forward.c 5.3 KB

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  1. /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the 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. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #include <features.h>
  17. #include <stdlib.h>
  18. #include <dlfcn.h>
  19. /* psm: keep this before internals.h */
  20. libc_hidden_proto(exit)
  21. #include "internals.h"
  22. /* Pointers to the libc functions. */
  23. struct pthread_functions __libc_pthread_functions attribute_hidden;
  24. # define FORWARD2(name, rettype, decl, params, defaction) \
  25. rettype \
  26. name decl \
  27. { \
  28. if (__libc_pthread_functions.ptr_##name == NULL) \
  29. defaction; \
  30. \
  31. return __libc_pthread_functions.ptr_##name params; \
  32. }
  33. # define FORWARD(name, decl, params, defretval) \
  34. FORWARD2 (name, int, decl, params, return defretval)
  35. FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0)
  36. FORWARD (pthread_attr_init, (pthread_attr_t *attr), (attr), 0)
  37. FORWARD (pthread_attr_getdetachstate,
  38. (const pthread_attr_t *attr, int *detachstate), (attr, detachstate),
  39. 0)
  40. FORWARD (pthread_attr_setdetachstate, (pthread_attr_t *attr, int detachstate),
  41. (attr, detachstate), 0)
  42. FORWARD (pthread_attr_getinheritsched,
  43. (const pthread_attr_t *attr, int *inherit), (attr, inherit), 0)
  44. FORWARD (pthread_attr_setinheritsched, (pthread_attr_t *attr, int inherit),
  45. (attr, inherit), 0)
  46. FORWARD (pthread_attr_getschedparam,
  47. (const pthread_attr_t *attr, struct sched_param *param),
  48. (attr, param), 0)
  49. FORWARD (pthread_attr_setschedparam,
  50. (pthread_attr_t *attr, const struct sched_param *param),
  51. (attr, param), 0)
  52. FORWARD (pthread_attr_getschedpolicy,
  53. (const pthread_attr_t *attr, int *policy), (attr, policy), 0)
  54. FORWARD (pthread_attr_setschedpolicy, (pthread_attr_t *attr, int policy),
  55. (attr, policy), 0)
  56. FORWARD (pthread_attr_getscope,
  57. (const pthread_attr_t *attr, int *scope), (attr, scope), 0)
  58. FORWARD (pthread_attr_setscope, (pthread_attr_t *attr, int scope),
  59. (attr, scope), 0)
  60. FORWARD (pthread_condattr_destroy, (pthread_condattr_t *attr), (attr), 0)
  61. FORWARD (pthread_condattr_init, (pthread_condattr_t *attr), (attr), 0)
  62. FORWARD (pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0)
  63. FORWARD (pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0)
  64. FORWARD (pthread_cond_init,
  65. (pthread_cond_t *cond, const pthread_condattr_t *cond_attr),
  66. (cond, cond_attr), 0)
  67. FORWARD (pthread_cond_signal, (pthread_cond_t *cond), (cond), 0)
  68. FORWARD (pthread_cond_wait, (pthread_cond_t *cond, pthread_mutex_t *mutex),
  69. (cond, mutex), 0)
  70. FORWARD (pthread_cond_timedwait,
  71. (pthread_cond_t *cond, pthread_mutex_t *mutex,
  72. const struct timespec *abstime), (cond, mutex, abstime), 0)
  73. FORWARD (pthread_equal, (pthread_t thread1, pthread_t thread2),
  74. (thread1, thread2), 1)
  75. /* Use an alias to avoid warning, as pthread_exit is declared noreturn. */
  76. FORWARD2 (__pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS))
  77. strong_alias (__pthread_exit, pthread_exit)
  78. FORWARD (pthread_getschedparam,
  79. (pthread_t target_thread, int *policy, struct sched_param *param),
  80. (target_thread, policy, param), 0)
  81. FORWARD (pthread_setschedparam,
  82. (pthread_t target_thread, int policy,
  83. const struct sched_param *param), (target_thread, policy, param), 0)
  84. FORWARD (pthread_mutex_destroy, (pthread_mutex_t *mutex), (mutex), 0)
  85. FORWARD (pthread_mutex_init,
  86. (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr),
  87. (mutex, mutexattr), 0)
  88. strong_alias(pthread_mutex_init, __pthread_mutex_init)
  89. FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0)
  90. strong_alias(pthread_mutex_lock, __pthread_mutex_lock)
  91. FORWARD (pthread_mutex_trylock, (pthread_mutex_t *mutex), (mutex), 0)
  92. strong_alias(pthread_mutex_trylock, __pthread_mutex_trylock)
  93. FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0)
  94. strong_alias(pthread_mutex_unlock, __pthread_mutex_unlock)
  95. FORWARD2 (pthread_self, pthread_t, (void), (), return 0)
  96. FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate),
  97. 0)
  98. FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0)
  99. FORWARD2 (_pthread_cleanup_push, void, (struct _pthread_cleanup_buffer * buffer, void (*routine)(void *), void * arg), (buffer, routine, arg), return)
  100. FORWARD2 (_pthread_cleanup_push_defer, void, (struct _pthread_cleanup_buffer * buffer, void (*routine)(void *), void * arg), (buffer, routine, arg), return)
  101. FORWARD2 (_pthread_cleanup_pop, void, (struct _pthread_cleanup_buffer * buffer, int execute), (buffer, execute), return)
  102. FORWARD2 (_pthread_cleanup_pop_restore, void, (struct _pthread_cleanup_buffer * buffer, int execute), (buffer, execute), return)