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authorRoland McGrath <roland@redhat.com>2008-07-25 19:45:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-26 12:00:08 -0700
commitdaded34be96b1975ff8539ff62ad8b158ce7d842 (patch)
tree8cab5e809e513efd1a403e587a53a1e75365d1fc /include
parent09a05394fe2448a4139b014936330af23fa7ec83 (diff)
downloadop-kernel-dev-daded34be96b1975ff8539ff62ad8b158ce7d842.zip
op-kernel-dev-daded34be96b1975ff8539ff62ad8b158ce7d842.tar.gz
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: Roland McGrath <roland@redhat.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Reviewed-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/tracehook.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 3ebc58b..830e6e1 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -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> */
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