From 46a64e45c1d3fa42376cffcf90cfa0b66d781772 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Tue, 19 Apr 2011 15:39:13 +0200
Subject: [PATCH] Resources: Added mempool class

---
 ucw/Makefile      |  2 +-
 ucw/res-mempool.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++
 ucw/respool.h     |  3 +++
 3 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 ucw/res-mempool.c

diff --git a/ucw/Makefile b/ucw/Makefile
index fab1a16e..ff7707e5 100644
--- a/ucw/Makefile
+++ b/ucw/Makefile
@@ -34,7 +34,7 @@ LIBUCW_MODS= \
 	bbuf gary \
 	getopt \
 	strtonum \
-	respool trans res-fd res-mem res-subpool
+	respool trans res-fd res-mem res-subpool res-mempool
 
 LIBUCW_MAIN_INCLUDES= \
 	lib.h log.h threads.h \
diff --git a/ucw/res-mempool.c b/ucw/res-mempool.c
new file mode 100644
index 00000000..51a85c53
--- /dev/null
+++ b/ucw/res-mempool.c
@@ -0,0 +1,54 @@
+/*
+ *	The UCW Library -- Resources for Memory Pools
+ *
+ *	(c) 2011 Martin Mares <mj@ucw.cz>
+ *
+ *	This software may be freely distributed and used according to the terms
+ *	of the GNU Lesser General Public License.
+ */
+
+#include "ucw/lib.h"
+#include "ucw/respool.h"
+#include "ucw/mempool.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void
+mp_res_free(struct resource *r)
+{
+  mp_delete(r->priv);
+}
+
+static void
+mp_res_dump(struct resource *r, uns indent UNUSED)
+{
+  printf(" pool=%p\n", r->priv);
+}
+
+static const struct res_class mp_res_class = {
+  .name = "mempool",
+  .dump = mp_res_dump,
+  .free = mp_res_free,
+};
+
+struct resource *
+res_mempool(struct mempool *mp)
+{
+  return res_new(&mp_res_class, mp);
+}
+
+#ifdef TEST
+
+int main(void)
+{
+  struct respool *rp = rp_new("test", NULL);
+  rp_switch(rp);
+  res_mempool(mp_new(4096));
+  rp_dump(rp, 0);
+  rp_delete(rp);
+  return 0;
+}
+
+#endif
diff --git a/ucw/respool.h b/ucw/respool.h
index d05e9d07..22d40a9a 100644
--- a/ucw/respool.h
+++ b/ucw/respool.h
@@ -166,4 +166,7 @@ void *res_realloc(struct resource *res, size_t size);			/** Re-allocates memory
  **/
 struct resource *res_subpool(struct respool *rp);
 
+struct mempool;
+struct resource *res_mempool(struct mempool *mp);			/** Creates a resource for the specified memory pool. **/
+
 #endif
-- 
2.39.2