weaks.c 5.2 KB

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  1. /* The weak pthread functions for Linux.
  2. Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Library General Public License as
  6. published by the Free Software Foundation; either version 2 of the
  7. License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Library General Public License for more details.
  12. You should have received a copy of the GNU Library General Public
  13. License along with the GNU C Library; see the file COPYING.LIB. If not,
  14. write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  15. Boston, MA 02111-1307, USA. */
  16. #include <errno.h>
  17. #include <limits.h>
  18. #include <stdlib.h>
  19. static int __pthread_return_0 __P ((void));
  20. static int __pthread_return_1 __P ((void));
  21. static int
  22. __pthread_return_0 (void)
  23. {
  24. return 0;
  25. }
  26. static int
  27. __pthread_return_1 (void)
  28. {
  29. return 1;
  30. }
  31. /**********************************************************************/
  32. /* Weaks for application/library use.
  33. *
  34. * Verified by comparing to glibc's linuxthreads/forward.c and defined
  35. * only those that are in the glibc abi.
  36. * The commented aliases are ones that were previously defined in uClibc
  37. * and which I left in for documentation.
  38. */
  39. weak_alias (__pthread_return_0, pthread_attr_destroy)
  40. weak_alias (__pthread_return_0, pthread_attr_getdetachstate)
  41. weak_alias (__pthread_return_0, pthread_attr_getinheritsched)
  42. weak_alias (__pthread_return_0, pthread_attr_getschedparam)
  43. weak_alias (__pthread_return_0, pthread_attr_getschedpolicy)
  44. weak_alias (__pthread_return_0, pthread_attr_getscope)
  45. /* weak_alias (__pthread_return_0, pthread_attr_getstackaddr) */
  46. /* weak_alias (__pthread_return_0, pthread_attr_getstacksize) */
  47. weak_alias (__pthread_return_0, pthread_attr_init)
  48. weak_alias (__pthread_return_0, pthread_attr_setdetachstate)
  49. weak_alias (__pthread_return_0, pthread_attr_setinheritsched)
  50. weak_alias (__pthread_return_0, pthread_attr_setschedparam)
  51. weak_alias (__pthread_return_0, pthread_attr_setschedpolicy)
  52. weak_alias (__pthread_return_0, pthread_attr_setscope)
  53. /* weak_alias (__pthread_return_0, pthread_attr_setstackaddr) */
  54. /* weak_alias (__pthread_return_0, pthread_attr_setstacksize) */
  55. weak_alias (__pthread_return_0, pthread_cond_broadcast)
  56. weak_alias (__pthread_return_0, pthread_cond_destroy)
  57. weak_alias (__pthread_return_0, pthread_cond_init)
  58. weak_alias (__pthread_return_0, pthread_cond_signal)
  59. weak_alias (__pthread_return_0, pthread_cond_timedwait)
  60. weak_alias (__pthread_return_0, pthread_cond_wait)
  61. weak_alias (__pthread_return_0, pthread_condattr_destroy)
  62. weak_alias (__pthread_return_0, pthread_condattr_init)
  63. weak_alias (__pthread_return_0, pthread_getschedparam)
  64. /* weak_alias (__pthread_return_0, pthread_getcancelstate) */
  65. /* weak_alias (__pthread_return_0, pthread_getconcurrency) */
  66. /* weak_alias (__pthread_return_0, pthread_getschedparam) */
  67. weak_alias (__pthread_return_0, pthread_mutex_destroy)
  68. weak_alias (__pthread_return_0, pthread_mutex_init)
  69. weak_alias (__pthread_return_0, pthread_mutex_lock)
  70. /* weak_alias (__pthread_return_0, pthread_mutex_trylock) */
  71. weak_alias (__pthread_return_0, pthread_mutex_unlock)
  72. /* weak_alias (__pthread_return_0, pthread_mutexattr_destroy) */
  73. /* weak_alias (__pthread_return_0, pthread_mutexattr_gettype) */
  74. /* weak_alias (__pthread_return_0, pthread_mutexattr_init) */
  75. /* weak_alias (__pthread_return_0, pthread_mutexattr_settype) */
  76. /* weak_alias (__pthread_return_0, pthread_rwlock_destroy) */
  77. /* weak_alias (__pthread_return_0, pthread_rwlock_init) */
  78. /* weak_alias (__pthread_return_0, pthread_rwlock_rdlock) */
  79. /* weak_alias (__pthread_return_0, pthread_rwlock_tryrdlock) */
  80. /* weak_alias (__pthread_return_0, pthread_rwlock_trywrlock) */
  81. /* weak_alias (__pthread_return_0, pthread_rwlock_unlock) */
  82. /* weak_alias (__pthread_return_0, pthread_rwlock_wrlock) */
  83. /* weak_alias (__pthread_return_0, pthread_rwlockattr_destroy) */
  84. /* weak_alias (__pthread_return_0, pthread_rwlockattr_getpshared) */
  85. /* weak_alias (__pthread_return_0, pthread_rwlockattr_init) */
  86. /* weak_alias (__pthread_return_0, pthread_rwlockattr_setpshared) */
  87. weak_alias (__pthread_return_0, pthread_self)
  88. weak_alias (__pthread_return_0, pthread_setcancelstate)
  89. weak_alias (__pthread_return_0, pthread_setcanceltype)
  90. /* weak_alias (__pthread_return_0, pthread_setconcurrency) */
  91. weak_alias (__pthread_return_0, pthread_setschedparam)
  92. /* Those are pthread functions which return 1 if successful. */
  93. weak_alias (__pthread_return_1, pthread_equal)
  94. /* pthread_exit () is a special case. */
  95. void weak_function
  96. pthread_exit (void *retval)
  97. {
  98. exit (EXIT_SUCCESS);
  99. }
  100. /**********************************************************************/
  101. /* Weaks used internally by the C library. */
  102. weak_alias (__pthread_return_0, __pthread_mutex_init)
  103. weak_alias (__pthread_return_0, __pthread_mutex_lock)
  104. weak_alias (__pthread_return_0, __pthread_mutex_trylock)
  105. weak_alias (__pthread_return_0, __pthread_mutex_unlock)
  106. /**********************************************************************/