Got rid of assert() in drive.c by soft means
This commit is contained in:
parent
91f2a231f3
commit
ff0be0eeae
@ -1 +1 @@
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#define Cdrskin_timestamP "2006.10.05.142628"
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#define Cdrskin_timestamP "2006.10.07.121234"
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@ -87,16 +87,18 @@ ts A61006
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---------------------------------------------------------------------
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6) libburn/drive.c: assert(d->busy == BURN_DRIVE_IDLE);
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++ 6) libburn/drive.c: assert(d->busy == BURN_DRIVE_IDLE);
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API burn_drive_release():
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A drive is not idle on release.
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: Severe Application Error
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=> Same as 4)
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ts A61007
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------------------------------------------------------------------------------
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7) libburn/drive.c: assert(d->released);
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++ 7) libburn/drive.c: assert(d->released);
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burn_wait_all()
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A drive is found grabbed.
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@ -104,12 +106,16 @@ Called by burn_drive_scan_sync(), thread under API burn_drive_scan()
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Called by API burn_finish
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: Severe Application Error
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=> rename and redefine burn_wait_all() : now burn_drives_are_clear()
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=> change all use of burn_wait_all()
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=> Move tests up to burn_drive_scan()
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=> There: return -1; redefine @return in API , issue LIBDAX_MSGS_SEV_SORRY
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=> There: return -1; issue LIBDAX_MSGS_SEV_SORRY
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ts A61007
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------------------------------------------------------------------------------
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8) libburn/drive.c: assert(!d->released);
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++ 8) libburn/drive.c: assert(!d->released);
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API burn_disc_get_status()
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Attempt to read status of non-grabbed drive.
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@ -117,20 +123,24 @@ Attempt to read status of non-grabbed drive.
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=> extend enum burn_disc_status by BURN_DISC_UNGRABBED
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=> return BURN_DISC_UNGRABBED, issue LIBDAX_MSGS_SEV_SORRY
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ts A61007
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------------------------------------------------------------------------------
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9) libburn/drive.c: assert( /* (write_type >= BURN_WRITE_PACKET) && */
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++ 9) libburn/drive.c: assert( /* (write_type >= BURN_WRITE_PACKET) && */
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burn_drive_get_block_types():
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Will not work on BURN_WRITE_RAW.
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Will not work on BURN_WRITE below BURN_WRITE_RAW.
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Called by -nobody- ?
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: Severe Application Error
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=> inactivate unused function
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ts A61007
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------------------------------------------------------------------------------
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10) libburn/drive.c: assert(d->idata);
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++ 10) libburn/drive.c: assert(d->idata);
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libburn/drive.c: assert(d->mdata);
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static drive_getcaps():
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sg.c:enumerate_common() did not succeed in creating a proper struct burn_drive
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@ -139,11 +149,14 @@ Called by burn_drive_scan_sync()
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: Severe System Error
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=> This could possibly really stay an abort() because the reason is
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a plain failure of the system's memory management.
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=> ? Detect this failure already in enumerate_common() ?
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=> Detect this failure already in enumerate_common(),
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issue LIBDAX_MSGS_SEV_FATAL, return
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ts A61007
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------------------------------------------------------------------------------
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11) libburn/drive.c: assert(burn_running);
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++ 11) libburn/drive.c: assert(burn_running);
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burn_drive_scan_sync():
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The library was not initialized.
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@ -151,20 +164,24 @@ Called as thread by API burn_drive_scan()
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: Severe Application Error
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=> Move this test up to burn_drive_scan()
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=> There: return -1; redefine @return in API , issue LIBDAX_MSGS_SEV_SORRY
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=> There: return -1; redefine @return in API , issue LIBDAX_MSGS_SEV_FATAL
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ts A61007
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------------------------------------------------------------------------------
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12) libburn/drive.c: assert(d->released == 1);
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++ 12) libburn/drive.c: assert(d->released == 1);
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burn_drive_scan_sync():
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Inactivated
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: (Severe Application Error)
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=> Same as 7)
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=> throw out inactivated code
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ts A61007
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------------------------------------------------------------------------------
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13) libburn/drive.c: assert(strlen(d->devname) < BURN_DRIVE_ADR_LEN);
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++ 13) libburn/drive.c: assert(strlen(d->devname) < BURN_DRIVE_ADR_LEN);
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burn_drive_raw_get_adr():
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An enumerated device address is longer than the API's maximum length
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@ -172,18 +189,21 @@ Called by API burn_drive_get_adr()
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Called by API burn_drive_obtain_scsi_adr()
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: Severe Libburn Error
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=> return -1; in all three functions, enhance API @return docs
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=> return -1; in all three functions, enhance burn_drive_get_adr @return docs
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=> issue LIBDAX_MSGS_SEV_SORRY
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ts A61007
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------------------------------------------------------------------------------
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14) libburn/drive.c: assert(drive_info->drive!=NULL);
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++ 14) libburn/drive.c: assert(drive_info->drive!=NULL);
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API burn_drive_get_adr():
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Drive info has no drive attached.
