Teuchos - Trilinos Tools Package Version of the Day
Teuchos_ErrorPolling.cpp
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00004 //                    Teuchos: Common Tools Package
00005 //                 Copyright (2004) Sandia Corporation
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00041 
00042 // Make deprecated warnings go away for compling this source file.   All of this
00043 // code is deprecated so there is little point in flagging it as such!
00044 #define TEUCHOS_DEPRECATED
00045 
00046 #include "Teuchos_ErrorPolling.hpp"
00047 #include "Teuchos_MPIComm.hpp"
00048 
00049 namespace Teuchos
00050 {
00051   void ErrorPolling::reportFailure(const MPIComm& comm)
00052   {
00053     if (isActive())
00054       {
00055         int myBad = 1;
00056         int anyBad = 0;
00057         comm.allReduce((void*) &myBad, (void*) &anyBad, 1, MPIComm::INT,
00058                        MPIComm::SUM);
00059       }
00060   }
00061 
00062   bool ErrorPolling::pollForFailures(const MPIComm& comm)
00063   {
00064     /* bypass if inactive */
00065     if (!isActive()) return true;
00066 
00067     int myBad = 0;
00068     int anyBad = 0;
00069     try
00070       {
00071         comm.allReduce((void*) &myBad, (void*) &anyBad, 1, MPIComm::INT,
00072                        MPIComm::SUM);
00073       }
00074     catch(const std::exception&)
00075       {
00076         return true;
00077       }
00078     return anyBad > 0;
00079   }
00080 }
00081 
00082 
00083 
00084   
00085 
00086 
00087 
00088 
00089 
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