errfatal.c

来自「fortran并行计算包」· C语言 代码 · 共 44 行

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
 *  (C) 2004 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */
#include <mpi.h>
#include <stdio.h>

static int verbose = 0;

int main(int argc, char** argv) {
	int MY_ERROR_CLASS;
	int MY_ERROR_CODE;
	char MY_ERROR_STRING[10];
	
	sprintf(MY_ERROR_STRING, "MY ERROR");
	
	MPI_Init(&argc, &argv);
	
	if (verbose) 
	    printf("Adding My Error Class\n");
	MPI_Add_error_class(&MY_ERROR_CLASS);
	if (verbose) 
	    printf("Adding My Error Code\n");
	MPI_Add_error_code(MY_ERROR_CLASS, &MY_ERROR_CODE);
	if (verbose)
	    printf("Adding My Error String\n");
	MPI_Add_error_string(MY_ERROR_CODE, MY_ERROR_STRING);

	if (verbose)
	    printf("Calling Error Handler\n");
	MPI_Comm_call_errhandler(MPI_COMM_WORLD, MY_ERROR_CODE);

	/* We should not get here, because the default error handler
	   is ERRORS_ARE_FATAL.  This makes sure that the correct error 
	   handler is called and that no failure occured (such as 
	   a SEGV) in Comm_call_errhandler on the default 
	   error handler. */
	printf("After the Error Handler Has Been Called\n");

	MPI_Finalize();
	return 0;
}