/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _BITS_PTHREADTYPES_H #define _BITS_PTHREADTYPES_H 1 #define __SIZEOF_PTHREAD_ATTR_T 36 #define __SIZEOF_PTHREAD_MUTEX_T 24 #define __SIZEOF_PTHREAD_MUTEXATTR_T 4 #define __SIZEOF_PTHREAD_COND_T 48 #define __SIZEOF_PTHREAD_COND_COMPAT_T 12 #define __SIZEOF_PTHREAD_CONDATTR_T 4 #define __SIZEOF_PTHREAD_RWLOCK_T 32 #define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 #define __SIZEOF_PTHREAD_BARRIER_T 20 #define __SIZEOF_PTHREAD_BARRIERATTR_T 4 /* Thread identifiers. The structure of the attribute type is not exposed on purpose. */ typedef unsigned long int pthread_t; union pthread_attr_t { char __size[__SIZEOF_PTHREAD_ATTR_T]; long int __align; }; #ifndef __have_pthread_attr_t typedef union pthread_attr_t pthread_attr_t; # define __have_pthread_attr_t 1 #endif typedef struct __pthread_internal_slist { struct __pthread_internal_slist *__next; } __pthread_slist_t; /* Data structures for mutex handling. The structure of the attribute type is not exposed on purpose. */ typedef union { struct __pthread_mutex_s { int __lock; unsigned int __count; int __owner; /* KIND must stay at this position in the structure to maintain binary compatibility. */ int __kind; unsigned int __nusers; __extension__ union { int __spins; __pthread_slist_t __list; }; } __data; char __size[__SIZEOF_PTHREAD_MUTEX_T]; long int __align; } pthread_mutex_t; typedef union { char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; long int __align; } pthread_mutexattr_t; /* Data structure for conditional variable handling. The structure of the attribute type is not exposed on purpose. */ typedef union { struct { int __lock; unsigned int __futex; __extension__ unsigned long long int __total_seq; __extension__ unsigned long long int __wakeup_seq; __extension__ unsigned long long int __woken_seq; void *__mutex; unsigned int __nwaiters; unsigned int __broadcast_seq; } __data; char __size[__SIZEOF_PTHREAD_COND_T]; __extension__ long long int __align; } pthread_cond_t; typedef union { char __size[__SIZEOF_PTHREAD_CONDATTR_T]; long int __align; } pthread_condattr_t; /* Keys for thread-specific data */ typedef unsigned int pthread_key_t; /* Once-only execution */ typedef int pthread_once_t; #if defined __USE_UNIX98 || defined __USE_XOPEN2K /* Data structure for read-write lock variable handling. The structure of the attribute type is not exposed on purpose. */ typedef union { struct { int __lock; unsigned int __nr_readers; unsigned int __readers_wakeup; unsigned int __writer_wakeup; unsigned int __nr_readers_queued; unsigned int __nr_writers_queued; /* FLAGS must stay at this position in the structure to maintain binary compatibility. */ unsigned char __flags; unsigned char __shared; unsigned char __pad1; unsigned char __pad2; int __writer; } __data; char __size[__SIZEOF_PTHREAD_RWLOCK_T]; long int __align; } pthread_rwlock_t; typedef union { char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T]; long int __align; } pthread_rwlockattr_t; #endif #ifdef __USE_XOPEN2K /* POSIX spinlock data type. */ typedef volatile int pthread_spinlock_t; /* POSIX barriers data type. The structure of the type is deliberately not exposed. */ typedef union { char __size[__SIZEOF_PTHREAD_BARRIER_T]; long int __align; } pthread_barrier_t; typedef union { char __size[__SIZEOF_PTHREAD_BARRIERATTR_T]; int __align; } pthread_barrierattr_t; #endif /* Extra attributes for the cleanup functions. */ /* FIXME, check this after gcc uprgrade. #define __cleanup_fct_attribute __attribute__ ((__regparm__ (1))) warning: '__regparm__' attribute directive ignored */ #endif /* bits/pthreadtypes.h */