VOLMGT_CHECK(3VOLMGT) Volume Management Library Functions VOLMGT_CHECK(3VOLMGT)
volmgt_check - have Volume Management check for media
... ] file
#include <volmgt.h> int volmgt_check
This function is obsolete. The management of removable media by the
Volume Management feature, including vold
, has been replaced by software
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)
. The return value of this function is undefined.
This routine asks volume Management to check the specified pathname
determine if new media has been inserted in that drive.
If a null pointer is passed in, then Volume Management will check each
device it is managing that can be checked.
If new media is found, volmgt_check()
tells volume management to initiate
The return from this function is undefined.
This routine can fail, returning 0
, if a stat(2)
fails, or if any of the following is true: ENXIO
volume management is not running. EINTR
An interrupt signal was detected while checking for media.
Example 1: Checking If Any New Media Is Inserted
To check if any drive managed by volume management has any new media
inserted in it:
(void) printf("Volume management found media\n");
This would also request volume management to take whatever action was
appropriate for the new media.
for descriptions of the following attributes:
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|MT-Level | MT-Safe |
SEE ALSO volcheck(1)
for two different cases (both when no
media is found, and when an error occurs), it is up to the user to check errno
to differentiate the two, and to ensure that volume management is
March 8, 2007 VOLMGT_CHECK(3VOLMGT)