1 //===-- sanitizer_stoptheworld_fuchsia.cpp -------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===---------------------------------------------------------------------===//
8 //
9 // See sanitizer_stoptheworld.h for details.
10 //
11 //===---------------------------------------------------------------------===//
12 
13 #include "sanitizer_platform.h"
14 
15 #if SANITIZER_FUCHSIA
16 
17 #include <zircon/sanitizer.h>
18 
19 #include "sanitizer_stoptheworld.h"
20 
21 namespace __sanitizer {
22 
23 // The Fuchsia implementation stops the world but doesn't offer a real
24 // SuspendedThreadsList argument.  This is enough for ASan's use case,
25 // and LSan does not use this API on Fuchsia.
26 void StopTheWorld(StopTheWorldCallback callback, void *argument) {
27   struct Params {
28     StopTheWorldCallback callback;
29     void *argument;
30   } params = {callback, argument};
31   __sanitizer_memory_snapshot(
32       nullptr, nullptr, nullptr, nullptr,
33       [](zx_status_t, void *data) {
34         auto params = reinterpret_cast<Params *>(data);
35         params->callback({}, params->argument);
36       },
37       &params);
38 }
39 
40 }  // namespace __sanitizer
41 
42 #endif  // SANITIZER_FUCHSIA
43