SystemCommand: Exit without cleanup on error and avoid logger

1 files changed, 23 insertions, 0 deletions

diff --git a/src/buildtool/system/system.cpp b/src/buildtool/system/system.cpp
new file mode 100644
index 00000000..5f389b9a
--- /dev/null
+++ b/src/buildtool/system/system.cpp
@@ -0,0 +1,23 @@
+#include "src/buildtool/system/system.hpp"
+
+#include <array>
+#include <cstdlib>
+#include <string>
+
+#include <unistd.h>
+
+void System::ExitWithoutCleanup(int exit_code) {
+#ifdef VALGRIND_BUILD
+    // Usually std::_Exit() is the right thing to do in child processes that do
+    // not need to perform any cleanup (static destructors etc.). However,
+    // Valgrind will trace child processes until exec(3) is called or otherwise
+    // complains about leaks. Therefore, exit child processes via execvpe(3) if
+    // VALGRIND_BUILD is defined.
+    auto cmd =
+        std::string{exit_code == EXIT_SUCCESS ? "/bin/true" : "/bin/false"};
+    auto args = std::array<char*, 2>{cmd.data(), nullptr};
+    ::execvpe(args[0], args.data(), nullptr);
+#else
+    std::_Exit(exit_code);
+#endif
+}