dpm_ping3
Check if disk pool manager is alive and return its version number
Usage
#include <sys/types.h>
#include "dpm_api.h"
int dpm_ping (char *server, char *info)
Overview
dpm_ping checks if the Disk Pool Manager is alive and returns its version number.
Options
- server
-
specifies the Disk Pool Manager hostname. If NULL, the DPM_HOST environment variable is used.
- info
-
points at a buffer to receive the information (currently the version number). The buffer must be at least 256 characters long.
Return value
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
Errors
EFAULT
|
info is a NULL pointer. |
|---|---|
SENOSHOST
|
Host unknown. |
SENOSSERV
|
Service unknown. |
SECOMERR
|
Communication error. |
EDPMNACT
|
Disk Pool Manager is not running or is being shutdown. |
Releases
Unchanged in 5 releases since Debian 6.0 (Squeeze).