* config/i386/mmx.md: Rename "*..." insn patterns from my

[pf3gnuchains/gcc-fork.git] / gcc / gthr.h

diff --git a/gcc/gthr.h b/gcc/gthr.h
index f2a5668..a145ef1 100644 (file)
--- a/gcc/gthr.h
+++ b/gcc/gthr.h
@@ -1,6 +1,6 @@
 /* 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 GCC.
 
@@ -16,8 +16,8 @@ for more details.
 
 You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+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 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #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 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
      __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 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
                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:
 
@@ -62,33 +70,61 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
      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)
 
+     int __gthread_mutex_destroy (__gthread_mutex_t *mutex);
+
      int __gthread_mutex_lock (__gthread_mutex_t *mutex);
      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);
+
+   The following are supported in POSIX threads only. They are required to
+   fix a deadlock in static initialization inside libsupc++. The header file
+   gthr-posix.h defines a symbol __GTHREAD_HAS_COND to signify that these extra
+   features are supported.
+
+   Types:
+     __gthread_cond_t
+
+   Macros:
+     __GTHREAD_COND_INIT
+     __GTHREAD_COND_INIT_FUNCTION
+
+   Interface:
+     int __gthread_cond_broadcast (__gthread_cond_t *cond);
+     int __gthread_cond_wait (__gthread_cond_t *cond, __gthread_mutex_t *mutex);
+     int __gthread_cond_wait_recursive (__gthread_cond_t *cond,
+                                       __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 +133,13 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #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 */