PR c++/17868

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

diff --git a/gcc/gthr.h b/gcc/gthr.h
index f2a5668..dc43b6d 100644 (file)
--- a/gcc/gthr.h
+++ b/gcc/gthr.h
@@ -29,10 +29,12 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #ifndef GCC_GTHR_H
 #define GCC_GTHR_H
 
+#pragma GCC visibility push(default)
+
 /* 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 +42,7 @@ 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 +52,14 @@ 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:
 
@@ -62,8 +68,6 @@ 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)
 
@@ -71,6 +75,10 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
      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.
 
@@ -80,15 +88,17 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
      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 _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 +107,11 @@ 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
 
+#pragma GCC visibility pop
+
 #endif /* ! GCC_GTHR_H */