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: Severe Libburn Error
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=> return -1; enhance API @return docs
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=> issue LIBDAX_MSGS_SEV_SORRY
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: Severe Libburn Error (unlikely, will eventually SIGSEGV on NULL)
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=> delete assert
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ts A61007
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------------------------------------------------------------------------------
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@ -6,6 +6,7 @@
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#include "write.h"
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#include "options.h"
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#include "async.h"
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#include "init.h"
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#include <pthread.h>
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#include <stdlib.h>
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@ -126,21 +127,41 @@ int burn_drive_scan(struct burn_drive_info *drives[], unsigned int *n_drives)
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struct scan_opts o;
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int ret = 0;
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/* ts A61006 : moved up from burn_drive_scan_sync , former assert */
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if (!burn_running) {
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libdax_msgs_submit(libdax_messenger, -1, 0x00020109,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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"Library not running", 0, 0);
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*drives = NULL;
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*n_drives = 0;
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return -1;
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}
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/* cant be anything working! */
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/* ts A61006 */
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/* a ssert(!(workers && workers->drive)); */
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if (workers != NULL && workers->drive != NULL) {
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libdax_msgs_submit(libdax_messenger,
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workers->drive->global_index, 0x00020102,
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drive_is_active:;
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libdax_msgs_submit(libdax_messenger, -1, 0x00020102,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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"A drive operation is still going on (want to scan)",
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0, 0);
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*drives = NULL;
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*n_drives = 0;
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return -1;
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}
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if (!workers) {
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/* start it */
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/* ts A61007 : test moved up from burn_drive_scan_sync()
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was burn_wait_all() */
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if (!burn_drives_are_clear())
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goto drive_is_active;
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*drives = NULL;
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*n_drives = 0;
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o.drives = drives;
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o.n_drives = n_drives;
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o.done = 0;
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@ -152,12 +173,13 @@ int burn_drive_scan(struct burn_drive_info *drives[], unsigned int *n_drives)
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/* ts A61006 */
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/* a ssert(workers == NULL); */
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if (workers != NULL)
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if (workers != NULL) {
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libdax_msgs_submit(libdax_messenger, -1, 0x00020101,
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LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
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"After scan a drive operation is still going on",
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0, 0);
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return -1;
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}
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} else {
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/* still going */
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123
libburn/drive.c
123
libburn/drive.c
@ -5,7 +5,10 @@
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#include <malloc.h>
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#include <unistd.h>
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#include <signal.h>
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#include <assert.h>
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/* ts A61007 */
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/* #include <a ssert.h> */
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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@ -261,11 +264,26 @@ int burn_drive_unregister(struct burn_drive *d)
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void burn_drive_release(struct burn_drive *d, int le)
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{
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if (d->released)
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burn_print(1, "second release on drive!\n");
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if (d->released) {
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/* ts A61007 */
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/* burn_print(1, "second release on drive!\n"); */
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libdax_msgs_submit(libdax_messenger,
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d->global_index, 0x00020105,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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"Drive is already released", 0, 0);
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return;
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}
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/* ts A61007 */
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/* ts A60906: one should not assume BURN_DRIVE_IDLE == 0 */
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assert(d->busy == BURN_DRIVE_IDLE);
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/* a ssert(d->busy == BURN_DRIVE_IDLE); */
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if (d->busy != BURN_DRIVE_IDLE) {
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libdax_msgs_submit(libdax_messenger,
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d->global_index, 0x00020106,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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"Drive is busy on attempt to close", 0, 0);
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return;
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}
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d->unlock(d);
