[tor-commits] [tor/master] Add accessor for inspecting timer callbacks.

[nickm@xxxxxxxxxxxxxx]

commit e6facbfe7abc50de374300ecd83873ead65b4b04
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Fri Dec 2 12:15:07 2016 -0500

    Add accessor for inspecting timer callbacks.
---
 src/common/timers.c | 14 ++++++++++++++
 src/common/timers.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/src/common/timers.c b/src/common/timers.c
index 41b2008..e1ad47b 100644
--- a/src/common/timers.c
+++ b/src/common/timers.c
@@ -255,6 +255,20 @@ timer_set_cb(tor_timer_t *t, timer_cb_fn_t cb, void *arg)
 }
 
 /**
+ * Set *<b>cb_out</b> (if provided) to this timer's callback function,
+ * and *<b>arg_out</b> (if provided) to this timer's callback argument.
+ */
+void
+timer_get_cb(const tor_timer_t *t,
+             timer_cb_fn_t *cb_out, void **arg_out)
+{
+  if (cb_out)
+    *cb_out = t->callback.cb;
+  if (arg_out)
+    *arg_out = t->callback.arg;
+}
+
+/**
  * Schedule the timer t to fire at the current time plus a delay of
  * <b>delay</b> microseconds.  All times are relative to monotime_get().
  */
diff --git a/src/common/timers.h b/src/common/timers.h
index 5f918f8..c5246a3 100644
--- a/src/common/timers.h
+++ b/src/common/timers.h
@@ -13,6 +13,8 @@ typedef void (*timer_cb_fn_t)(tor_timer_t *, void *,
                               const struct monotime_t *);
 tor_timer_t *timer_new(timer_cb_fn_t cb, void *arg);
 void timer_set_cb(tor_timer_t *t, timer_cb_fn_t cb, void *arg);
+void timer_get_cb(const tor_timer_t *t,
+                  timer_cb_fn_t *cb_out, void **arg_out);
 void timer_schedule(tor_timer_t *t, const struct timeval *delay);
 void timer_disable(tor_timer_t *t);
 void timer_free(tor_timer_t *t);

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