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tjf.c
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C/C++ Source or Header
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1997-07-22
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3KB
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90 lines
static char rcsid[] =
"$Id: tjf.c,v 1.2 1997/07/09 13:28:03 pvmsrc Exp $";
/*
* PVM version 3.4: Parallel Virtual Machine System
* University of Tennessee, Knoxville TN.
* Oak Ridge National Laboratory, Oak Ridge TN.
* Emory University, Atlanta GA.
* Authors: J. J. Dongarra, G. E. Fagg, M. Fischer
* G. A. Geist, J. A. Kohl, R. J. Manchek, P. Mucci,
* P. M. Papadopoulos, S. L. Scott, and V. S. Sunderam
* (C) 1997 All Rights Reserved
*
* NOTICE
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted
* provided that the above copyright notice appear in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation.
*
* Neither the Institutions (Emory University, Oak Ridge National
* Laboratory, and University of Tennessee) nor the Authors make any
* representations about the suitability of this software for any
* purpose. This software is provided ``as is'' without express or
* implied warranty.
*
* PVM version 3 was funded in part by the U.S. Department of Energy,
* the National Science Foundation and the State of Tennessee.
*/
/*
test join fail, cause join to fail
*/
#include <stdio.h>
#include "pvm3.h"
#define MAXGNAME 32 /* used to be a constant, length not important */
#define MAXGTIDS 32 /* used to be a constant, Number not important */
#define MAXNGROUPS 32 /* used to be constant, Number not important */
int
main(argc, argv)
int argc;
char *argv[];
{
int mytid, ctid[MAXGTIDS];
char g[MAXGNAME];
int cc;
int gid[MAXGTIDS], gs;
int i;
mytid = pvm_mytid();
if (mytid < 0) {
pvm_perror("th");
return -1;
}
/* join one too many groups */
for (i = 0; i < MAXNGROUPS+1; i++) {
sprintf(g, "group%d", i);
if((gid[i] = pvm_joingroup(g)) < 0) {
pvm_perror("joining");
}
fprintf(stderr, "joined %s\n", g);
}
/* test that i'm in the groups */
for (i = MAXNGROUPS-1; i >= 0; i--) {
sprintf(g, "group%d", i);
if(gid[i] != (cc = pvm_getinst(g, mytid))) {
fprintf(stderr, "I'm not myself %d %s\n", cc, g);
pvm_perror("getinst");
}
if(mytid != (cc = pvm_gettid(g, gid[i]))) {
fprintf(stderr, "I'm not myself %d %s\n", cc, g);
pvm_perror("gettid");
}
}
for (i = 0; i < MAXNGROUPS; i++) {
sprintf(g, "group%d", i);
if(pvm_lvgroup(g) < 0)
pvm_perror("pvm_lvgroup");
}
pvm_exit();
}