11-01-2012
hmm, that one it is just returning 0.
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LEARN ABOUT DEBIAN
pvm_config
CONFIG(3PVM) PVM Version 3.4 CONFIG(3PVM)
NAME
pvm_config - Returns information about the present virtual machine configuration.
SYNOPSIS
C int info = pvm_config( int *nhost, int *narch, struct pvmhostinfo **hostp )
struct pvmhostinfo {
int hi_tid;
char *hi_name;
char *hi_arch;
int hi_speed;
};
Fortran call pvmfconfig( nhost, narch, dtid, name, arch, speed, info )
PARAMETERS
nhost Integer returning the number of hosts (pvmds) in the virtual machine.
narch Integer returning the number of different data formats being used.
hostp Returns pointer to an array of structures which contain information about each host including its pvmd task ID, name, architecture,
and relative speed.
dtid Integer returning pvmd task ID for host
name Character string returning name of host
arch Character string returning architecture name of host
speed Integer returning relative speed of host. Default value is 1000.
info Integer status code returned by the routine. Values less than zero indicate an error.
DESCRIPTION
The routine pvm_config returns information about the present virtual machine. The information returned is similar to that available from
the console command conf.
The C function returns information about the entire virtual machine in one call. The Fortran function returns information about one host
per call and cycles through all the hosts. Thus, if pvmfconfig is called nhost times, the entire virtual machine will be represented.
Note that in C the hostp array is allocated and owned by libpvm. It is automatically freed or reused on the next call to pvm_config.
Note that in Fortran the reported value of nhost and the host configuration do not change until the function resets at the end of a com-
plete cycle. The user can reset pvmfconfig() at any time by calling it with nhost = -1.
If pvm_config is successful, info will be 0. If some error occurs then info will be < 0.
EXAMPLES
C:
struct pvmhostinfo *hostp;
int i, nhost, narch;
info = pvm_config( &nhost, &narch, &hostp );
for (i = 0; i < nhost; i++)
printf("%s
", hostp[i].hi_name);
Fortran:
Do i=1, NHOST
CALL PVMFCONFIG( NHOST,NARCH,DTID(i),HOST(i),ARCH(i),SPEED(i),INFO )
Enddo
ERRORS
The following error condition can be returned by pvm_config
PvmSysErr
pvmd not responding.
SEE ALSO
pvm_tasks(3PVM)
31 August, 1994 CONFIG(3PVM)