From 29fa60bd23ed84a470c7ebc7e0b031c136f3cf33 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Sat, 13 Sep 2014 01:32:13 +0200
Subject: [PATCH 3/3] ddb: add `kill' command

* ddb/db_command.c (db_command_table): Add a `kill' command to
terminate tasks.
* ddb/db_task_thread.c (db_task_terminate): New function.
* ddb/db_task_thread.h (db_task_terminate): New declaration.
---
 ddb/db_command.c     |  1 +
 ddb/db_task_thread.c | 18 ++++++++++++++++++
 ddb/db_task_thread.h |  7 +++++++
 3 files changed, 26 insertions(+)

diff --git a/ddb/db_command.c b/ddb/db_command.c
index 5651667..74f191b 100644
--- a/ddb/db_command.c
+++ b/ddb/db_command.c
@@ -362,6 +362,7 @@ struct db_command db_command_table[] = {
 	{ "macro",	db_def_macro_cmd,	CS_OWN,	 	0 },
 	{ "dmacro",	db_del_macro_cmd,	CS_OWN,		0 },
 	{ "show",	0,			0,	db_show_cmds },
+	{ "kill",	db_task_terminate,	0,		0 },
 	{ "reset",	db_reset_cpu,		0,		0 },
 	{ "reboot",	db_reset_cpu,		0,		0 },
 	{ "halt",	db_halt_cpu,		0,		0 },
diff --git a/ddb/db_task_thread.c b/ddb/db_task_thread.c
index 97c81c8..5309d73 100644
--- a/ddb/db_task_thread.c
+++ b/ddb/db_task_thread.c
@@ -317,4 +317,22 @@ db_get_task_thread(
 	return;
 }
 
+/* ARGSUSED */
+void
+db_task_terminate(db_expr_t addr,
+		  boolean_t have_addr,
+		  db_expr_t count,
+		  const char *modif)
+{
+	task_t task = (task_t) addr;
+
+	if (! have_addr)
+	    db_error("No task\n");
+
+	if (! db_check_task_address_valid(task))
+	    db_error(0);
+
+	task_terminate(task);
+}
+
 #endif /* MACH_KDB */
diff --git a/ddb/db_task_thread.h b/ddb/db_task_thread.h
index 18f1957..c095aac 100644
--- a/ddb/db_task_thread.h
+++ b/ddb/db_task_thread.h
@@ -65,4 +65,11 @@ db_get_task_thread(
 	int			flag,
 	db_var_aux_param_t	ap);
 
+extern void
+db_task_terminate(
+	db_expr_t		addr,
+	boolean_t		have_addr,
+	db_expr_t		count,
+	const char		*modif);
+
 #endif  /* _DDB_DB_TASK_THREAD_H_ */
-- 
2.1.0