Scyld ClusterWare HPC: Reference Guide
<< Previous		Next >>

bproc_masteraddr

Name

bproc_masteraddr -- Get the beowulf internal IP for the master node.

Synopsis

#include <sys/bproc.h>

int bproc_masteraddr (struct sockaddr * addr, int * size);

Arguments

addr: pointer to a struct sockaddr
size: The size of addr

Description

Save the master node's IP address in the struct sockaddr pointed to by addr. size should be initialized to indicate the amount of space pointed to by addr. On return it contains the actual size of the addr returned (in bytes).

Return Value

Returns 0 on success.

Returns -1 on error, and sets errno.

Errors

EFAULT: addr or size points to memory that is not accessible by the program.
EIO: There was an I/O error.
ENOMEM: Out of memory error.

<< Previous	Home	Next >>
bproc_getnodebyname	Up	bproc_move