2004-07-01  Benjamin Kosnik  <bkoz@redhat.com>
            Per Bothner  <per@bothner.com >
	    Mohan Embar  <gnustuff@thisiscool.com>

	PR libstdc++/16248
	* include/bits/concurrence.h (__glibcxx_mutex_type): New.
	(__glibcxx_mutex): Encapsulate mutex init function into type for
	threaded configurations without __GTHREAD_MUTEX_INIT.
	(lock::lock): Make device member a reference.
	(lock::~lock): Same.
	* include/ext/pool_allocator.h (__pool_base::_M_get_mutex): Change
	to mutex_type.
	* src/allocator.cc: Same.

Co-Authored-By: Mohan Embar <gnustuff@thisiscool.com>
Co-Authored-By: Per Bothner <per@bothner.com>

From-SVN: r83985