From: Andre Noll <maan@systemlinux.org>
Date: Tue, 1 Apr 2008 19:57:33 +0000 (+0200)
Subject: unregister_task(): Set error status to E_TASK_UNREGISTERED
X-Git-Tag: v0.3.2~36
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=e6940831fbcf21dd0e6243ca89ea0c7f8b195d9e;hp=5132ecf659d4b578dd14181c8a7de043dbc6807a

unregister_task(): Set error status to E_TASK_UNREGISTERED

This way the users know when it's safe to free the memory
containing the task struct.
---

diff --git a/error.h b/error.h
index 6b8403d1..c2f993d0 100644
--- a/error.h
+++ b/error.h
@@ -166,6 +166,7 @@ extern const char **para_errlist[];
 
 #define SCHED_ERRORS \
 	PARA_ERROR(TASK_KILLED, "task killed"), \
+	PARA_ERROR(TASK_UNREGISTERED, "task has been unscheduled"), \
 	PARA_ERROR(NO_SUCH_TASK, "task not found"), \
 	PARA_ERROR(NOT_INITIALIZED, "scheduler not yet initialized"), \
 
diff --git a/sched.c b/sched.c
index 25004060..b9d64286 100644
--- a/sched.c
+++ b/sched.c
@@ -41,8 +41,7 @@ void unregister_task(struct task *t)
 		list_del(&t->pre_select_node);
 	if (t->post_select)
 		list_del(&t->post_select_node);
-	if (t->error >= 0)
-		t->error = -E_TASK_KILLED;
+	t->error = -E_TASK_UNREGISTERED;
 };