Don't expose the pthread_mutex_t underlying the Mutex & Mutex::Locker classes.  
No one was using it and Locker(pthread_mutex_t *) immediately asserts for 
pthread_mutex_t's that don't come from a Mutex anyway.  Rather than try to make
that work, we should maintain the Mutex abstraction and not pass around the
platform implementation...

Make Mutex::Locker::Lock take a Mutex & or a Mutex *, and remove the constructor
taking a pthread_mutex_t *.  You no longer need to call Mutex::GetMutex to pass
your mutex to a Locker (you can't in fact, since I made it private.)


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@156221 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/API/SBDebugger.cpp b/source/API/SBDebugger.cpp
index b052f77..46d5118 100644
--- a/source/API/SBDebugger.cpp
+++ b/source/API/SBDebugger.cpp
@@ -308,7 +308,7 @@
         TargetSP target_sp (m_opaque_sp->GetSelectedTarget());
         Mutex::Locker api_locker;
         if (target_sp)
-            api_locker.Lock(target_sp->GetAPIMutex().GetMutex());
+            api_locker.Lock(target_sp->GetAPIMutex());
 
         SBCommandInterpreter sb_interpreter(GetCommandInterpreter ());
         SBCommandReturnObject result;
@@ -830,7 +830,7 @@
         TargetSP target_sp (m_opaque_sp->GetSelectedTarget());
         Mutex::Locker api_locker;
         if (target_sp)
-            api_locker.Lock(target_sp->GetAPIMutex().GetMutex());
+            api_locker.Lock(target_sp->GetAPIMutex());
         InputReaderSP reader_sp(*reader);
         m_opaque_sp->PushInputReader (reader_sp);
     }