forward.c 5.0 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 <dlfcn.h>
  17. #include <stdlib.h>
  18. /* psm: keep this before internals.h */
  19. libc_hidden_proto(exit)
  20. #include "internals.h"
  21. /* Pointers to the libc functions. */
  22. struct pthread_functions __libc_pthread_functions attribute_hidden;
  23. # define FORWARD2(name, rettype, decl, params, defaction) \
  24. rettype \
  25. name decl \
  26. { \
  27. if (__libc_pthread_functions.ptr_##name == NULL) \
  28. defaction; \
  29. \
  30. return __libc_pthread_functions.ptr_##name params; \
  31. }
  32. # define FORWARD(name, decl, params, defretval) \
  33. FORWARD2 (name, int, decl, params, return defretval)
  34. FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0)
  35. FORWARD (__pthread_attr_init, (pthread_attr_t *attr), (attr), 0)
  36. FORWARD (pthread_attr_getdetachstate,
  37. (const pthread_attr_t *attr, int *detachstate), (attr, detachstate),
  38. 0)
  39. FORWARD (pthread_attr_setdetachstate, (pthread_attr_t *attr, int detachstate),
  40. (attr, detachstate), 0)
  41. FORWARD (pthread_attr_getinheritsched,
  42. (const pthread_attr_t *attr, int *inherit), (attr, inherit), 0)
  43. FORWARD (pthread_attr_setinheritsched, (pthread_attr_t *attr, int inherit),
  44. (attr, inherit), 0)
  45. FORWARD (pthread_attr_getschedparam,
  46. (const pthread_attr_t *attr, struct sched_param *param),
  47. (attr, param), 0)
  48. FORWARD (pthread_attr_setschedparam,
  49. (pthread_attr_t *attr, const struct sched_param *param),
  50. (attr, param), 0)
  51. FORWARD (pthread_attr_getschedpolicy,
  52. (const pthread_attr_t *attr, int *policy), (attr, policy), 0)
  53. FORWARD (pthread_attr_setschedpolicy, (pthread_attr_t *attr, int policy),
  54. (attr, policy), 0)
  55. FORWARD (pthread_attr_getscope,
  56. (const pthread_attr_t *attr, int *scope), (attr, scope), 0)
  57. FORWARD (pthread_attr_setscope, (pthread_attr_t *attr, int scope),
  58. (attr, scope), 0)
  59. FORWARD (pthread_condattr_destroy, (pthread_condattr_t *attr), (attr), 0)
  60. FORWARD (pthread_condattr_init, (pthread_condattr_t *attr), (attr), 0)
  61. FORWARD (pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0)
  62. FORWARD (pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0)
  63. FORWARD (pthread_cond_init,
  64. (pthread_cond_t *cond, const pthread_condattr_t *cond_attr),
  65. (cond, cond_attr), 0)
  66. FORWARD (pthread_cond_signal, (pthread_cond_t *cond), (cond), 0)
  67. FORWARD (pthread_cond_wait, (pthread_cond_t *cond, pthread_mutex_t *mutex),
  68. (cond, mutex), 0)
  69. FORWARD (pthread_cond_timedwait,
  70. (pthread_cond_t *cond, pthread_mutex_t *mutex,
  71. const struct timespec *abstime), (cond, mutex, abstime), 0)
  72. FORWARD (pthread_equal, (pthread_t thread1, pthread_t thread2),
  73. (thread1, thread2), 1)
  74. /* Use an alias to avoid warning, as pthread_exit is declared noreturn. */
  75. FORWARD2 (__pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS))
  76. strong_alias (__pthread_exit, pthread_exit);
  77. FORWARD (pthread_getschedparam,
  78. (pthread_t target_thread, int *policy, struct sched_param *param),
  79. (target_thread, policy, param), 0)
  80. FORWARD (pthread_setschedparam,
  81. (pthread_t target_thread, int policy,
  82. const struct sched_param *param), (target_thread, policy, param), 0)
  83. FORWARD (pthread_mutex_destroy, (pthread_mutex_t *mutex), (mutex), 0)
  84. FORWARD (pthread_mutex_init,
  85. (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr),
  86. (mutex, mutexattr), 0)
  87. strong_alias(pthread_mutex_init, __pthread_mutex_init)
  88. FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0)
  89. strong_alias(pthread_mutex_lock, __pthread_mutex_lock)
  90. FORWARD (pthread_mutex_trylock, (pthread_mutex_t *mutex), (mutex), 0)
  91. strong_alias(pthread_mutex_trylock, __pthread_mutex_trylock)
  92. FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0)
  93. strong_alias(pthread_mutex_unlock, __pthread_mutex_unlock)
  94. FORWARD2 (pthread_self, pthread_t, (void), (), return 0)
  95. FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate),
  96. 0)
  97. FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0)
  98. FORWARD2 (_pthread_cleanup_push, void, (struct _pthread_cleanup_buffer * buffer, void (*routine)(void *), void * arg), (buffer, routine, arg), return)
  99. FORWARD2 (_pthread_cleanup_pop, void, (struct _pthread_cleanup_buffer * buffer, int execute), (buffer, execute), return)