Ensured synchronize cache before release

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2007.10.03.084206"
+#define Cdrskin_timestamP "2007.10.03.112547"

libburn/drive.c

@@ -463,6 +463,8 @@ int burn_drive_release_fl(struct burn_drive *d, int flag)
 	}
 
 	if (d->drive_role == 1) {
+		if (d->needs_sync_cache)
+			d->sync_cache(d);
 		if ((flag & 7) != 2)
 			d->unlock(d);
 		if ((flag & 7) == 1)
@@ -470,6 +472,7 @@ int burn_drive_release_fl(struct burn_drive *d, int flag)
 		d->release(d);
 	}
 
+	d->needs_sync_cache = 0; /* just to be sure */
 	d->released = 1;
 
 	/* ts A61125 : outsourced model aspects */
@@ -1670,6 +1673,12 @@ int burn_abort(int patience,
 
 	current_time = start_time = pacifier_time = time(0);
 	end_time = start_time + patience;
+
+	/* >>> ts A71002 : are there any threads at work ?
+		If not, then one can force abort because the drives will not
+		change status on their own.
+	 */
+
 	while(current_time-end_time < patience) {
 		still_not_done = 0;
 
@@ -2406,12 +2415,19 @@ int burn_drive_find_by_thread_pid(struct burn_drive **d, pid_t pid)
 {
 	int i;
 
-	for (i = 0; i < drivetop + 1; i++)
+	for (i = 0; i < drivetop + 1; i++) {
+
+/*
+		if (drive_array[i].thread_pid_valid)
+			fprintf(stderr, "libburn_EXPERIMENTAL : drive %d , thread_pid %d\n", i, drive_array[i].thread_pid);
+*/
+
 		if (drive_array[i].thread_pid_valid &&
 		    drive_array[i].thread_pid == pid) {
 			*d = &(drive_array[i]);
 			return 1;
 		}
+	}
 	return 0;
 }
 

libburn/mmc.c

@@ -2308,6 +2308,8 @@ void mmc_sync_cache(struct burn_drive *d)
 	}
 	if (spc_wait_unit_attention(d, 3600, "SYNCHRONIZE CACHE", 0) <= 0)
 		d->cancel = 1;
+	else
+		d->needs_sync_cache = 0;
 }
 
 
@@ -2949,6 +2951,7 @@ int mmc_setup_drive(struct burn_drive *d)
 	d->current_feat21h_link_size = -1;
 	d->current_feat2fh_byte4 = -1;
 	d->needs_close_session = 0;
+	d->needs_sync_cache = 0;
 	d->bg_format_status = -1;
 	d->num_format_descr = 0;
 	d->complete_sessions = 0;

libburn/transport.h

@@ -180,9 +180,12 @@ struct burn_drive
 	*/
 	int current_feat2fh_byte4;
 
-	/* ts A70114 : wether a DVD-RW media holds an incomplete session
+	/* ts A70114 : whether a DVD-RW media holds an incomplete session
 	               (which could need closing after write) */
 	int needs_close_session;
+	/* ts A71003 : whether a random write operation was done and no
+	               synchronize chache has happened yet */
+	int needs_sync_cache;
 
 	/* ts A61218 from 51h READ DISC INFORMATION */
 	int bg_format_status; /* 0=needs format start, 1=needs format restart*/

libburn/write.c

@@ -1793,6 +1793,7 @@ int burn_stdio_sync_cache(int fd, struct burn_drive *d, int flag)
 		d->cancel = 1;
 		return 0;
 	}
+	d->needs_sync_cache = 0;
 	if (!(flag & 1))
 		libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
 			   LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
@@ -2322,11 +2323,14 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
 		}
 	}
 
+	if(d->drive_role == 1)
+		d->needs_sync_cache = 1;
 	if(flag & 1) {
 		if(d->drive_role == 1)
 			d->sync_cache(d);
 		else
 			burn_stdio_sync_cache(fd, d, 0);
+		d->needs_sync_cache = 0;
 	}
 		
 	if(fd >= 0)