From 885b25429e0e5c683c1790535192e286d8f86cf2 Mon Sep 17 00:00:00 2001
From: i-evi <evidence_john@outlook.com>
Date: Fri, 11 Dec 2020 21:52:28 +0800
Subject: [PATCH] mem

---
 src/cc_tensor.c | 26 ++++++++++++++++++++------
 src/cc_tensor.h | 23 ++++++++++++++++++++++-
 src/cc_tsrmgr.c |  4 ++--
 src/cc_tsrmgr.h |  5 ++---
 4 files changed, 46 insertions(+), 12 deletions(-)

diff --git a/src/cc_tensor.c b/src/cc_tensor.c
index 2299006..90afd2d 100644
--- a/src/cc_tensor.c
+++ b/src/cc_tensor.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "cc_macro.h"
 #include "cc_assert.h"
 #include "cc_tensor.h"
 #include "cc_tsrmgr.h"
@@ -17,8 +18,7 @@ cc_tensor_t *cc_create(const cc_ssize *shape,
 	memsize = cc_dtype_size(dtype) * elems;
 	if (!memsize)
 		return NULL;
-	cc_assert_alloc(
-		tensor = (cc_tensor_t*)malloc(sizeof(cc_tensor_t)));
+	cc_assert_alloc(tensor = CC_ALLOC(cc_tensor_t));
 	cc_assert_ptr(
 		tensor->container = list_new(CC_TENSOR_ITEMS, 0));
 	cc_assert_alloc(
@@ -51,8 +51,7 @@ cc_tensor_t *cc_create(const cc_ssize *shape,
 cc_tensor_t *cc_copy(const cc_tensor_t *tensor, const char *name)
 {
 	cc_tensor_t *copied;
-	cc_assert_alloc(
-		copied = (cc_tensor_t*)malloc(sizeof(cc_tensor_t)));
+	cc_assert_alloc(copied = CC_ALLOC(cc_tensor_t));
 	cc_assert_ptr(
 		copied->container = list_clone(tensor->container));
 	cc_assert_ptr(
@@ -77,8 +76,7 @@ cc_tensor_t *cc_copy(const cc_tensor_t *tensor, const char *name)
 cc_tensor_t *cc_load(const char *filename)
 {
 	cc_tensor_t *tensor;
-	cc_assert_alloc(
-		tensor = (cc_tensor_t*)malloc(sizeof(cc_tensor_t)));
+	cc_assert_alloc(tensor = CC_ALLOC(cc_tensor_t));
 	if (!(tensor->container = list_import(filename))) {
 		free(tensor);
 		return NULL;
@@ -122,6 +120,8 @@ void cc_save(const cc_tensor_t *tensor, const char *filename)
 void cc_free(cc_tensor_t *tensor)
 {
 	if (tensor) {
+		if (tensor->owner)
+			*tensor->owner = NULL;
 		list_del(tensor->container);
 		free(tensor);
 	}
@@ -151,3 +151,17 @@ void cc_property(const cc_tensor_t *tensor)
 		"tensor: \"%s\", dtype: \"%s\", shape: [%s]\n",
 		tensor->name, cc_dtype_to_string(*tensor->dtype), buf);
 }
+
+void cc_ptr_bind(cc_tensor_t *tensor, cc_tensor_t **owner)
+{
+	/* cc_assert_zero(tensor->owner) */
+	if (tensor->owner) {
+		return;
+	}
+	tensor->owner = owner;
+}
+
+void cc_ptr_unbind(cc_tensor_t *tensor)
+{
+	tensor->owner = NULL;
+}
diff --git a/src/cc_tensor.h b/src/cc_tensor.h
index 2829c18..679af44 100644
--- a/src/cc_tensor.h
+++ b/src/cc_tensor.h
@@ -6,6 +6,7 @@
 #endif
 
 #include "util_list.h"
+#include "cc_macro.h"
 #include "cc_dtype.h"
 
 enum cc_tensor_items {	
@@ -21,12 +22,14 @@ enum cc_tensor_items {
  *     |_____ name
  */
 
-typedef struct {
+typedef struct cc_tensor_struct {
 	struct list *container;
 	const char     *name;
 	unsigned char  *data;
 	const cc_dtype *dtype;
 	const cc_ssize *shape;
+	cc_uint32       flag;
+	struct cc_tensor_struct **owner;
 } cc_tensor_t;
 
 cc_tensor_t *cc_create(
@@ -45,6 +48,24 @@ void cc_free(cc_tensor_t *tensor);
 
 void cc_property(const cc_tensor_t *tensor);
 
+#define CC_FL_FREE    1
+#define CC_FL_CACHED  2
+
+CC_INLINE
+cc_uint32 cc_getflag(cc_tensor_t *tensor)
+{
+	return tensor->flag;
+}
+
+CC_INLINE
+void cc_setflag(cc_tensor_t *tensor, cc_uint32 flag)
+{
+	tensor->flag = flag;
+}
+
+void cc_ptr_bind(cc_tensor_t *tensor, cc_tensor_t **owner);
+void cc_ptr_unbind(cc_tensor_t *tensor);
+
 #ifdef __cplusplus
 	}
 #endif
diff --git a/src/cc_tsrmgr.c b/src/cc_tsrmgr.c
index cef02bb..459a17f 100644
--- a/src/cc_tsrmgr.c
+++ b/src/cc_tsrmgr.c
@@ -4,6 +4,7 @@
 
 #include "util_rbt.h"
 #include "util_log.h"
+#include "cc_macro.h"
 #include "cc_assert.h"
 #include "cc_tsrmgr.h"
 
@@ -291,8 +292,7 @@ void cc_tsrmgr_unpack(struct list *tls)
 			off += (len + sizeof(rlen_t));
 		}
 		cc_tsrmgr_del(name);
-		cc_assert_alloc(
-			t = (cc_tensor_t*)malloc(sizeof(cc_tensor_t)));
+		cc_assert_alloc(t = CC_ALLOC(cc_tensor_t));
 		t->container = container;
 		t->name = container->name;
 		t->data = (cc_uint8*)
diff --git a/src/cc_tsrmgr.h b/src/cc_tsrmgr.h
index 295ff87..91afe62 100644
--- a/src/cc_tsrmgr.h
+++ b/src/cc_tsrmgr.h
@@ -12,13 +12,12 @@ void cc_tsrmgr_clear(void);
 
 void cc_tsrmgr_reg(cc_tensor_t *tensor);
 void cc_tsrmgr_del(const char *name);
-void cc_tsrmgr_update(cc_tensor_t *tensor);
 void cc_tsrmgr_replace(cc_tensor_t *tensor);
 
-int cc_tsrmgr_status(void);
-
 cc_tensor_t *cc_tsrmgr_get(const char *name);
 
+int cc_tsrmgr_status(void);
+
 void cc_tsrmgr_list(void);
 
 /*