diff options
Diffstat (limited to 'include/linux/tracehook.h')
| -rw-r--r-- | include/linux/tracehook.h | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index bcc4ca762aee..7a1bd12aeffa 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -130,24 +130,6 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step) } /** - * tracehook_tracer_task - return the task that is tracing the given task - * @tsk: task to consider - * - * Returns NULL if no one is tracing @task, or the &struct task_struct - * pointer to its tracer. - * - * Must called under rcu_read_lock(). The pointer returned might be kept - * live only by RCU. During exec, this may be called with task_lock() - * held on @task, still held from when tracehook_unsafe_exec() was called. - */ -static inline struct task_struct *tracehook_tracer_task(struct task_struct *tsk) -{ - if (tsk->ptrace & PT_PTRACED) - return rcu_dereference(tsk->parent); - return NULL; -} - -/** * tracehook_signal_handler - signal handler setup is complete * @sig: number of signal being delivered * @info: siginfo_t of signal being delivered |