diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
index 72b927a..42aa18b 100644
--- a/src/core/ngx_cycle.c
+++ b/src/core/ngx_cycle.c
@@ -412,7 +412,7 @@
         if (shm_zone[i].shm.size == 0) {
             ngx_log_error(NGX_LOG_EMERG, log, 0,
                           "zero size shared memory zone \"%V\"",
-                          &shm_zone[i].name);
+                          &shm_zone[i].shm.name);
             goto failed;
         }
 
@@ -437,12 +437,13 @@
                 n = 0;
             }
 
-            if (shm_zone[i].name.len != oshm_zone[n].name.len) {
+            if (shm_zone[i].shm.name.len != oshm_zone[n].shm.name.len) {
                 continue;
             }
 
-            if (ngx_strncmp(shm_zone[i].name.data, oshm_zone[n].name.data,
-                            shm_zone[i].name.len)
+            if (ngx_strncmp(shm_zone[i].shm.name.data,
+                            oshm_zone[n].shm.name.data,
+                            shm_zone[i].shm.name.len)
                 != 0)
             {
                 continue;
@@ -672,10 +673,10 @@
                 n = 0;
             }
 
-            if (oshm_zone[i].name.len == shm_zone[n].name.len
-                && ngx_strncmp(oshm_zone[i].name.data,
-                               shm_zone[n].name.data,
-                               oshm_zone[i].name.len)
+            if (oshm_zone[i].shm.name.len == shm_zone[n].shm.name.len
+                && ngx_strncmp(oshm_zone[i].shm.name.data,
+                               shm_zone[n].shm.name.data,
+                               oshm_zone[i].shm.name.len)
                 == 0)
             {
                 goto live_shm_zone;
@@ -1175,27 +1176,29 @@
             i = 0;
         }
 
-        if (name->len != shm_zone[i].name.len) {
+        if (name->len != shm_zone[i].shm.name.len) {
             continue;
         }
 
-        if (ngx_strncmp(name->data, shm_zone[i].name.data, name->len) != 0) {
+        if (ngx_strncmp(name->data, shm_zone[i].shm.name.data, name->len)
+            != 0)
+        {
             continue;
         }
 
         if (size && size != shm_zone[i].shm.size) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-                               "the size %uz of shared memory zone \"%V\" "
-                               "conflicts with already declared size %uz",
-                               size, &shm_zone[i].name, shm_zone[i].shm.size);
+                            "the size %uz of shared memory zone \"%V\" "
+                            "conflicts with already declared size %uz",
+                            size, &shm_zone[i].shm.name, shm_zone[i].shm.size);
             return NULL;
         }
 
         if (tag != shm_zone[i].tag) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-                               "the shared memory zone \"%V\" is "
-                               "already declared for a different use",
-                               &shm_zone[i].name);
+                            "the shared memory zone \"%V\" is "
+                            "already declared for a different use",
+                            &shm_zone[i].shm.name);
             return NULL;
         }
 
@@ -1211,8 +1214,8 @@
     shm_zone->data = NULL;
     shm_zone->shm.log = cf->cycle->log;
     shm_zone->shm.size = size;
+    shm_zone->shm.name = *name;
     shm_zone->init = NULL;
-    shm_zone->name = *name;
     shm_zone->tag = tag;
 
     return shm_zone;
diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h
index e42f46b..e7d6116 100644
--- a/src/core/ngx_cycle.h
+++ b/src/core/ngx_cycle.h
@@ -29,7 +29,6 @@
     void                     *data;
     ngx_shm_t                 shm;
     ngx_shm_zone_init_pt      init;
-    ngx_str_t                 name;
     void                     *tag;
 };
 
diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index ba3a035..2ab3f16 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -1433,7 +1433,7 @@
 
     ngx_queue_init(&cache->expire_queue);
 
-    len = sizeof(" in SSL session shared cache \"\"") + shm_zone->name.len;
+    len = sizeof(" in SSL session shared cache \"\"") + shm_zone->shm.name.len;
 
     shpool->log_ctx = ngx_slab_alloc(shpool, len);
     if (shpool->log_ctx == NULL) {
@@ -1441,7 +1441,7 @@
     }
 
     ngx_sprintf(shpool->log_ctx, " in SSL session shared cache \"%V\"%Z",
-                &shm_zone->name);
+                &shm_zone->shm.name);
 
     shm_zone->data = cache;
 
diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index dfa5346..b0e9595 100644
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -2043,7 +2043,7 @@
 
