diff options
Diffstat (limited to 'include/linux/tracehook.h')
-rw-r--r-- | include/linux/tracehook.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index c7aa154f4bfc..eb96603d92db 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h | |||
@@ -259,14 +259,12 @@ static inline void tracehook_finish_clone(struct task_struct *child, | |||
259 | 259 | ||
260 | /** | 260 | /** |
261 | * tracehook_report_clone - in parent, new child is about to start running | 261 | * tracehook_report_clone - in parent, new child is about to start running |
262 | * @trace: return value from tracehook_prepare_clone() | ||
263 | * @regs: parent's user register state | 262 | * @regs: parent's user register state |
264 | * @clone_flags: flags from parent's system call | 263 | * @clone_flags: flags from parent's system call |
265 | * @pid: new child's PID in the parent's namespace | 264 | * @pid: new child's PID in the parent's namespace |
266 | * @child: new child task | 265 | * @child: new child task |
267 | * | 266 | * |
268 | * Called after a child is set up, but before it has been started | 267 | * Called after a child is set up, but before it has been started running. |
269 | * running. @trace is the value returned by tracehook_prepare_clone(). | ||
270 | * This is not a good place to block, because the child has not started | 268 | * This is not a good place to block, because the child has not started |
271 | * yet. Suspend the child here if desired, and then block in | 269 | * yet. Suspend the child here if desired, and then block in |
272 | * tracehook_report_clone_complete(). This must prevent the child from | 270 | * tracehook_report_clone_complete(). This must prevent the child from |
@@ -276,13 +274,14 @@ static inline void tracehook_finish_clone(struct task_struct *child, | |||
276 | * | 274 | * |
277 | * Called with no locks held, but the child cannot run until this returns. | 275 | * Called with no locks held, but the child cannot run until this returns. |
278 | */ | 276 | */ |
279 | static inline void tracehook_report_clone(int trace, struct pt_regs *regs, | 277 | static inline void tracehook_report_clone(struct pt_regs *regs, |
280 | unsigned long clone_flags, | 278 | unsigned long clone_flags, |
281 | pid_t pid, struct task_struct *child) | 279 | pid_t pid, struct task_struct *child) |
282 | { | 280 | { |
283 | if (unlikely(trace) || unlikely(clone_flags & CLONE_PTRACE)) { | 281 | if (unlikely(task_ptrace(child))) { |
284 | /* | 282 | /* |
285 | * The child starts up with an immediate SIGSTOP. | 283 | * It doesn't matter who attached/attaching to this |
284 | * task, the pending SIGSTOP is right in any case. | ||
286 | */ | 285 | */ |
287 | sigaddset(&child->pending.signal, SIGSTOP); | 286 | sigaddset(&child->pending.signal, SIGSTOP); |
288 | set_tsk_thread_flag(child, TIF_SIGPENDING); | 287 | set_tsk_thread_flag(child, TIF_SIGPENDING); |