x86 mmiotrace: comment about user space ABI

[linux-2.6-omap-h63xx.git] / include / linux / ptrace.h

diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index ebe0c17039cf0f8dec6d6207da29052463a610d3..f98501ba557eea676a827aed770d57b0b4b12c56 100644 (file)
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -98,6 +98,10 @@ extern void ptrace_untrace(struct task_struct *child);
 extern int ptrace_may_attach(struct task_struct *task);
 extern int __ptrace_may_attach(struct task_struct *task);
 
+static inline int ptrace_reparented(struct task_struct *child)
+{
+       return child->real_parent != child->parent;
+}
 static inline void ptrace_link(struct task_struct *child,
                               struct task_struct *new_parent)
 {