Add new Queue, QueueItem, Queuelist, SBQueue, SBQueueItem classes to represent

libdispatch aka Grand Central Dispatch (GCD) queues.  Still fleshing out the
documentation and testing of these but the overall API is settling down so it's
a good time to check it in.
<rdar://problem/15600370> 

llvm-svn: 197190

2 files changed, 25 insertions, 1 deletions

diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp
index 388264a2d95..5756e7071d7 100644
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp
@@ -22,10 +22,11 @@
 #include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Symbol/SymbolContext.h"
 #include "Plugins/Process/Utility/HistoryThread.h"
+#include "lldb/Target/Queue.h"
+#include "lldb/Target/QueueList.h"
 #include "lldb/Target/Target.h"
 #include "lldb/Target/Thread.h"
 
-
 #include "SystemRuntimeMacOSX.h"
 
 using namespace lldb;
@@ -443,6 +444,26 @@ SystemRuntimeMacOSX::GetExtendedBacktraceThread (ThreadSP original_thread_sp, Co
     return new_extended_thread_sp;
 }
 
+void
+SystemRuntimeMacOSX::PopulateQueueList (lldb_private::QueueList &queue_list)
+{
+    // For now, iterate over the threads and see what queue each thread is associated with.
+    // If we haven't already added this queue, add it to the QueueList.
+    // (a single libdispatch queue may be using multiple threads simultaneously.)
+
+    for (ThreadSP thread_sp : m_process->Threads())
+    {
+        if (thread_sp->GetQueueID() != LLDB_INVALID_QUEUE_ID)
+        {
+            if (queue_list.FindQueueByID (thread_sp->GetQueueID()).get() == NULL)
+            {
+                QueueSP queue_sp (new Queue(m_process->shared_from_this(), thread_sp->GetQueueID(), thread_sp->GetQueueName()));
+                queue_list.AddQueue (queue_sp);
+            }
+        }
+    }
+}
+
 
 void
 SystemRuntimeMacOSX::Initialize()
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h
index c472bee8572..4c684fee7b2 100644
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h
@@ -104,6 +104,9 @@ private:
     SystemRuntimeMacOSX::ArchivedBacktrace
     GetLibdispatchExtendedBacktrace (lldb::ThreadSP thread);
 
+    void
+    PopulateQueueList (lldb_private::QueueList &queue_list);
+
 protected:
     lldb::user_id_t m_break_id;
     mutable lldb_private::Mutex m_mutex;