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if (le)
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@ -285,6 +303,26 @@ void burn_drive_release(struct burn_drive *d, int le)
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}
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}
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/* ts A61007 : former void burn_wait_all() */
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int burn_drives_are_clear(void)
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{
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int i;
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for (i = burn_drive_count() - 1; i >= 0; --i) {
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/* ts A60904 : ticket 62, contribution by elmom */
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if (drive_array[i].global_index == -1)
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continue;
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if (drive_array[i].released)
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continue;
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return 0;
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}
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return 1;
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}
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#if 0
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void burn_wait_all(void)
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{
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unsigned int i;
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@ -306,6 +344,8 @@ void burn_wait_all(void)
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sleep(1);
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}
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}
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#endif
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void burn_disc_erase_sync(struct burn_drive *d, int fast)
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{
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@ -346,7 +386,17 @@ void burn_disc_erase_sync(struct burn_drive *d, int fast)
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enum burn_disc_status burn_disc_get_status(struct burn_drive *d)
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{
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assert(!d->released);
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/* ts A61007 */
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/* a ssert(!d->released); */
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if (d->released) {
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libdax_msgs_submit(libdax_messenger,
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d->global_index, 0x00020108,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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"Drive is not grabbed on disc status inquiry",
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0, 0);
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return BURN_DISC_UNGRABBED;
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}
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return d->status;
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}
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@ -371,7 +421,8 @@ void burn_drive_cancel(struct burn_drive *d)
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pthread_mutex_unlock(&d->access_lock);
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}
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#ifdef NIX
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/* ts A61007 : defunct because unused */
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#if 0
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int burn_drive_get_block_types(struct burn_drive *d,
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enum burn_write_types write_type)
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{
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@ -407,8 +458,12 @@ static int drive_getcaps(struct burn_drive *d, struct burn_drive_info *out)
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{
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struct scsi_inquiry_data *id;
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/* ts A61007 : now prevented in enumerate_common() */
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#if 0
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a ssert(d->idata);
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a ssert(d->mdata);
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#endif
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if (!d->idata->valid || !d->mdata->valid)
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return 0;
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@ -454,27 +509,21 @@ int burn_drive_scan_sync(struct burn_drive_info *drives[],
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static int scanning = 0, scanned = 0, found = 0;
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static unsigned num_scanned = 0, count = 0;
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unsigned int i;
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#ifdef Libburn_ticket_62_enable_redundant_asserT
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struct burn_drive *d;
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#endif
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assert(burn_running);
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/* ts A61007 : moved up to burn_drive_scan() */
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/* a ssert(burn_running); */
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if (!scanning) {
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scanning = 1;
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/* ts A61007 : test moved up to burn_drive_scan()
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burn_wait_all() is obsoleted */
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#if 0
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/* make sure the drives aren't in use */
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burn_wait_all(); /* make sure the queue cleans up
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before checking for the released
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state */
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/* ts A60904 : ticket 62, contribution by elmom */
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/* this is redundant with what is done in burn_wait_all() */
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#ifdef Libburn_ticket_62_enable_redundant_asserT
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d = drive_array;
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count = burn_drive_count();
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for (i = 0; i < count; ++i, ++d)
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assert(d->released == 1);
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#endif /* Libburn_ticket_62_enable_redundant_asserT */
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#endif /* 0 */
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/* refresh the lib's drives */
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sg_enumerate();
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@ -520,7 +569,7 @@ void burn_drive_info_free(struct burn_drive_info drive_infos[])
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burn_drive_info is not the manager of burn_drive but only its
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spokesperson. To my knowlege drive_infos from burn_drive_scan()
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are not memorized globally. */
