Merge to Fedora kernel-2.6.18-1.2255_FC5-vs2.0.2.2-rc9 patched with stable patch...

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

diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 8869a4c..8508b83 100644 (file)
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -51,6 +51,10 @@
 #ifdef __KERNEL__
 /*
  * Ptrace flags
+ *
+ * The owner ship rules for task->ptrace which holds the ptrace
+ * flags is simple.  When a task is running it owns it's task->ptrace
+ * flags.  When the a task is stopped the ptracer owns task->ptrace.
  */
 
 #define PT_PTRACED     0x00000001
@@ -63,6 +67,7 @@
 #define PT_TRACE_EXEC  0x00000080
 #define PT_TRACE_VFORK_DONE    0x00000100
 #define PT_TRACE_EXIT  0x00000200
+#define PT_ATTACHED    0x00000400      /* parent != real_parent */
 
 #define PT_TRACE_MASK  0x000003f4
 
@@ -74,9 +79,11 @@
 
 #include <linux/compiler.h>            /* For unlikely.  */
 #include <linux/sched.h>               /* For struct task_struct.  */
-#include <linux/vs_cvirt.h>
-#include <linux/vs_context.h>
 
+
+extern long arch_ptrace(struct task_struct *child, long request, long addr, long data);
+extern struct task_struct *ptrace_get_task_struct(pid_t pid);
+extern int ptrace_traceme(void);
 extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len);
 extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
 extern int ptrace_attach(struct task_struct *tsk);
@@ -88,6 +95,9 @@ extern void ptrace_notify(int exit_code);
 extern void __ptrace_link(struct task_struct *child,
                          struct task_struct *new_parent);
 extern void __ptrace_unlink(struct task_struct *child);
+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 void ptrace_link(struct task_struct *child,
                               struct task_struct *new_parent)