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pvm_addhosts(1) Scilab function pvm_addhosts(1)
NAME
pvm_addhosts - add hosts to the virtual machine.
CALLING SEQUENCE
[infos] = pvm_addhosts(hosts)
PARAMETERS
hosts
: row of strings, naming the hosts to be added.
infos
: row of integer, corresponding to the status for each host.
DESCRIPTION
pvm_addhosts adds the computers named in hosts to the configuration of com-
puters making up the virtual machine. The names should have the same syn-
tax as lines of a pvmd hostfile (see man page for pvmd3): A hostname fol-
lowed by options of the form xx=y.
The array infos can be checked to determine the status for each host.
Values less than zero indicate an error, while positive values are TIDs of
the new hosts.
The status of hosts can be requested by the application using
pvm_config. If a host fails it will be automatically deleted from the
configuration. Using pvm_addhosts a replacement host can be added by the
application, however it is the responsibility of the application developer
to make his application tolerant of host failure. Another use of this
feature would be to add more hosts as they become available, for example on
a weekend, or if the application dynamically determines it could use more
computational power.
EXAMPLE
info = pvm_addhosts(["isostar","loop"])
SEE ALSO
pvm_delhosts, pvm_config
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