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if(drive_infos != NULL) /* and this NULL test is deadly necessary */
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if(drive_infos != NULL)
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free((void *) drive_infos);
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burn_drive_free_all();
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@ -650,27 +699,20 @@ int burn_drive_scan_and_grab(struct burn_drive_info *drive_infos[], char* adr,
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fprintf(stderr,"libburn: experimental: burn_drive_scan_and_grab(%s)\n",
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adr);
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*/
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while (!burn_drive_scan(drive_infos, &n_drives))
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while (1) {
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ret = burn_drive_scan(drive_infos, &n_drives);
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if (ret < 0)
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return -1;
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if (ret > 0)
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break;
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usleep(1002);
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}
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if (n_drives <= 0)
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return 0;
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/*
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fprintf(stderr, "libburn: experimental: n_drives == %d\n",n_drives);
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*/
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/* ts A60908 : seems we get rid of this :) */
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#ifdef Libburn_grab_release_and_grab_agaiN
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if (load) {
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/* RIP-14.5 + LITE-ON 48125S produce a false status
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if tray was unloaded */
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/* Therefore the first grab is just for loading */
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ret= burn_drive_grab(drive_infos[0]->drive, 1);
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if (ret != 1)
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return -1;
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burn_drive_release(drive_infos[0]->drive,0);
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}
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#endif /* Libburn_grab_release_and_grab_agaiN */
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ret = burn_drive_grab(drive_infos[0]->drive, load);
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if (ret != 1)
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return -1;
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@ -704,7 +746,13 @@ int burn_drive_adr_debug_msg(char *fmt, char *arg)
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/** Inquire the persistent address of the given drive. */
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int burn_drive_raw_get_adr(struct burn_drive *d, char adr[])
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{
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assert(strlen(d->devname) < BURN_DRIVE_ADR_LEN);
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if (strlen(d->devname) >= BURN_DRIVE_ADR_LEN) {
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x00020110,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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"Persistent drive address too long", 0, 0);
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return -1;
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}
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strcpy(adr,d->devname);
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return 1;
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}
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@ -715,7 +763,6 @@ int burn_drive_get_adr(struct burn_drive_info *drive_info, char adr[])
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{
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int ret;
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assert(drive_info->drive!=NULL);
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ret = burn_drive_raw_get_adr(drive_info->drive, adr);
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return ret;
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}
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@ -818,7 +865,9 @@ int burn_drive_obtain_scsi_adr(char *path,
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if (drive_array[i].global_index < 0)
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continue;
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ret = burn_drive_raw_get_adr(&(drive_array[i]),adr);
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if (ret <= 0)
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if (ret < 0)
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return -1;
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if (ret == 0)
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continue;
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if (strcmp(adr, path) == 0) {
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*host_no = drive_array[i].host;
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@ -38,7 +38,11 @@ struct burn_drive *burn_drive_register(struct burn_drive *);
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int burn_drive_unregister(struct burn_drive *d);
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unsigned int burn_drive_count(void);
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void burn_wait_all(void);
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/* ts A61007 */
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/* void burn_wait_all(void); */
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int burn_drives_are_clear(void);
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int burn_sector_length_write(struct burn_drive *d);
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int burn_track_control(struct burn_drive *d, int);
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void burn_write_empty_sector(int fd);
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@ -81,7 +81,15 @@ void burn_finish(void)
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{
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assert(burn_running);
|
||||
|
||||
burn_wait_all();
|
||||
/* ts A61007 */
|
||||
/* burn_wait_all(); */
|
||||
if (!burn_drives_are_clear()) {
|
||||
libdax_msgs_submit(libdax_messenger, -1, 0x00020107,
|
||||
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
|
||||
"Drive is busy on attempt to shut down library",
|
||||
0, 0);
|
||||
return;
|
||||
}
|
||||
|
||||
/* ts A60904 : ticket 62, contribution by elmom : name addon "_all" */
|
||||
burn_drive_free_all();
|
||||
|
||||
@ -172,7 +172,11 @@ enum burn_disc_status
|
||||
/** There is an incomplete disc in the drive */
|
||||
BURN_DISC_APPENDABLE,
|
||||
/** There is a disc with data on it in the drive */
|
||||
BURN_DISC_FULL
|
||||
BURN_DISC_FULL,
|
||||
|
||||
/* ts A61007 */
|
||||
/** The drive was not grabbed when the status was inquired */
|
||||
BURN_DISC_UNGRABBED
|
||||
};
|
||||
|
||||
|
||||
@ -419,7 +423,8 @@ int burn_abort(int patience,
|
||||
int burn_abort_pacifier(void *handle, int patience, int elapsed);
|
||||
|
||||
|
||||
/** Set the verbosity level of the library. The default value is 0, which means
|
||||
/** ts A61006 : This is for development only. Not suitable for applications.
