From 4c07bf5aaed99077076d29a4d9e3aeb8a27e9e2d Mon Sep 17 00:00:00 2001
From: Peter Keresztes Schmidt <carbenium@outlook.com>
Date: Thu, 11 Feb 2021 00:38:31 +0100
Subject: [PATCH] Build: Add ThreadSanitizer (TSan) support

Enable it by setting -DTSAN=1
This setting is mutually exclusive with -DASAN
---
 CMakeLists.txt                      |  5 +++++
 cmake/compiler/clang/settings.cmake | 12 ++++++++++++
 cmake/compiler/gcc/settings.cmake   | 12 ++++++++++++
 3 files changed, 29 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ffde23ac..6df0d2b81 100644
--- a/CMakeLists.txt
+++ b/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")
diff --git a/cmake/compiler/clang/settings.cmake b/cmake/compiler/clang/settings.cmake
index c8d90ae0f..c2f2cf74f 100644
--- a/cmake/compiler/clang/settings.cmake
+++ b/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()
diff --git a/cmake/compiler/gcc/settings.cmake b/cmake/compiler/gcc/settings.cmake
index ecdf31caa..4011b5df1 100644
--- a/cmake/compiler/gcc/settings.cmake
+++ b/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()