[PATCH 1/3] move mwrap_reset to core

[Eric Wong <e@80x24.org>]

It'll be used for the C HTTP server.
---
 Mwrap.xs     | 20 +-------------------
 mwrap_core.h | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/Mwrap.xs b/Mwrap.xs
index 0c00914..9f105c6 100644
--- a/Mwrap.xs
+++ b/Mwrap.xs
@@ -130,26 +130,8 @@ CLEANUP:
 
 void
 mwrap_reset()
-PREINIT:
-	struct cds_lfht *t;
-	struct cds_lfht_iter iter;
-	struct src_loc *l;
 CODE:
-	uatomic_set(&total_bytes_inc, 0);
-	uatomic_set(&total_bytes_dec, 0);
-
-	rcu_read_lock();
-	t = CMM_LOAD_SHARED(totals);
-	if (t)
-		cds_lfht_for_each_entry(t, &iter, l, hnode) {
-			uatomic_set(&l->total, 0);
-			uatomic_set(&l->allocations, 0);
-			uatomic_set(&l->frees, 0);
-			uatomic_set(&l->freed_bytes, 0);
-			uatomic_set(&l->age_total, 0);
-			uatomic_set(&l->max_lifespan, 0);
-		}
-	rcu_read_unlock();
+	mwrap_reset();
 
 Devel::Mwrap::SrcLoc
 mwrap_get(loc)
diff --git a/mwrap_core.h b/mwrap_core.h
index f2d5a09..730699a 100644
--- a/mwrap_core.h
+++ b/mwrap_core.h
@@ -835,6 +835,29 @@ out:
 	--locating;
 }
 
+static void mwrap_reset(void)
+{
+	struct cds_lfht *t;
+	struct cds_lfht_iter iter;
+	struct src_loc *l;
+
+	uatomic_set(&total_bytes_inc, 0);
+	uatomic_set(&total_bytes_dec, 0);
+
+	rcu_read_lock();
+	t = CMM_LOAD_SHARED(totals);
+	if (t)
+		cds_lfht_for_each_entry(t, &iter, l, hnode) {
+			uatomic_set(&l->total, 0);
+			uatomic_set(&l->allocations, 0);
+			uatomic_set(&l->frees, 0);
+			uatomic_set(&l->freed_bytes, 0);
+			uatomic_set(&l->age_total, 0);
+			uatomic_set(&l->max_lifespan, 0);
+		}
+	rcu_read_unlock();
+}
+
 __attribute__((constructor)) static void mwrap_ctor(void)
 {
 	sigset_t set, old;