1 | /* rtems/posix/pthread.h |
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2 | * |
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3 | * This include file contains all the private support information for |
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4 | * POSIX threads. |
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5 | * |
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6 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * All rights assigned to U.S. Government, 1994. |
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9 | * |
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10 | * This material may be reproduced by or for the U.S. Government pursuant |
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11 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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12 | * notice must appear in all copies of this file and its derivatives. |
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13 | * |
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14 | * $Id$ |
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15 | */ |
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16 | |
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17 | #ifndef __RTEMS_POSIX_THREADS_h |
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18 | #define __RTEMS_POSIX_THREADS_h |
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19 | |
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20 | #ifdef __cplusplus |
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21 | extern "C" { |
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22 | #endif |
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23 | |
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24 | #include <rtems/posix/config.h> |
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25 | #include <rtems/posix/threadsup.h> |
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26 | |
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27 | #define PTHREAD_MINIMUM_STACK_SIZE (STACK_MINIMUM_SIZE * 2) |
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28 | |
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29 | /* |
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30 | * The following defines the information control block used to manage |
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31 | * this class of objects. |
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32 | */ |
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33 | |
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34 | POSIX_EXTERN Objects_Information _POSIX_Threads_Information; |
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35 | |
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36 | /* |
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37 | * These are used to manage the user initialization threads. |
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38 | */ |
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39 | |
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40 | POSIX_EXTERN posix_initialization_threads_table |
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41 | *_POSIX_Threads_User_initialization_threads; |
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42 | POSIX_EXTERN unsigned32 _POSIX_Threads_Number_of_initialization_threads; |
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43 | |
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44 | |
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45 | /* |
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46 | * _POSIX_Threads_Manager_initialization |
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47 | * |
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48 | * DESCRIPTION: |
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49 | * |
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50 | * This routine performs the initialization necessary for this manager. |
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51 | */ |
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52 | |
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53 | void _POSIX_Threads_Manager_initialization( |
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54 | unsigned32 maximum_pthreads, |
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55 | unsigned32 number_of_initialization_threads, |
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56 | posix_initialization_threads_table *user_threads |
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57 | ); |
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58 | |
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59 | /* |
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60 | * _POSIX_Threads_Allocate |
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61 | * |
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62 | * DESCRIPTION: |
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63 | * |
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64 | * This function allocates a pthread control block from |
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65 | * the inactive chain of free pthread control blocks. |
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66 | */ |
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67 | |
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68 | RTEMS_INLINE_ROUTINE Thread_Control *_POSIX_Threads_Allocate( void ); |
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69 | |
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70 | /* |
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71 | * _POSIX_Threads_Free |
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72 | * |
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73 | * DESCRIPTION: |
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74 | * |
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75 | * This routine frees a pthread control block to the |
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76 | * inactive chain of free pthread control blocks. |
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77 | */ |
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78 | |
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79 | RTEMS_INLINE_ROUTINE void _POSIX_Threads_Free( |
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80 | Thread_Control *the_pthread |
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81 | ); |
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82 | |
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83 | /* |
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84 | * _POSIX_Threads_Get |
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85 | * |
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86 | * DESCRIPTION: |
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87 | * |
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88 | * This function maps pthread IDs to pthread control blocks. |
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89 | * If ID corresponds to a local pthread, then it returns |
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90 | * the_pthread control pointer which maps to ID and location |
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91 | * is set to OBJECTS_LOCAL. if the pthread ID is global and |
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92 | * resides on a remote node, then location is set to OBJECTS_REMOTE, |
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93 | * and the_pthread is undefined. Otherwise, location is set |
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94 | * to OBJECTS_ERROR and the_pthread is undefined. |
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95 | */ |
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96 | |
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97 | RTEMS_INLINE_ROUTINE Thread_Control *_POSIX_Threads_Get( |
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98 | pthread_t id, |
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99 | Objects_Locations *location |
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100 | ); |
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101 | |
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102 | /* |
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103 | * _POSIX_Threads_Is_null |
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104 | * |
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105 | * DESCRIPTION: |
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106 | * |
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107 | * This function returns TRUE if the_pthread is NULL and FALSE otherwise. |
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108 | */ |
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109 | |
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110 | RTEMS_INLINE_ROUTINE boolean _POSIX_Threads_Is_null( |
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111 | Thread_Control *the_pthread |
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112 | ); |
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113 | |
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114 | #include <rtems/posix/pthread.inl> |
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115 | #include <rtems/posix/pthreadmp.h> |
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116 | |
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117 | #ifdef __cplusplus |
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118 | } |
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119 | #endif |
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120 | |
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121 | #endif |
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122 | /* end of include file */ |
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123 | |
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