Add a ModuleList::ForEach(...) which takes the module list mutex calls the std::function argument with each module. If you return true in the callback, iteration will continue, if you return false, iteration will stop and the lock will be released.

<rdar://problem/19213054>

llvm-svn: 229008

1 files changed, 12 insertions, 0 deletions

diff --git a/lldb/source/Core/ModuleList.cpp b/lldb/source/Core/ModuleList.cpp
index 879eb9bd182..5c8e0e0ca8e 100644
--- a/lldb/source/Core/ModuleList.cpp
+++ b/lldb/source/Core/ModuleList.cpp
@@ -1162,3 +1162,15 @@ ModuleList::LoadScriptingResourcesInTarget (Target *target,
     }
     return errors.size() == 0;
 }
+
+void
+ModuleList::ForEach (std::function <bool (const ModuleSP &module_sp)> const &callback) const
+{
+    Mutex::Locker locker(m_modules_mutex);
+    for (const auto &module : m_modules)
+    {
+        // If the callback returns false, then stop iterating and break out
+        if (!callback (module))
+            break;
+    }
+}