Valid 3 code version

2024-10-31 12:42:45 +08:00
parent 7b6c93d391
commit 3e1479bdf0
34 changed files with 831 additions and 520 deletions
@@ -0,0 +1,65 @@
+/*
+ * 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 sys_wait_session.c
+ * @brief
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.08.25
+ */
+
+/*************************************************
+File name: sys_poll_session.c
+Description: server poll its connected sessions
+Others:
+History:
+1. Date: 2023-08-28
+Author: AIIT XUOS Lab
+Modification:
+1. first version
+*************************************************/
+#include "multicores.h"
+#include "share_page.h"
+
+#include "syscall.h"
+
+extern bool ksemaphore_wait(struct XiziSemaphorePool* sem_pool, struct Thread* thd, sem_id_t sem_id);
+int sys_wait_session(struct Session* userland_session)
+{
+    struct Thread* cur_task = cur_cpu()->task;
+
+    RbtNode* client_session_node = rbt_search(&cur_task->cli_sess_map, userland_session->id);
+    if (client_session_node == NULL) {
+        ERROR("Error waiting session from %s: Invalid session %d\n", cur_task->name, userland_session->id);
+        return -1;
+    }
+
+    struct client_session* client_session = (struct client_session*)client_session_node->data;
+    if (CLIENT_SESSION_BACKEND(client_session)->session_id != userland_session->id || //
+        client_session->buf_addr != (uintptr_t)userland_session->buf) {
+        ERROR("Error waiting session from %s: Invalid session %d\n", cur_task->name, userland_session->id);
+        return -1;
+    }
+
+    /* handle calling */
+    struct session_backend* session_backend = CLIENT_SESSION_BACKEND(client_session);
+    struct Thread* server_to_call = session_backend->server;
+    enqueue(&server_to_call->sessions_to_be_handle, 0, (void*)&session_backend->server_side);
+    assert(!queue_is_empty(&server_to_call->sessions_to_be_handle));
+
+    ksemaphore_wait(&xizi_task_manager.semaphore_pool, cur_task, session_backend->client_sem_to_wait);
+    if (server_to_call->state == BLOCKED) {
+        xizi_task_manager.task_unblock(session_backend->server);
+    }
+
+    return 0;
+}