1 files changed, 30 insertions, 0 deletions
diff --git a/indra/llcommon/llcoro_get_id.h b/indra/llcommon/llcoro_get_id.h
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index 0000000000..4c1dca6f19
--- /dev/null
+++ b/indra/llcommon/llcoro_get_id.h
@@ -0,0 +1,30 @@
+/**
+ * @file   llcoro_get_id.h
+ * @author Nat Goodspeed
+ * @date   2016-09-03
+ * @brief  Supplement the functionality in llcoro.h.
+ *
+ *         This is broken out as a separate header file to resolve
+ *         circularity: LLCoros isa LLSingleton, yet LLSingleton machinery
+ *         requires llcoro::get_id().
+ *
+ *         Be very suspicious of anyone else #including this header.
+ * 
+ * $LicenseInfo:firstyear=2016&license=viewerlgpl$
+ * Copyright (c) 2016, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+#if ! defined(LL_LLCORO_GET_ID_H)
+#define LL_LLCORO_GET_ID_H
+
+namespace llcoro
+{
+
+/// Get an opaque, distinct token for the running coroutine (or main).
+typedef void* id;
+id get_id();
+
+} // llcoro
+
+#endif /* ! defined(LL_LLCORO_GET_ID_H) */