Add build_oai/cmake option to build with thread sanitizer

CMakeLists.txt

@@ -193,6 +193,13 @@ if (SANITIZE_ADDRESS)
   # wrong in the pthread library, or something subtly wrong in this CMakeLists.txt. Use Ubuntu 20.04 instead.
 endif ()
 
+add_boolean_option(SANITIZE_THREAD False "enable the address sanitizer (TSan)" ON)
+if (SANITIZE_THREAD)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread -fno-omit-frame-pointer -fno-common")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread -fno-omit-frame-pointer -fno-common")
+  set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=thread")
+endif()
+
 add_boolean_option(SANITIZE_UNDEFINED False "enable the undefined behavior sanitizer (UBSan)" ON)
 if (SANITIZE_UNDEFINED)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=undefined -fno-sanitize-recover=all")

cmake_targets/build_oai

@@ -158,6 +158,8 @@ Options:
   Enable the memory sanitizer on all targets. Requires clang, and is
   incompatible with ASan/UBSan. To build, issue:
   CC=/usr/bin/clang CXX=/usr/bin/clang++ ./build_oai ... --sanitize-memory
+--sanitize-thread | -fsanitize=thread
+  Enable the thread sanitizer on all targets
 -h | --help
    Print this help"
 }
@@ -416,6 +418,9 @@ function main() {
             CMAKE_CMD="$CMAKE_CMD -DTRACE_ASN1C_ENC_DEC=ON"
             echo_info "Enabling asn1c internal traces via OAI logging system"
             shift 1;;
+        --sanitize-thread | -fthread=address)
+            CMAKE_CMD="$CMAKE_CMD -DSANITIZE_THREAD=True"
+            shift;;
         -h | --help)
             print_help
             exit 1;;