vendor/llvm-project/llvmorg-11-init-20887-g2e10b7a39b9vendor/llvm-project/master

1 files changed, 42 insertions, 0 deletions

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp
new file mode 100644
index 000000000000..3a246443ed99
--- /dev/null
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp
@@ -0,0 +1,42 @@
+//===-- sanitizer_stoptheworld_fuchsia.cpp -------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===---------------------------------------------------------------------===//
+//
+// See sanitizer_stoptheworld.h for details.
+//
+//===---------------------------------------------------------------------===//
+
+#include "sanitizer_platform.h"
+
+#if SANITIZER_FUCHSIA
+
+#include <zircon/sanitizer.h>
+
+#include "sanitizer_stoptheworld.h"
+
+namespace __sanitizer {
+
+// The Fuchsia implementation stops the world but doesn't offer a real
+// SuspendedThreadsList argument.  This is enough for ASan's use case,
+// and LSan does not use this API on Fuchsia.
+void StopTheWorld(StopTheWorldCallback callback, void *argument) {
+  struct Params {
+    StopTheWorldCallback callback;
+    void *argument;
+  } params = {callback, argument};
+  __sanitizer_memory_snapshot(
+      nullptr, nullptr, nullptr, nullptr,
+      [](zx_status_t, void *data) {
+        auto params = reinterpret_cast<Params *>(data);
+        params->callback({}, params->argument);
+      },
+      &params);
+}
+
+}  // namespace __sanitizer
+
+#endif  // SANITIZER_FUCHSIA