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                            "\"fastcgi_cache\" zone \"%V\" is unknown",
-                           &shm_zone->name);
+                           &shm_zone->shm.name);
 
         return NGX_CONF_ERROR;
     }
diff --git a/src/http/modules/ngx_http_limit_req_module.c b/src/http/modules/ngx_http_limit_req_module.c
index b393407..62bacaf 100644
--- a/src/http/modules/ngx_http_limit_req_module.c
+++ b/src/http/modules/ngx_http_limit_req_module.c
@@ -179,7 +179,7 @@
 
         ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                       "limiting requests, excess: %ui.%03ui by zone \"%V\"",
-                      excess / 1000, excess % 1000, &lrcf->shm_zone->name);
+                      excess / 1000, excess % 1000, &lrcf->shm_zone->shm.name);
 
         return NGX_HTTP_SERVICE_UNAVAILABLE;
     }
@@ -193,7 +193,7 @@
 
         ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                       "delaying request, excess: %ui.%03ui, by zone \"%V\"",
-                      excess / 1000, excess % 1000, &lrcf->shm_zone->name);
+                      excess / 1000, excess % 1000, &lrcf->shm_zone->shm.name);
 
         if (ngx_handle_read_event(r->connection->read, 0) != NGX_OK) {
             return NGX_HTTP_INTERNAL_SERVER_ERROR;
@@ -463,7 +463,7 @@
             ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
                           "limit_req \"%V\" uses the \"%V\" variable "
                           "while previously it used the \"%V\" variable",
-                          &shm_zone->name, &ctx->var, &octx->var);
+                          &shm_zone->shm.name, &ctx->var, &octx->var);
             return NGX_ERROR;
         }
 
@@ -496,7 +496,7 @@
 
     ngx_queue_init(ctx->queue);
 
-    len = sizeof(" in limit_req zone \"\"") + shm_zone->name.len;
+    len = sizeof(" in limit_req zone \"\"") + shm_zone->shm.name.len;
 
     ctx->shpool->log_ctx = ngx_slab_alloc(ctx->shpool, len);
     if (ctx->shpool->log_ctx == NULL) {
@@ -504,7 +504,7 @@
     }
 
     ngx_sprintf(ctx->shpool->log_ctx, " in limit_req zone \"%V\"%Z",
-                &shm_zone->name);
+                &shm_zone->shm.name);
 
     return NGX_OK;
 }
@@ -574,6 +574,8 @@
             p = (u_char *) ngx_strchr(name.data, ':');
 
             if (p) {
+                *p = '\0';
+
                 name.len = p - name.data;
 
                 p++;
@@ -744,7 +746,7 @@
     if (lrcf->shm_zone->data == NULL) {
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                            "unknown limit_req_zone \"%V\"",
-                           &lrcf->shm_zone->name);
+                           &lrcf->shm_zone->shm.name);
         return NGX_CONF_ERROR;
     }
 
diff --git a/src/http/modules/ngx_http_limit_zone_module.c b/src/http/modules/ngx_http_limit_zone_module.c
index 384155c..b32c3da 100644
--- a/src/http/modules/ngx_http_limit_zone_module.c
+++ b/src/http/modules/ngx_http_limit_zone_module.c
@@ -191,7 +191,7 @@
 
                 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                               "limiting connections by zone \"%V\"",
-                              &lzcf->shm_zone->name);
+                              &lzcf->shm_zone->shm.name);
 
                 return NGX_HTTP_SERVICE_UNAVAILABLE;
             }
@@ -328,7 +328,7 @@
             ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
                           "limit_zone \"%V\" uses the \"%V\" variable "
                           "while previously it used the \"%V\" variable",
-                          &shm_zone->name, &ctx->var, &octx->var);
+                          &shm_zone->shm.name, &ctx->var, &octx->var);
             return NGX_ERROR;
         }
 
@@ -352,14 +352,15 @@
     ngx_rbtree_init(ctx->rbtree, sentinel,
                     ngx_http_limit_zone_rbtree_insert_value);
 
-    len = sizeof(" in limit_zone \"\"") + shm_zone->name.len;
+    len = sizeof(" in limit_zone \"\"") + shm_zone->shm.name.len;
 
     shpool->log_ctx = ngx_slab_alloc(shpool, len);
     if (shpool->log_ctx == NULL) {
         return NGX_ERROR;
     }
 
