Files
sdk/runtime/vm/longjump.h
T
Zachary Anderson 103881d01c Make header include guards great again
i.e. #ifndef VM_WHATEVER -> #ifndef RUNTIME_VM_WHATEVER

This lets us remove a hack from the PRESUBMIT.py script that existed
for reasons that are no longer valid, and sets us up to add some
presubmit checks for the GN build.

R=asiva@google.com, rmacnak@google.com

Review URL: https://codereview.chromium.org/2450713004 .
2016-10-26 00:26:03 -07:00

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1.1 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.
#ifndef RUNTIME_VM_LONGJUMP_H_
#define RUNTIME_VM_LONGJUMP_H_
#include <setjmp.h>
#include "vm/allocation.h"
#include "vm/isolate.h"
namespace dart {
class Error;
class LongJumpScope : public StackResource {
public:
LongJumpScope()
: StackResource(Thread::Current()),
top_(NULL),
base_(Thread::Current()->long_jump_base()) {
Thread::Current()->set_long_jump_base(this);
}
~LongJumpScope() {
Thread::Current()->set_long_jump_base(base_);
}
jmp_buf* Set();
void Jump(int value, const Error& error);
// Would it be safe to use this longjump?
//
// Checks to make sure that the jump would not cross Dart frames.
bool IsSafeToJump();
private:
jmp_buf environment_;
StackResource* top_;
LongJumpScope* base_;
DISALLOW_COPY_AND_ASSIGN(LongJumpScope);
};
} // namespace dart
#endif // RUNTIME_VM_LONGJUMP_H_