PERFORCE change 49829 for review

[Marcel Moolenaar]

http://perforce.freebsd.org/chv.cgi?CH=49829

Change 49829 by marcel at marcel_nfs on 2004/03/27 23:14:33

	Handle the T command. It's sent by gdb to check if a thread
	is alive. The command is sent prior to switching to that
	thread. This allows us to switch threads in gdb.

Affected files ...

.. //depot/projects/gdb/sys/gdb/gdb_main.c#10 edit

Differences ...

==== //depot/projects/gdb/sys/gdb/gdb_main.c#10 (text+ko) ====

@@ -193,6 +193,18 @@
 			kdb_cpu_set_singlestep();
 			return (1);
 		}
+		case 'T': {
+			intmax_t tid;
+			pid_t curtid;
+			gdb_rx_varhex(&tid);
+			curtid = kdb_thread->td_tid;
+			if (kdb_set_thread(tid))
+				gdb_tx_ok();
+			else
+				gdb_tx_err(ENOENT);
+			kdb_set_thread(tid);
+			break;
+		}
 		case -1:
 			/* Empty command. Treat as unknown command. */
 			/* FALLTHROUGH */