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) | |||
130 | } | 130 | } |
131 | 131 | ||
132 | /** | 132 | /** |
133 | * tracehook_tracer_task - return the task that is tracing the given task | ||
134 | * @tsk: task to consider | ||
135 | * | ||
136 | * Returns NULL if no one is tracing @task, or the &struct task_struct | ||
137 | * pointer to its tracer. | ||
138 | * | ||
139 | * Must called under rcu_read_lock(). The pointer returned might be kept | ||
140 | * live only by RCU. During exec, this may be called with task_lock() | ||
141 | * held on @task, still held from when tracehook_unsafe_exec() was called. | ||
142 | */ | ||
143 | static inline struct task_struct *tracehook_tracer_task(struct task_struct *tsk) | ||
144 | { | ||
145 | if (tsk->ptrace & PT_PTRACED) | ||
146 | return rcu_dereference(tsk->parent); | ||
147 | return NULL; | ||
148 | } | ||
149 | |||
150 | /** | ||
151 | * tracehook_signal_handler - signal handler setup is complete | 133 | * tracehook_signal_handler - signal handler setup is complete |
152 | * @sig: number of signal being delivered | 134 | * @sig: number of signal being delivered |
153 | * @info: siginfo_t of signal being delivered | 135 | * @info: siginfo_t of signal being delivered |