Support XiZi_AIoT

2024-01-31 10:30:34 +08:00
parent f6cf46027d
commit 494312183b
351 changed files with 46408 additions and 450091 deletions
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+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+/**
+ * @file session.c
+ * @brief session
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.08.25
+ */
+
+/*************************************************
+File name: session.c
+Description: session
+Others:
+History:
+1. Date: 2023-08-28
+Author: AIIT XUOS Lab
+Modification:
+1. first version
+*************************************************/
+#include <assert.h>
+
+#include "session.h"
+#include "usyscall.h"
+
+int connect_session(struct Session* _session, char* _path, int _capacity)
+{
+    return session(_path, _capacity, _session);
+}
+
+int free_session(struct Session* session)
+{
+    return close_session(session);
+}
+
+// ipc_msg alloc_buffer(ipc_session)
+
+void* session_alloc_buf(struct Session* session, int len)
+{
+    if (len > session_remain_capacity(session)) {
+        return NULL;
+    }
+    void* buf = session->buf + session->tail;
+    // we mapped double size of page, so it's ok to write buffer directly
+    memset(buf, 0, len);
+    session_forward_tail(session, len);
+    return buf;
+}
+
+bool session_free_buf(struct Session* session, int len)
+{
+    if (len > session_used_size(session)) {
+        return false;
+    }
+    assert(session_forward_head(session, len) != 1);
+    return true;
+}