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00001 #ifndef BLOCXX_WAITPID_THREAD_FIX_HPP_20060418 00002 #define BLOCXX_WAITPID_THREAD_FIX_HPP_20060418 00003 00004 /******************************************************************************* 00005 * Copyright (C) 2005, Quest Software, Inc. All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright notice, 00011 * this list of conditions and the following disclaimer. 00012 * * Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in the 00014 * documentation and/or other materials provided with the distribution. 00015 * * Neither the name of Quest Software, Inc., nor the 00016 * names of its contributors or employees may be used to endorse or promote 00017 * products derived from this software without specific prior written 00018 * permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00037 #include "Types.hpp" 00038 #include "CommonFwd.hpp" 00039 #include "ThreadTypes.hpp" 00040 #include "blocxx/Process.hpp" 00041 00042 namespace BLOCXX_NAMESPACE 00043 { 00044 00045 /******************************************************************************* 00046 * Older linux threading libraries do not allow one thread to wait on the 00047 * children of another thread. This class is used by Exec and Process to work 00048 * around that limitation by having all calls to fork() and waitpid() done 00049 * by the same thread when BLOCXX_WAITPID_THREADING_PROBLEM is defined. 00050 *******************************************************************************/ 00051 namespace WaitpidThreadFix 00052 { 00053 00060 BLOCXX_COMMON_API bool setWaitpidThreadFixEnabled(bool enabled); 00061 00062 /******************************************************************************* 00063 * Exec::spawn & Process::pollStatus will call this function 00064 * to determine if WaitpidThreadFix should be used. 00065 *******************************************************************************/ 00066 BLOCXX_COMMON_API bool shouldUseWaitpidThreadFix(); 00067 00068 BLOCXX_COMMON_API ProcessRef spawnProcess( 00069 char const * exec_path, 00070 char const * const argv[], 00071 char const * const envp[], 00072 Exec::PreExec & pre_exec 00073 ); 00074 00075 BLOCXX_COMMON_API Process::Status waitPid(const ProcId& pid); 00076 00077 } // end namespace WaitpidThreadFix 00078 00079 00080 } // namespace BLOCXX_NAMESPACE 00081 00082 #endif // BLOCXX_WAITPID_THREAD_FIX_HPP_20060418 00083