volmgt_running(3VOLMGTVolume Management Library Functiovolmgt_running(3VOLMGT)NAMEvolmgt_running - return whether or not Volume Management is running
SYNOPSIS
cc [ flag ... ] file ... -lvolmgt [ library ... ]
#include <volmgt.h>
int volmgt_running(void);
DESCRIPTIONvolmgt_running() tells whether or not Volume Management is running.
RETURN VALUES
A non-zero value is returned if Volume Management is running, else 0
is returned.
ERRORSvolmgt_running() will fail, returning 0, if a stat(2) or open(2) of
/dev/volctl fails, or if any of the following is true:
ENXIO Volume Management is not running.
EINTR An interrupt signal was detected while checking to see if Vol‐
ume Management was running.
EXAMPLES
Example 1 Using volmgt_running()
To see if Volume Management is running:
if (volmgt_running() != 0) {
(void) printf("Volume Management is running\n");
} else {
(void) printf("Volume Management is NOT running\n");
}
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOcc(1B), vold(1M), open(2), stat(2), volmgt_check(3VOLMGT), volmgt_inuse
(3VOLMGT), attributes(5), volfs(7FS)NOTES
Volume Management must be running for many of the Volume Management
library routines to work.
SunOS 5.10 31 Dec 1996 volmgt_running(3VOLMGT)