-    ngx_sprintf(shpool->log_ctx, " in limit_zone \"%V\"%Z", &shm_zone->name);
+    ngx_sprintf(shpool->log_ctx, " in limit_zone \"%V\"%Z",
+                &shm_zone->shm.name);
 
     return NGX_OK;
 }
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 820e2d4..60182d6 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -2104,7 +2104,7 @@
 
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                            "\"proxy_cache\" zone \"%V\" is unknown",
-                           &shm_zone->name);
+                           &shm_zone->shm.name);
 
         return NGX_CONF_ERROR;
     }
diff --git a/src/http/modules/ngx_http_ssl_module.c b/src/http/modules/ngx_http_ssl_module.c
index 91dad99..3bf52a2 100644
--- a/src/http/modules/ngx_http_ssl_module.c
+++ b/src/http/modules/ngx_http_ssl_module.c
@@ -564,6 +564,7 @@
 
             for (j = sizeof("shared:") - 1; j < value[i].len; j++) {
                 if (value[i].data[j] == ':') {
+                    value[i].data[j] = '\0';
                     break;
                 }
 
diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index 145d610..18794d8 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -54,7 +54,7 @@
             ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
                           "cache \"%V\" uses the \"%V\" cache path "
                           "while previously it used the \"%V\" cache path",
-                          &shm_zone->name, &cache->path->name,
+                          &shm_zone->shm.name, &cache->path->name,
                           &ocache->path->name);
 
             return NGX_ERROR;
@@ -112,7 +112,7 @@
 
     cache->max_size /= cache->bsize;
 
-    len = sizeof(" in cache keys zone \"\"") + shm_zone->name.len;
+    len = sizeof(" in cache keys zone \"\"") + shm_zone->shm.name.len;
 
     cache->shpool->log_ctx = ngx_slab_alloc(cache->shpool, len);
     if (cache->shpool->log_ctx == NULL) {
@@ -120,7 +120,7 @@
     }
 
     ngx_sprintf(cache->shpool->log_ctx, " in cache keys zone \"%V\"%Z",
-                &shm_zone->name);
+                &shm_zone->shm.name);
 
     return NGX_OK;
 }
@@ -1399,6 +1399,8 @@
             p = (u_char *) ngx_strchr(name.data, ':');
 
             if (p) {
+                *p = '\0';
+
                 name.len = p - name.data;
 
                 p++;
diff --git a/src/os/unix/ngx_shmem.h b/src/os/unix/ngx_shmem.h
index 85ef019..d626802 100644
--- a/src/os/unix/ngx_shmem.h
+++ b/src/os/unix/ngx_shmem.h
@@ -13,9 +13,10 @@
 
 
 typedef struct {
-    u_char      *addr;
-    size_t       size;
-    ngx_log_t   *log;
+    u_char     *addr;
+    size_t      size;
+    ngx_str_t   name;
+    ngx_log_t  *log;
 } ngx_shm_t;
 
 
diff --git a/src/os/win32/ngx_shmem.c b/src/os/win32/ngx_shmem.c
index 5c8fb62..62e8585 100644
--- a/src/os/win32/ngx_shmem.c
+++ b/src/os/win32/ngx_shmem.c
@@ -8,20 +8,16 @@
 #include <ngx_core.h>
 
 
-/*
- * TODO:
- *     maping name or inheritable handle
- */
-
 ngx_int_t
 ngx_shm_alloc(ngx_shm_t *shm)
 {
     shm->handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
-                                    0, shm->size, NULL);
+                                    0, shm->size, (char *) shm->name.data);
 
     if (shm->handle == NULL) {
         ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
-                      "CreateFileMapping(%uz) failed", shm->size);
+                      "CreateFileMapping(%uz, %s) failed",
+                      shm->size, shm->name.data);
         return NGX_ERROR;
     }
 
diff --git a/src/os/win32/ngx_shmem.h b/src/os/win32/ngx_shmem.h
index d1fe8f8..7bd6d62 100644
--- a/src/os/win32/ngx_shmem.h
+++ b/src/os/win32/ngx_shmem.h
@@ -13,10 +13,11 @@
 
 
 typedef struct {
-    u_char      *addr;
-    size_t       size;
-    HANDLE       handle;
-    ngx_log_t   *log;
+    u_char     *addr;
+    size_t      size;
+    ngx_str_t   name;
+    HANDLE      handle;
+    ngx_log_t  *log;
 } ngx_shm_t;