NAME
pvm_reg_rm - Register task as PVM resource manager.
SYNOPSIS
C #include <pvmsdpro.h>
int cc = pvm_reg_rm( struct pvmhostinfo **hip ) struct pvmhostinfo {
int hi_tid;
char *hi_name;
char *hi_arch;
int hi_speed;
};
Fortran Not Available
hostp
Returns pointer to a pvmhostinfo structure which contains information about the master host.
Registers the calling task as a PVM task and slave host manager. This means it intercepts certain libpvm calls from other tasks in order to have a say in scheduling policy. The resource manager will asynchronously receive messages from tasks containing requests for service, as well as messages from pvmds notifying it of system failures.
Before you start using this function, be warned that it's not a trivial thing, i.e. you can't just call it to turn off the default round-robin task assignment. Rather, it allows you to write your own resource manager and hook it to PVM.
To understand what the following messages mean, you should refer to the PVM source code and/or user guide section on implementation; There's just too much to say about them.
When one of the following libpvm functions is called in a task with resource manager set, the given message tag is sent to to resource manager.
Libpvm call RM message Normal message pvm_addhosts() SM_ADDHOST TM_ADDHOST pvm_config() SM_CONFIG TM_CONFIG pvm_delhosts() SM_DELHOST TM_DELHOST pvm_notify() SM_NOTIFY TM_NOTIFY pvm_spawn() SM_SPAWN TM_SPAWN pvm_tasks() SM_TASK TM_TASK pvm_reg_rm() SM_SCHED TM_SCHEDThe resource manager must in turn compose the following messages and send them to the pvmds:
pvm_reg_rm() returns PvmOk when successful. pvm_spawn(3PVM), pvm_tasks(3PVM)