Enable use of TSAN

The -DWITH_TSAN option enables the ThreadSanitizer if libtsan is
installed.

CMakeLists.txt

@@ -43,6 +43,7 @@ find_package(Avro)
 find_package(GSSAPI)
 find_package(SQLite)
 find_package(ASAN)
+find_package(TSAN)
 
 # Build PCRE2 so we always know the version
 # Read BuildPCRE2 for details about how to add pcre2 as a dependency to a target
@@ -159,6 +160,9 @@ endif()
 if (WITH_ASAN AND ASAN_FOUND)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
+elseif (WITH_TSAN AND TSAN_FOUND)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread")
 endif()
 
 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${DEBUG_FLAGS} -DSS_DEBUG -DLOG_ASSERT")

cmake/FindASAN.cmake

@@ -7,8 +7,8 @@
 find_library(ASAN_LIBRARIES NAMES libasan.so.0 libasan.so.1 libasan.so.2 libasan.so.3 libasan.so.4)
 
 if (ASAN_LIBRARIES)
-  message(STATUS "Found AdressSanitizer libraries: ${ASAN_LIBRARIES}")
+  message(STATUS "Found AddressSanitizer libraries: ${ASAN_LIBRARIES}")
   set(ASAN_FOUND TRUE CACHE INTERNAL "")
 else()
-  message(STATUS "Could not find AdressSanitizer")
+  message(STATUS "Could not find AddressSanitizer")
 endif()

cmake/FindTSAN.cmake

@@ -0,0 +1,14 @@
+# Find ThreadSanitizer libraries
+#
+# The following variables are set:
+# TSAN_FOUND - If ThreadSanitizer was found
+# TSAN_LIBRARIES - Path to the libasan library
+
+find_library(TSAN_LIBRARIES NAMES libtsan.so.0 libtsan.so.1 libtsan.so.2 libtsan.so.3 libtsan.so.4)
+
+if (TSAN_LIBRARIES)
+  message(STATUS "Found ThreadSanitizer libraries: ${TSAN_LIBRARIES}")
+  set(TSAN_FOUND TRUE CACHE INTERNAL "")
+else()
+  message(STATUS "Could not find AdressSanitizer")
+endif()