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-rw-r--r--libbuild2/context.hxx16
1 files changed, 16 insertions, 0 deletions
diff --git a/libbuild2/context.hxx b/libbuild2/context.hxx
index bb8f31f..c040927 100644
--- a/libbuild2/context.hxx
+++ b/libbuild2/context.hxx
@@ -339,6 +339,22 @@ namespace build2
(current_mname.empty () && current_oname == mo));
};
+ // Meta/operation-specific context-global auxiliary data storage.
+ //
+ // Note: cleared by current_[meta_]operation() below. Normally set by
+ // meta/operation-specific callbacks from [mate_]operation_info.
+ //
+ // Note also: watch out for MT-safety in the data itself.
+ //
+ static void
+ null_current_data_deleter (void* p) { assert (p == nullptr); }
+
+ using current_data_ptr = unique_ptr<void, void (*) (void*)>;
+
+ current_data_ptr current_mdata = {nullptr, null_current_data_deleter};
+ current_data_ptr current_inner_odata = {nullptr, null_current_data_deleter};
+ current_data_ptr current_outer_odata = {nullptr, null_current_data_deleter};
+
// Current operation number (1-based) in the meta-operation batch.
//
size_t current_on;