mstat(3)
NAME
pvm_mstat - Returns the status of a host in the virtual machine.
SYNOPSIS
C int mstat = pvm_mstat( char *host ) Fortran call pvmfmstat( host, mstat )
PARAMETERS
host Character string containing the host name.
- mstat Integer returning machine status:
- value MEANING
PvmOk host is OK
PvmNoHost host is not in virtual machine
PvmHostFail host is unreachable (and thus possibly failed)
DESCRIPTION
The routine pvm_mstat returns the status mstat of the computer named
host with respect to running PVM processes. This routine can be used to
determine if a particular host has failed and if the virtual machine
needs to be reconfigured. The function pvm_notify() can also be used to
notify the caller that a host has failed.
EXAMPLES
- C:
- mstat = pvm_mstat( "msr.ornl.gov" );
- Fortran:
- CALL PVMFMSTAT( 'msr.ornl.gov', MSTAT )
ERRORS
These error conditions can be returned by pvm_mstat
- PvmSysErr
- pvmd not responding.
- PvmNoHost
- giving a host name not in the virtual machine.
- PvmHostFail
- host is unreachable (and thus possibly failed).