headers/private/system/thread_defs.h

   1 /*
   2  * Copyright 2008-2011, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _SYSTEM_THREAD_DEFS_H
   6 #define _SYSTEM_THREAD_DEFS_H
   7
   8
   9 #include <pthread.h>
  10
  11 #include <OS.h>
  12
  13
  14 /** Size of the stack given to teams in user space */
  15 #define USER_STACK_GUARD_SIZE           (4 * B_PAGE_SIZE)               // 16 kB
  16 #define MIN_USER_STACK_SIZE                     (2 * B_PAGE_SIZE)               // 8 kB
  17 #define MAX_USER_STACK_SIZE                     (4096 * B_PAGE_SIZE)    // 16 MB
  18 #define USER_MAIN_THREAD_STACK_SIZE     MAX_USER_STACK_SIZE
  19 #define USER_STACK_SIZE                         (64 * B_PAGE_SIZE)              // 256 kB
  20
  21
  22 // The type of object a thread blocks on (thread::wait::type, set by
  23 // thread_prepare_to_block()).
  24 enum {
  25         THREAD_BLOCK_TYPE_SEMAPHORE                             = 0,
  26         THREAD_BLOCK_TYPE_CONDITION_VARIABLE    = 1,
  27         THREAD_BLOCK_TYPE_SNOOZE                                = 2,
  28         THREAD_BLOCK_TYPE_SIGNAL                                = 3,
  29         THREAD_BLOCK_TYPE_MUTEX                                 = 4,
  30         THREAD_BLOCK_TYPE_RW_LOCK                               = 5,
  31
  32         THREAD_BLOCK_TYPE_OTHER                                 = 9999,
  33         THREAD_BLOCK_TYPE_USER_BASE                             = 10000
  34 };
  35
  36
  37 #define THREAD_CREATION_FLAG_DEFER_SIGNALS      0x01
  38         // create the thread with signals deferred, i.e. with
  39         // user_thread::defer_signals set to 1
  40
  41
  42 struct thread_creation_attributes {
  43         int32           (*entry)(void*, void*);
  44         const char*     name;
  45         int32           priority;
  46         void*           args1;
  47         void*           args2;
  48         void*           stack_address;
  49         size_t          stack_size;
  50         size_t          guard_size;
  51         pthread_t       pthread;
  52         uint32          flags;
  53 };
  54
  55 #endif  /* _SYSTEM_THREAD_DEFS_H */