VOLMGT_RUNNING(3VOLMGT)VOLMGT_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);
DESCRIPTION
This function is obsolete. The management of removable media by the
Volume Management feature, including vold, has been replaced by soft‐
ware that supports the Hardware Abstraction Layer (HAL). Programmatic
support for HAL is through the HAL APIs, which are documented on the
HAL web site. See hal(5).
volmgt_running() tells whether or not Volume Management is running.
RETURN VALUESvolmgt_running() always returns 0 indicating Volume Management (as
implemented by vold) is not running.
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 │
├────────────────────┼─────────────────┤
│Interface Stability │ Obsolete │
└────────────────────┴─────────────────┘
SEE ALSOopen(2), stat(2), volmgt_check(3VOLMGT), volmgt_inuse(3VOLMGT),
attributes(5), hal(5)NOTES
Volume Management must be running for many of the Volume Management
library routines to work.
Mar 8, 2007 VOLMGT_RUNNING(3VOLMGT)