NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | EXAMPLES | ATTRIBUTES | SEE ALSO | NOTES
cc [ flag ... ] file ... -lvolmgt [ library ... ] #include <volmgt.h>int volmgt_running(void);
A non-zero value is returned if Volume Management is running, else 0 is returned.
volmgt_running() will fail, returning 0, if a stat(2) or open(2) of /dev/volctl fails, or if any of the following is true:
Volume Management is not running.
An interrupt signal was detected while checking to see if Volume Management was running.
if (volmgt_running() != 0) { (void) printf("Volume Management is running\n"); } else { (void) printf("Volume Management is NOT running\n"); }
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
MT-Level | MT-Safe |
cc(1B), vold(1M), open(2), stat(2), volmgt_check(3VOLMGT), volmgt_inuse (3VOLMGT), attributes(5), volfs(7FS)
Volume Management must be running for many of the Volume Management library routines to work.
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | EXAMPLES | ATTRIBUTES | SEE ALSO | NOTES