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103 lines
2.0 KiB
103 lines
2.0 KiB
#ifndef SRC_NODE_WATCHDOG_H_
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#define SRC_NODE_WATCHDOG_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include "v8.h"
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#include "uv.h"
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#include "node_mutex.h"
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#include <vector>
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#ifdef __POSIX__
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#include <pthread.h>
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#endif
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namespace node {
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class Watchdog {
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public:
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explicit Watchdog(v8::Isolate* isolate, uint64_t ms);
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~Watchdog();
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void Dispose();
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v8::Isolate* isolate() { return isolate_; }
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bool HasTimedOut() { return timed_out_; }
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private:
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void Destroy();
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static void Run(void* arg);
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static void Async(uv_async_t* async);
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static void Timer(uv_timer_t* timer);
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v8::Isolate* isolate_;
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uv_thread_t thread_;
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uv_loop_t* loop_;
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uv_async_t async_;
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uv_timer_t timer_;
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bool timed_out_;
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bool destroyed_;
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};
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class SigintWatchdog {
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public:
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explicit SigintWatchdog(v8::Isolate* isolate);
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~SigintWatchdog();
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void Dispose();
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v8::Isolate* isolate() { return isolate_; }
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bool HasReceivedSignal() { return received_signal_; }
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void HandleSigint();
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private:
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void Destroy();
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v8::Isolate* isolate_;
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bool received_signal_;
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bool destroyed_;
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};
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class SigintWatchdogHelper {
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public:
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static SigintWatchdogHelper* GetInstance() { return &instance; }
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void Register(SigintWatchdog* watchdog);
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void Unregister(SigintWatchdog* watchdog);
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bool HasPendingSignal();
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int Start();
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bool Stop();
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private:
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SigintWatchdogHelper();
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~SigintWatchdogHelper();
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static bool InformWatchdogsAboutSignal();
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static SigintWatchdogHelper instance;
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int start_stop_count_;
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Mutex mutex_;
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Mutex list_mutex_;
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std::vector<SigintWatchdog*> watchdogs_;
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bool has_pending_signal_;
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#ifdef __POSIX__
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pthread_t thread_;
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uv_sem_t sem_;
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bool has_running_thread_;
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bool stopping_;
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static void* RunSigintWatchdog(void* arg);
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static void HandleSignal(int signum);
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#else
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bool watchdog_disabled_;
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static BOOL WINAPI WinCtrlCHandlerRoutine(DWORD dwCtrlType);
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#endif
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};
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_NODE_WATCHDOG_H_
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