llvm/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld.h

//===-- sanitizer_stoptheworld.h --------------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Defines the StopTheWorld function which suspends the execution of the current
// process and runs the user-supplied callback in the same address space.
//
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_STOPTHEWORLD_H
#define SANITIZER_STOPTHEWORLD_H

#include "sanitizer_internal_defs.h"
#include "sanitizer_common.h"

namespace __sanitizer {

enum PtraceRegistersStatus { … };

// Holds the list of suspended threads and provides an interface to dump their
// register contexts.
class SuspendedThreadsList { … };

StopTheWorldCallback;

// Suspend all threads in the current process and run the callback on the list
// of suspended threads. This function will resume the threads before returning.
// The callback should not call any libc functions. The callback must not call
// exit() nor _exit() and instead return to the caller.
// This function should NOT be called from multiple threads simultaneously.
void StopTheWorld(StopTheWorldCallback callback, void *argument);

}  // namespace __sanitizer

#endif  // SANITIZER_STOPTHEWORLD_H