--- old/agent/src/os/win32/Reaper.hpp Fri Sep 9 14:17:24 2011 +++ /dev/null Fri Sep 9 14:17:03 2011 @@ -1,90 +0,0 @@ -/* - * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -#ifndef _REAPER_ -#define _REAPER_ - -#include -#include - -typedef void ReaperCB(void* userData); - -/** A Reaper maintains a thread which waits for child processes to - terminate; upon termination it calls a user-specified ReaperCB to - clean up resources associated with those child processes. */ - -class Reaper { -private: - Reaper& operator=(const Reaper&); - Reaper(const Reaper&); - -public: - Reaper(ReaperCB*); - ~Reaper(); - - // Start the reaper thread. - bool start(); - - // Stop the reaper thread. This is called automatically in the - // reaper's destructor. It is not thread safe and should be called - // by at most one thread at a time. - bool stop(); - - // Register a given child process with the reaper. This should be - // called by the application's main thread. When that process - // terminates, the cleanup callback will be called with the - // specified userData in the context of the reaper thread. Callbacks - // are guaranteed to be called serially, so they can safely refer to - // static data as well as the given user data. - void registerProcess(HANDLE processHandle, void* userData); - -private: - // For thread safety of register() - CRITICAL_SECTION crit; - - ReaperCB* cb; - - // State variables - volatile bool active; - volatile bool shouldShutDown; - - struct ProcessInfo { - HANDLE handle; - void* userData; - }; - - // Bookkeeping - std::vector procInfo; - - // Synchronization between application thread and reaper thread - HANDLE event; - - // Entry point for reaper thread - void reaperThread(); - - // Static function which is actual thread entry point - static DWORD WINAPI reaperThreadEntry(LPVOID data); -}; - -#endif // #defined _REAPER_