libsanitizer/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp

   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