Editando: pthreadtypes-arch.h
/* Copyright (C) 2002-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _BITS_PTHREADTYPES_ARCH_H #define _BITS_PTHREADTYPES_ARCH_H 1 #include <bits/wordsize.h> #ifdef __x86_64__ # if __WORDSIZE == 64 # define __SIZEOF_PTHREAD_MUTEX_T 40 # define __SIZEOF_PTHREAD_ATTR_T 56 # define __SIZEOF_PTHREAD_MUTEX_T 40 # define __SIZEOF_PTHREAD_RWLOCK_T 56 # define __SIZEOF_PTHREAD_BARRIER_T 32 # else # define __SIZEOF_PTHREAD_MUTEX_T 32 # define __SIZEOF_PTHREAD_ATTR_T 32 # define __SIZEOF_PTHREAD_MUTEX_T 32 # define __SIZEOF_PTHREAD_RWLOCK_T 44 # define __SIZEOF_PTHREAD_BARRIER_T 20 # endif #else # define __SIZEOF_PTHREAD_MUTEX_T 24 # define __SIZEOF_PTHREAD_ATTR_T 36 # define __SIZEOF_PTHREAD_MUTEX_T 24 # define __SIZEOF_PTHREAD_RWLOCK_T 32 # define __SIZEOF_PTHREAD_BARRIER_T 20 #endif #define __SIZEOF_PTHREAD_MUTEXATTR_T 4 #define __SIZEOF_PTHREAD_COND_T 48 #define __SIZEOF_PTHREAD_CONDATTR_T 4 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4 /* Definitions for internal mutex struct. */ #define __PTHREAD_COMPAT_PADDING_MID #define __PTHREAD_COMPAT_PADDING_END #define __PTHREAD_MUTEX_LOCK_ELISION 1 #ifdef __x86_64__ # define __PTHREAD_MUTEX_NUSERS_AFTER_KIND 0 # define __PTHREAD_MUTEX_USE_UNION 0 #else # define __PTHREAD_MUTEX_NUSERS_AFTER_KIND 1 # define __PTHREAD_MUTEX_USE_UNION 1 #endif #define __LOCK_ALIGNMENT #define __ONCE_ALIGNMENT struct __pthread_rwlock_arch_t { unsigned int __readers; unsigned int __writers; unsigned int __wrphase_futex; unsigned int __writers_futex; unsigned int __pad3; unsigned int __pad4; #ifdef __x86_64__ int __cur_writer; int __shared; signed char __rwelision; # ifdef __ILP32__ unsigned char __pad1[3]; # define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0 } # else unsigned char __pad1[7]; # define __PTHREAD_RWLOCK_ELISION_EXTRA 0, { 0, 0, 0, 0, 0, 0, 0 } # endif unsigned long int __pad2; /* FLAGS must stay at this position in the structure to maintain binary compatibility. */ unsigned int __flags; # define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1 #else /* FLAGS must stay at this position in the structure to maintain binary compatibility. */ unsigned char __flags; unsigned char __shared; signed char __rwelision; # define __PTHREAD_RWLOCK_ELISION_EXTRA 0 unsigned char __pad2; int __cur_writer; #endif }; #ifndef __x86_64__ /* Extra attributes for the cleanup functions. */ # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1))) #endif #endif /* bits/pthreadtypes.h */
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