--- /home/roland/redhat/linux-2.5.59-1.1007/fs/exec.c.~1~ Fri Feb 7 20:04:27 2003
+++ /home/roland/redhat/linux-2.5.59-1.1007/fs/exec.c Sun Feb 9 17:25:31 2003
@@ -601,9 +601,12 @@ static inline int de_thread(struct task_
if (thread_group_empty(current))
goto no_thread_group;
+
/*
- * Kill all other threads in the thread group:
+ * Kill all other threads in the thread group.
+ * We must hold tasklist_lock to call zap_other_threads.
*/
+ read_lock(&tasklist_lock);
spin_lock_irq(lock);
if (oldsig->group_exit) {
/*
@@ -611,6 +614,7 @@ static inline int de_thread(struct task_
* return so that the signal is processed.
*/
spin_unlock_irq(lock);
+ read_unlock(&tasklist_lock);
kmem_cache_free(sighand_cachep, newsighand);
if (newsig)
kmem_cache_free(signal_cachep, newsig);
@@ -618,6 +622,7 @@ static inline int de_thread(struct task_
}
oldsig->group_exit = 1;
zap_other_threads(current);
+ read_unlock(&tasklist_lock);
/*
* Account for the thread group leader hanging around:
-
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This archive was generated by hypermail 2b29 : Sat Feb 15 2003 - 22:00:24 EST