dart-sdk/runtime/vm/longjump.cc
Ryan Macnak 206c7ba8a6 [vm, gc] Don't use Thread::sticky_error_ when aborting a scavenge.
TEST=tsan
Bug: https://github.com/dart-lang/sdk/issues/46095
Change-Id: I5c2695ec9a6a0d9fa1415805bc83a90fc1f8ee17
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/204820
Reviewed-by: Alexander Aprelev <aam@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2021-06-28 18:06:12 +00:00

53 lines
1.4 KiB
C++

// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/longjump.h"
#include "include/dart_api.h"
#include "vm/dart_api_impl.h"
#include "vm/isolate.h"
#include "vm/object.h"
#include "vm/os.h"
namespace dart {
jmp_buf* LongJumpScope::Set() {
ASSERT(top_ == NULL);
top_ = Thread::Current()->top_resource();
return &environment_;
}
void LongJumpScope::Jump(int value, const Error& error) {
ASSERT(!error.IsNull());
// Remember the error in the sticky error of this isolate.
Thread::Current()->set_sticky_error(error);
Jump(value);
}
void LongJumpScope::Jump(int value) {
// A zero is the default return value from setting up a LongJumpScope
// using Set.
ASSERT(value != 0);
Thread* thread = Thread::Current();
DEBUG_ASSERT(thread->TopErrorHandlerIsSetJump());
#if defined(DEBUG)
#define CHECK_REUSABLE_HANDLE(name) \
ASSERT(!thread->reusable_##name##_handle_scope_active());
REUSABLE_HANDLE_LIST(CHECK_REUSABLE_HANDLE)
#undef CHECK_REUSABLE_HANDLE
#endif // defined(DEBUG)
// Destruct all the active StackResource objects.
StackResource::UnwindAbove(thread, top_);
longjmp(environment_, value);
UNREACHABLE();
}
} // namespace dart