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Extended sg-API by sg_shutdown(), sg_dispose_drive(), sg_id_string()

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This commit is contained in:
Thomas Schmitt
2009-12-27 14:45:05 +00:00
parent 0320b7bf2a
commit d53c5db98e
10 changed files with 310 additions and 29 deletions
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42
libburn/sg-dummy.c
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@ -39,6 +39,22 @@ Present implementation: default dummy which enables libburn only to work
extern struct libdax_msgs *libdax_messenger;
/** Returns the id string of the SCSI transport adapter and eventually
needed operating system facilities.
This call is usable even if sg_initialize() was not called yet. In that
case a preliminary constant message might be issued if detailed info is
not available yet.
@param msg returns id string
@param flag unused yet, submit 0
@return 1 = success, <=0 = failure
*/
int sg_id_string(char msg[1024], int flag)
{
strcpy(msg, "internal X/Open adapter sg-dummy");
return 1;
}
/** Performs global initialization of the SCSI transport adapter and eventually
needed operating system facilities. Checks for compatibility supporting
software components.
@ -48,10 +64,34 @@ extern struct libdax_msgs *libdax_messenger;
*/
int sg_initialize(char msg[1024], int flag)
{
strcpy(msg, "internal X/Open adapter sg-dummy");
return sg_id_string(msg, 0);
}
/** Performs global finalization of the SCSI transport adapter and eventually
needed operating system facilities. Releases globally aquired resources.
@param flag unused yet, submit 0
@return 1 = success, <=0 = failure
*/
int sg_shutdown(int flag)
{
return 1;
}
/** Finalizes BURN_OS_TRANSPORT_DRIVE_ELEMENTS, the components of
struct burn_drive which are defined in os-*.h.
This will be called when a burn_drive gets disposed.
@param d the drive to be finalized
@param flag unused yet, submit 0
@return 1 = success, <=0 = failure
*/
int sg_dispose_drive(struct burn_drive *d, int flag)
{
return 1;
}
/** Returns the next index number and the next enumerated drive address.
The enumeration has to cover all available and accessible drives. It is
allowed to return addresses of drives which are not available but under