Build: Add ThreadSanitizer (TSan) support

Enable it by setting -DTSAN=1
This setting is mutually exclusive with -DASAN

CMakeLists.txt

@@ -93,6 +93,11 @@ mark_as_advanced(
 option(BUILD_TEST_SUITE "Build the test suite" 0)
 option(BUILD_MAN "Build man pages" 1)
 option(ASAN "DEBUGGING: Build with AddressSanitizer (ASan) support" 0)
+option(TSAN "DEBUGGING: Build with ThreadSanitizer (TSan) support" 0)
+
+if(ASAN AND TSAN)
+  message(FATAL_ERROR "ASAN and TSAN options are mutually exclusive")
+endif()
 
 set(ZM_RUNDIR "/var/run/zm" CACHE PATH
   "Location of transient process files, default: /var/run/zm")

cmake/compiler/clang/settings.cmake

@@ -19,3 +19,15 @@ if(ASAN)
 
   message(STATUS "Clang: Enabled AddressSanitizer (ASan)")
 endif()
+
+if(TSAN)
+  target_compile_options(zm-compile-option-interface
+    INTERFACE
+      -fsanitize=thread)
+
+  target_link_options(zm-compile-option-interface
+    INTERFACE
+      -fsanitize=thread)
+
+  message(STATUS "Clang: Enabled ThreadSanitizer (TSan)")
+endif()

cmake/compiler/gcc/settings.cmake

@@ -19,3 +19,15 @@ if(ASAN)
 
   message(STATUS "GCC: Enabled AddressSanitizer (ASan)")
 endif()
+
+if(TSAN)
+  target_compile_options(zm-compile-option-interface
+    INTERFACE
+      -fsanitize=thread)
+
+  target_link_options(zm-compile-option-interface
+    INTERFACE
+      -fsanitize=thread)
+
+  message(STATUS "GCC: Enabled ThreadSanitizer (TSan)")
+endif()