From c5cbb948e2357edc4524a9b5ce324253116f3b90 Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Thu, 21 Dec 2017 01:35:36 +1100
Subject: [PATCH] [client] report locking mode used for diagnostics

---
 client/main.c  | 1 +
 client/utils.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/client/main.c b/client/main.c
index 4cd43283..46373d48 100644
--- a/client/main.c
+++ b/client/main.c
@@ -642,6 +642,7 @@ static bool try_renderer(const int index, const LG_RendererParams lgrParams, Uin
 int run()
 {
   DEBUG_INFO("Looking Glass (" BUILD_VERSION ")");
+  DEBUG_INFO("Locking Method: " LG_LOCK_MODE);
 
   memset(&state, 0, sizeof(state));
   state.running = true;
diff --git a/client/utils.h b/client/utils.h
index c446c427..618dffc6 100644
--- a/client/utils.h
+++ b/client/utils.h
@@ -47,12 +47,14 @@ static inline void nsleep(uint64_t ns)
 }
 
 #ifdef ATOMIC_LOCKING
+  #define LG_LOCK_MODE    "Atomic"
   typedef volatile int LG_Lock;
   #define LG_LOCK_INIT(x) (x) = 0
   #define LG_LOCK(x)      while(__sync_lock_test_and_set(&(x), 1)) {nsleep(100);}
   #define LG_UNLOCK(x)    __sync_lock_release(&x)
   #define LG_LOCK_FREE(x)
 #else
+  #define LG_LOCK_MODE    "Mutex"
   typedef SDL_mutex * LG_Lock;
   #define LG_LOCK_INIT(x) (x = SDL_CreateMutex())
   #define LG_LOCK(x)      SDL_LockMutex(x)