X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgthr.h;h=b9d164187c16454a1e08e428c71c654288be9f4e;hb=d067185e213f6a0fa48055ee34ad63a0682b974b;hp=7cfa8eda279380367e4b56b1bf3651b8f16895a7;hpb=2a28135353b97956c0ad51a9fe00868f24458a06;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/gthr.h b/gcc/gthr.h index 7cfa8eda279..b9d164187c1 100644 --- a/gcc/gthr.h +++ b/gcc/gthr.h @@ -1,23 +1,23 @@ /* Threads compatibility routines for libgcc2. */ /* Compile this one with gcc. */ -/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2004 Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. -GNU CC 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 General Public License for more details. +GCC 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 General Public License +for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ /* As a special exception, if you link this library with other files, some of which are compiled with GCC, to produce an executable, @@ -29,10 +29,14 @@ Boston, MA 02111-1307, USA. */ #ifndef GCC_GTHR_H #define GCC_GTHR_H +#ifndef HIDE_EXPORTS +#pragma GCC visibility push(default) +#endif + /* If this file is compiled with threads support, it must #define __GTHREADS 1 to indicate that threads support is present. Also it has define - function + function int __gthread_active_p () that returns 1 if thread system is active, 0 if not. @@ -40,6 +44,7 @@ Boston, MA 02111-1307, USA. */ __gthread_key_t __gthread_once_t __gthread_mutex_t + __gthread_recursive_mutex_t The threads interface must define the following macros: @@ -49,11 +54,14 @@ Boston, MA 02111-1307, USA. */ to initialize __gthread_mutex_t to get a fast non-recursive mutex. __GTHREAD_MUTEX_INIT_FUNCTION - some systems can't initalize a mutex without a + some systems can't initialize a mutex without a function call. On such systems, define this to a function which looks like this: void __GTHREAD_MUTEX_INIT_FUNCTION (__gthread_mutex_t *) Don't define __GTHREAD_MUTEX_INIT in this case + __GTHREAD_RECURSIVE_MUTEX_INIT + __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION + as above, but for a recursive mutex. The threads interface must define the following static functions: @@ -62,8 +70,6 @@ Boston, MA 02111-1307, USA. */ int __gthread_key_create (__gthread_key_t *keyp, void (*dtor) (void *)) int __gthread_key_delete (__gthread_key_t key) - int __gthread_key_dtor (__gthread_key_t key, void *ptr) - void *__gthread_getspecific (__gthread_key_t key) int __gthread_setspecific (__gthread_key_t key, const void *ptr) @@ -71,24 +77,34 @@ Boston, MA 02111-1307, USA. */ int __gthread_mutex_trylock (__gthread_mutex_t *mutex); int __gthread_mutex_unlock (__gthread_mutex_t *mutex); + int __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex); + int __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex); + int __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex); + All functions returning int should return zero on success or the error number. If the operation is not supported, -1 is returned. Currently supported threads packages are - POSIX threads with -D_PTHREADS + TPF threads with -D__tpf__ + POSIX/Unix98 threads with -D_PTHREADS + POSIX/Unix95 threads with -D_PTHREADS95 DCE threads with -D_DCE_THREADS Solaris/UI threads with -D_SOLARIS_THREADS */ -/* Check first for thread specific defines. */ -#if _PTHREADS +/* Check first for thread specific defines. */ +#if defined (__tpf__) +#include "gthr-tpf.h" +#elif _PTHREADS #include "gthr-posix.h" +#elif _PTHREADS95 +#include "gthr-posix95.h" #elif _DCE_THREADS #include "gthr-dce.h" #elif _SOLARIS_THREADS #include "gthr-solaris.h" -/* Include GTHREAD_FILE if one is defined. */ +/* Include GTHREAD_FILE if one is defined. */ #elif defined(HAVE_GTHR_DEFAULT) #if SUPPORTS_WEAK #ifndef GTHREAD_USE_WEAK @@ -97,9 +113,13 @@ Boston, MA 02111-1307, USA. */ #endif #include "gthr-default.h" -/* Fallback to single thread definitions. */ +/* Fallback to single thread definitions. */ #else #include "gthr-single.h" #endif +#ifndef HIDE_EXPORTS +#pragma GCC visibility pop +#endif + #endif /* ! GCC_GTHR_H */