** It is an error, if thread is found in this state. */
  43         Invalid,
  44         /** State of a thread that is currently executing on some CPU. */
  45         Running,
  46         /** Thread in this state is waiting for an event. */
  47         Sleeping,
  48         /** State of threads in a run queue. */
  49         Ready,
  50         /** Threads are in this state before they are first readied. */
  51         Entering,
  52         /** After a thread calls thread_exit(), it is put into Exiting state. */
  53         Exiting,
  54         /** Threads that were not detached but exited are Lingering. */
  55         Lingering
  56 } state_t;
  57
  58 #endif
  59
  60 /** @}
  61  */