Add PTRACE_GETSIGINFO and PTRACE_SETSIGINFO

These new ptrace commands allow a debugger to control signals more precisely;
for instance, store a signal and deliver it later, as if it had come from the
original outside process or in response to the same faulting memory access.

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 15a951d2d27e..a325e5a8c645 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -400,6 +400,7 @@ struct task_struct {
 	struct backing_dev_info *backing_dev_info;
 
 	unsigned long ptrace_message;
+	siginfo_t *last_siginfo; /* For ptrace use.  */
 };
 
 extern void __put_task_struct(struct task_struct *tsk);