sysdeps/nptl/pthread-functions.h

   1 /* Copyright (C) 2003-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _PTHREAD_FUNCTIONS_H
  20 #define _PTHREAD_FUNCTIONS_H    1
  21
  22 #include <pthread.h>
  23 #include <setjmp.h>
  24 #include <internaltypes.h>
  25 #include <sysdep.h>
  26
  27 struct xid_command;
  28
  29 /* Data type shared with libc.  The libc uses it to pass on calls to
  30    the thread functions.  */
  31 struct pthread_functions
  32 {
  33   int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
  34   int (*ptr___pthread_attr_init_2_0) (pthread_attr_t *);
  35   int (*ptr___pthread_attr_init_2_1) (pthread_attr_t *);
  36   int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
  37   int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
  38   int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
  39   int (*ptr_pthread_attr_setinheritsched) (pthread_attr_t *, int);
  40   int (*ptr_pthread_attr_getschedparam) (const pthread_attr_t *,
  41                                          struct sched_param *);
  42   int (*ptr_pthread_attr_setschedparam) (pthread_attr_t *,
  43                                          const struct sched_param *);
  44   int (*ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *);
  45   int (*ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int);
  46   int (*ptr_pthread_attr_getscope) (const pthread_attr_t *, int *);
  47   int (*ptr_pthread_attr_setscope) (pthread_attr_t *, int);
  48   int (*ptr_pthread_condattr_destroy) (pthread_condattr_t *);
  49   int (*ptr_pthread_condattr_init) (pthread_condattr_t *);
  50   int (*ptr___pthread_cond_broadcast) (pthread_cond_t *);
  51   int (*ptr___pthread_cond_destroy) (pthread_cond_t *);
  52   int (*ptr___pthread_cond_init) (pthread_cond_t *,
  53                                   const pthread_condattr_t *);
  54   int (*ptr___pthread_cond_signal) (pthread_cond_t *);
  55   int (*ptr___pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
  56   int (*ptr___pthread_cond_timedwait) (pthread_cond_t *, pthread_mutex_t *,
  57                                        const struct timespec *);
  58   int (*ptr___pthread_cond_broadcast_2_0) (pthread_cond_2_0_t *);
  59   int (*ptr___pthread_cond_destroy_2_0) (pthread_cond_2_0_t *);
  60   int (*ptr___pthread_cond_init_2_0) (pthread_cond_2_0_t *,
  61                                       const pthread_condattr_t *);
  62   int (*ptr___pthread_cond_signal_2_0) (pthread_cond_2_0_t *);
  63   int (*ptr___pthread_cond_wait_2_0) (pthread_cond_2_0_t *, pthread_mutex_t *);
  64   int (*ptr___pthread_cond_timedwait_2_0) (pthread_cond_2_0_t *,
  65                                            pthread_mutex_t *,
  66                                            const struct timespec *);
  67   int (*ptr_pthread_equal) (pthread_t, pthread_t);
  68   void (*ptr___pthread_exit) (void *) __attribute__ ((__noreturn__));
  69   int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
  70   int (*ptr_pthread_setschedparam) (pthread_t, int,
  71                                     const struct sched_param *);
  72   int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *);
  73   int (*ptr_pthread_mutex_init) (pthread_mutex_t *,
  74                                  const pthread_mutexattr_t *);
  75   int (*ptr_pthread_mutex_lock) (pthread_mutex_t *);
  76   int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *);
  77   int (*ptr___pthread_setcancelstate) (int, int *);
  78   int (*ptr_pthread_setcanceltype) (int, int *);
  79   void (*ptr___pthread_cleanup_upto) (__jmp_buf, char *);
  80   int (*ptr___pthread_once) (pthread_once_t *, void (*) (void));
  81   int (*ptr___pthread_rwlock_rdlock) (pthread_rwlock_t *);
  82   int (*ptr___pthread_rwlock_wrlock) (pthread_rwlock_t *);
  83   int (*ptr___pthread_rwlock_unlock) (pthread_rwlock_t *);
  84   int (*ptr___pthread_key_create) (pthread_key_t *, void (*) (void *));
  85   void *(*ptr___pthread_getspecific) (pthread_key_t);
  86   int (*ptr___pthread_setspecific) (pthread_key_t, const void *);
  87   void (*ptr__pthread_cleanup_push_defer) (struct _pthread_cleanup_buffer *,
  88                                            void (*) (void *), void *);
  89   void (*ptr__pthread_cleanup_pop_restore) (struct _pthread_cleanup_buffer *,
  90                                             int);
  91 #define HAVE_PTR_NTHREADS
  92   unsigned int *ptr_nthreads;
  93   void (*ptr___pthread_unwind) (__pthread_unwind_buf_t *)
  94        __attribute ((noreturn)) __cleanup_fct_attribute;
  95   void (*ptr__nptl_deallocate_tsd) (void);
  96   int (*ptr__nptl_setxid) (struct xid_command *);
  97   void (*ptr_freeres) (void);
  98   void (*ptr_set_robust) (struct pthread *);
  99 };
 100
 101 /* Variable in libc.so.  */
 102 extern struct pthread_functions __libc_pthread_functions attribute_hidden;
 103 extern int __libc_pthread_functions_init attribute_hidden;
 104
 105 #ifdef PTR_DEMANGLE
 106 # define PTHFCT_CALL(fct, params) \
 107   ({ __typeof (__libc_pthread_functions.fct) __p;                             \
 108      __p = __libc_pthread_functions.fct;                                      \
 109      PTR_DEMANGLE (__p);                                                      \
 110      __p params; })
 111 #else
 112 # define PTHFCT_CALL(fct, params) \
 113   __libc_pthread_functions.fct params
 114 #endif
 115
 116 #endif  /* pthread-functions.h */