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56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
/**************************************************************************/
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/* File: mpi_interface.cpp */
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/* Author: Joachim Schoeberl */
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/* Date: 04. Apr. 97 */
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/**************************************************************************/
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#include <mystdlib.h>
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#include <myadt.hpp>
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namespace netgen
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{
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#ifdef PARALLEL
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void MyMPI_SendCmd (const char * cmd)
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{
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char buf[100];
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strcpy (buf, cmd);
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// MPI_Bcast (&buf, 100, MPI_CHAR, 0, MPI_COMM_WORLD);
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for (int dest = 1; dest < ntasks; dest++)
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MPI_Bsend( &buf, 100, MPI_CHAR, dest, MPI_TAG_CMD, MPI_COMM_WORLD);
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}
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string MyMPI_RecvCmd ()
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{
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char buf[100];
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// MPI_Bcast (&buf, 100, MPI_CHAR, 0, MPI_COMM_WORLD);
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// VT_OFF();
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MPI_Status status;
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int flag;
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do
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{
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MPI_Iprobe (0, MPI_TAG_CMD, MPI_COMM_WORLD, &flag, &status);
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if (!flag)
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{
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VT_TRACER ("sleep");
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usleep (1000);
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}
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}
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while (!flag);
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// VT_ON();
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MPI_Recv( &buf, 100, MPI_CHAR, 0, MPI_TAG_CMD, MPI_COMM_WORLD, &status);
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return string(buf);
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}
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#endif
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}
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