| // Copyright 2023 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_DEVELOPER_DEBUG_DEBUG_AGENT_LINUX_TASK_OBSERVER_H_ |
| #define SRC_DEVELOPER_DEBUG_DEBUG_AGENT_LINUX_TASK_OBSERVER_H_ |
| |
| #include <signal.h> |
| |
| #include <memory> |
| |
| namespace debug_agent { |
| |
| class LinuxExceptionHandle; |
| |
| // These callbacks correspond to the results of waitpid(). See that man page for more. |
| class LinuxTaskObserver { |
| public: |
| // The "exit" message means a thread is exiting. On LInux, since threads and processes are |
| // basically the same thing, this also indicates process exit when it's the main thread. |
| virtual void OnExited(LinuxTask* task, std::unique_ptr<LinuxExceptionHandle> exception) = 0; |
| |
| // Indicates a fork. The exception handle will refer to the *new* process. |
| virtual void OnProcessStarting(std::unique_ptr<LinuxExceptionHandle> exception) = 0; |
| |
| virtual void OnThreadStarting(std::unique_ptr<LinuxExceptionHandle> exception) = 0; |
| |
| virtual void OnTermSignal(int pid, int signal_number) = 0; |
| virtual void OnStopSignal(LinuxTask* task, std::unique_ptr<LinuxExceptionHandle> exception) = 0; |
| virtual void OnContinued(int pid) = 0; |
| }; |
| |
| } // namespace debug_agent |
| |
| #endif // SRC_DEVELOPER_DEBUG_DEBUG_AGENT_LINUX_TASK_OBSERVER_H_ |