Commit daded34b authored by Roland McGrath's avatar Roland McGrath Committed by Linus Torvalds

tracehook: vfork-done

This moves the PTRACE_EVENT_VFORK_DONE tracing into a tracehook.h inline,
tracehook_report_vfork_done().  The change has no effect, just clean-up.
Signed-off-by: default avatarRoland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Reviewed-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 09a05394
......@@ -210,4 +210,22 @@ static inline void tracehook_report_clone_complete(int trace,
ptrace_event(0, trace, pid);
}
/**
* tracehook_report_vfork_done - vfork parent's child has exited or exec'd
* @child: child task, already running
* @pid: new child's PID in the parent's namespace
*
* Called after a %CLONE_VFORK parent has waited for the child to complete.
* The clone/vfork system call will return immediately after this.
* The @child pointer may be invalid if a self-reaping child died and
* tracehook_report_clone() took no action to prevent it from self-reaping.
*
* Called with no locks held.
*/
static inline void tracehook_report_vfork_done(struct task_struct *child,
pid_t pid)
{
ptrace_event(PT_TRACE_VFORK_DONE, PTRACE_EVENT_VFORK_DONE, pid);
}
#endif /* <linux/tracehook.h> */
......@@ -1414,10 +1414,7 @@ long do_fork(unsigned long clone_flags,
freezer_do_not_count();
wait_for_completion(&vfork);
freezer_count();
if (unlikely (current->ptrace & PT_TRACE_VFORK_DONE)) {
current->ptrace_message = nr;
ptrace_notify ((PTRACE_EVENT_VFORK_DONE << 8) | SIGTRAP);
}
tracehook_report_vfork_done(p, nr);
}
} else {
nr = PTR_ERR(p);
......
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