#1354 Make coroutines use LLCoros::Mutex instead of LLMutex (#1356)

* #1354 Make coroutines use LLCoros::Mutex instead of LLMutex

* #1354 Fix some more unsafe coroutine executions.

* #1354 Implement changes requested by Nat

1 files changed, 10 insertions, 0 deletions

diff --git a/indra/llcommon/llcoros.h b/indra/llcommon/llcoros.h
index fd878f20ad..00650a2454 100644
--- a/indra/llcommon/llcoros.h
+++ b/indra/llcommon/llcoros.h
@@ -94,6 +94,16 @@ class LL_COMMON_API LLCoros: public LLSingleton<LLCoros>
 
     void cleanupSingleton() override;
 public:
+    // For debugging, return true if on the main coroutine for the current thread
+    // Code that should not be executed from a coroutine should be protected by
+    // llassert(LLCoros::on_main_coro())
+    static bool on_main_coro();
+
+    // For debugging, return true if on the main thread and not in a coroutine
+    // Non-thread-safe code in the main loop should be protected by 
+    // llassert(LLCoros::on_main_thread_main_coro())
+    static bool on_main_thread_main_coro();
+
     /// The viewer's use of the term "coroutine" became deeply embedded before
     /// the industry term "fiber" emerged to distinguish userland threads from
     /// simpler, more transient kinds of coroutines. Semantically they've