Locking: Add basic reactive deadlock detection foundation

We added a timestamp to each Lockvoker so that we can detect when
a lockvoker has been in a qutex for "too long", where "too long"
is defined arbitrarily as 500ms.

Next we're going to change the way we create callbacks to enable
us to more explicitly access the sh_ptr<AsyncContin> via
the callback object.

CMakeLists.txt

@@ -3,6 +3,7 @@ project(salmanoff VERSION 0.00.004 LANGUAGES CXX)
 
 include(CMakeDependentOption)
 include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/DAPSS.cmake)
+include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/DebugOpts.cmake)
 
 # Set C++ standard
 set(CMAKE_CXX_STANDARD 20)
@@ -27,16 +28,19 @@ math(EXPR MIND_VOSCILLATOR_FREQ_MS "1000 / ${MIND_VOSCILLATOR_PERIOD_MS}")
 option(WORLD_USE_BODY_THREAD
 	"Use body thread for world component instead of separate world thread" OFF)
 
-# Qutex deadlock detection configuration
-set(DEBUG_CONFIG_QUTEX_DEADLOCK_TIMEOUT_MS 500 CACHE STRING
-	"Timeout in milliseconds for deadlock detection in qutex system")
-if(NOT DEBUG_CONFIG_QUTEX_DEADLOCK_TIMEOUT_MS GREATER 0)
-    message(FATAL_ERROR "DEBUG_CONFIG_QUTEX_DEADLOCK_TIMEOUT_MS must be a positive integer > 0")
-endif()
-
 # Test configuration
 option(ENABLE_TESTS "Enable building tests" OFF)
 
+# Set the debug locks variable for config.h
+if(ENABLE_DEBUG_LOCKS)
+    set(CONFIG_ENABLE_DEBUG_LOCKS TRUE)
+else()
+    set(CONFIG_ENABLE_DEBUG_LOCKS FALSE)
+endif()
+
+# Set the timeout variable for config.h
+set(CONFIG_DEBUG_QUTEX_DEADLOCK_TIMEOUT_MS ${DEBUG_QUTEX_DEADLOCK_TIMEOUT_MS})
+
 # Configure config.h
 configure_file(
     ${CMAKE_CURRENT_SOURCE_DIR}/include/config.h.in