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Man Pages


Manual Reference Pages  -  PVM_GETINST (3)

NAME

pvm_getinst - Returns the instance number in a group of a PVM process.

CONTENTS

Synopsis
Parameters
Description
Examples
Errors
See Also

SYNOPSIS


C       int inum = pvm_getinst( char *group, int tid )

Fortran call pvmfgetinst( group, tid, inum )

PARAMETERS

group Character string group name of an existing group.
tid Integer task identifier of a PVM process.
inum Integer instance number returned by the routine. Instance numbers start at 0 and count up. Values less than zero indicate an error.

DESCRIPTION

The routine pvm_getinst takes a group name group and a PVM task identifier tid and returns the unique instance number that corresponds to the input. It can be called by any task whether in the group or not. If pvm_getinst is successful, inum will be >= 0. If some error occurs then inum will be < 0.

EXAMPLES

C:
        inum = pvm_getinst( "worker", pvm_mytid() );
        --------
        inum = pvm_getinst( "worker", tid[i] );

Fortran:         CALL PVMFGETINST( ’GROUP3’, TID, INUM )

ERRORS

These error conditions can be returned by pvm_getinst
PvmSysErr pvmd was not started or has crashed.
PvmBadParam giving an invalid tid value.
PvmNoGroup giving a non-existent group name.
PvmNotInGroup specifying a group in which the tid is not a member.

SEE ALSO

pvm_joingroup(3PVM), pvm_gettid(3PVM)
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GETINST (3PVM) 30 August, 1993

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