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-rw-r--r--include/linux/ptrace.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index dae6d85520f..ed69c03692d 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -176,6 +176,19 @@ static inline void ptrace_init_task(struct task_struct *child, bool ptrace)
}
}
+/**
+ * ptrace_release_task - final ptrace-related cleanup of a zombie being reaped
+ * @task: task in %EXIT_DEAD state
+ *
+ * Called with write_lock(&tasklist_lock) held.
+ */
+static inline void ptrace_release_task(struct task_struct *task)
+{
+ BUG_ON(!list_empty(&task->ptraced));
+ ptrace_unlink(task);
+ BUG_ON(!list_empty(&task->ptrace_entry));
+}
+
#ifndef force_successful_syscall_return
/*
* System call handlers that, upon successful completion, need to return a