|
||||
Set the verbosity level of the library. The default value is 0, which means
|
||||
that nothing is output on stderr. The more you increase this, the more
|
||||
debug output should be displayed on stderr for you.
|
||||
@param level The verbosity level desired. 0 for nothing, higher positive
|
||||
@ -510,7 +515,9 @@ void burn_drive_clear_whitelist(void);
|
||||
before burn_finish(), and also before calling this function
|
||||
burn_drive_scan() again.
|
||||
@param n_drives Returns the number of drive items in drive_infos.
|
||||
@return Zero while scanning is not complete; non-zero when it is finished.
|
||||
@return 0 while scanning is not complete
|
||||
>0 when it is finished sucessfully,
|
||||
<0 when finished but failed.
|
||||
*/
|
||||
int burn_drive_scan(struct burn_drive_info *drive_infos[],
|
||||
unsigned int *n_drives);
|
||||
@ -545,6 +552,7 @@ void burn_drive_info_free(struct burn_drive_info drive_infos[]);
|
||||
@param drive_info The drive to inquire. Usually some &(drive_infos[driveno])
|
||||
@param adr An application provided array of at least BURN_DRIVE_ADR_LEN
|
||||
characters size. The persistent address gets copied to it.
|
||||
@return >0 success , <=0 error (due to libburn internal problem)
|
||||
*/
|
||||
int burn_drive_get_adr(struct burn_drive_info *drive_info, char adr[]);
|
||||
|
||||
@ -615,6 +623,7 @@ void burn_drive_release(struct burn_drive *drive, int eject);
|
||||
for details.
|
||||
@param drive The drive to query for a disc.
|
||||
@return The status of the drive, or what kind of disc is in it.
|
||||
Note: BURN_DISC_UNGRABBED indicates wrong API usage
|
||||
*/
|
||||
enum burn_disc_status burn_disc_get_status(struct burn_drive *drive);
|
||||
|
||||
@ -643,7 +652,7 @@ struct burn_write_opts *burn_write_opts_new(struct burn_drive *drive);
|
||||
*/
|
||||
void burn_write_opts_free(struct burn_write_opts *opts);
|
||||
|
||||
/** Creates a write_opts struct for reading from the specified drive
|
||||
/** Creates a read_opts struct for reading from the specified drive
|
||||
must be freed with burn_write_opts_free
|
||||
@param drive The drive to read from
|
||||
@return The read_opts
|
||||
|
||||
@ -309,6 +309,13 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
|
||||
0x00020102 (SORRY,HIGH) = A drive operation is still going on
|
||||
0x00020103 (WARNING,HIGH) = After scan a drive operation is still going on
|
||||
0x00020104 (SORRY,HIGH) = NULL pointer caught
|
||||
0x00020105 (SORRY,HIGH) = Drive is already released
|
||||
0x00020106 (SORRY,HIGH) = Drive is busy on attempt to close
|
||||
0x00020107 (SORRY,HIGH) = Drive is busy on attempt to shut down library
|
||||
0x00020108 (SORRY,HIGH) = Drive is not grabbed on disc status inquiry
|
||||
0x00020108 (FATAL,HIGH) = Could not allocate new drive object
|
||||
0x00020109 (FATAL,HIGH) = Library not running
|
||||
0x00020110 (FATAL,HIGH) = Persistent drive address too long
|
||||
|
||||
------------------------------------------------------------------------------
|
||||
|
||||
|
||||
@ -450,6 +450,15 @@ static void enumerate_common(char *fname, int bus_no, int host_no,
|
||||
out.idata->valid = 0;
|
||||
out.mdata = malloc(sizeof(struct scsi_mode_data));
|
||||
out.mdata->valid = 0;
|
||||
|
||||
/* ts A61007 : obsolete assert() in drive_getcaps() */
|
||||
if(out.idata == NULL || out.mdata == NULL) {
|
||||
libdax_msgs_submit(libdax_messenger, -1, 0x00020108,
|
||||
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
|
||||
"Could not allocate new drive object", 0, 0);
|
||||
return;
|
||||
}
|
||||
|
||||
memset(&out.params, 0, sizeof(struct params));
|
||||
t = burn_drive_register(&out);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user