re PR libstdc++/17627 (M68060 fails with libstdc++-v3/config/cpu/m68k/atomicity.h)

2004-11-02  Benjamin Kosnik  <bkoz@redhat.com>
  	    Lothar Werzinger  <lothar@xcerla.com>

	PR libstdc++/17627
	* src/debug.cc: Include concurrence, use mutexes.
	(_Safe_iterator_base::_M_attach): Here.
	(_Safe_iterator_base::_M_detach): Here.

Co-Authored-By: Lothar Werzinger <lothar@xcerla.com>

From-SVN: r90004

libstdc++-v3/ChangeLog

 2004-11-02  Benjamin Kosnik  <bkoz@redhat.com>
+  	    Lothar Werzinger  <lothar@xcerla.com>
+	
+	PR libstdc++/17627
+	* src/debug.cc: Include concurrence, use mutexes.
+	(_Safe_iterator_base::_M_attach): Here.	
+	(_Safe_iterator_base::_M_detach): Here.	
+	
+2004-11-02  Benjamin Kosnik  <bkoz@redhat.com>
 
 	PR libstdc++/17922
 	* include/bits/ios_base.h : Add enum values.

libstdc++-v3/src/debug.cc

@@ -37,9 +37,17 @@
 #include <cstring>
 #include <cstdio>
 #include <cctype>
+#include <bits/concurrence.h>
 
 using namespace std;
 
+namespace __gnu_internal
+{
+  __glibcxx_mutex_define_initialized(iterator_base_attach_mutex);
+  __glibcxx_mutex_define_initialized(iterator_base_detach_mutex);
+
+} // namespace __gnu_internal
+
 namespace __gnu_debug
 {
   const char* _S_debug_messages[] = 
@@ -188,6 +196,7 @@ namespace __gnu_debug
     // Attach to the new sequence (if there is one)
     if (__seq)
       {
+	__gnu_cxx::lock sentry(__gnu_internal::iterator_base_attach_mutex);
 	_M_sequence = __seq;
 	_M_version = _M_sequence->_M_version;
 	_M_prior = 0;
@@ -212,6 +221,7 @@ namespace __gnu_debug
   _Safe_iterator_base::
   _M_detach()
   {
+    __gnu_cxx::lock sentry(__gnu_internal::iterator_base_detach_mutex);
     if (_M_sequence)
       {
 	// Remove us from this sequence's list