Enable shared memory && add pthread support (#282)

2020-06-15 19:04:04 +08:00
parent f4d4d69736
commit d98ab63e5c
41 changed files with 3081 additions and 289 deletions
--- a/core/iwasm/libraries/thread-mgr/thread_manager.h
+++ b/core/iwasm/libraries/thread-mgr/thread_manager.h
@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _THREAD_MANAGER_H
+#define _THREAD_MANAGER_H
+
+#include "bh_common.h"
+#include "bh_log.h"
+#include "wasm_export.h"
+#include "../interpreter/wasm.h"
+#include "../common/wasm_runtime_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct WASMCluster
+{
+    struct WASMCluster *next;
+
+    korp_mutex lock;
+    bh_list exec_env_list;
+
+    /* The aux stack of a module with shared memory will be
+        divided into several segments. This array store the
+        stack top of different segments */
+    uint32 *stack_tops;
+    /* Size of every stack segment */
+    uint32 stack_size;
+    /* Record which segments are occupied */
+    bool *stack_segment_occupied;
+} WASMCluster;
+
+void wasm_cluster_set_max_thread_num(uint32 num);
+
+bool
+thread_manager_init();
+
+void
+thread_manager_destroy();
+
+/* Create cluster */
+WASMCluster *
+wasm_cluster_create(WASMExecEnv *exec_env);
+
+/* Destroy cluster */
+void
+wasm_cluster_destroy(WASMCluster *cluster);
+
+/* Get the cluster of the current exec_env */
+WASMCluster*
+wasm_exec_env_get_cluster(WASMExecEnv *exec_env);
+
+int32
+wasm_cluster_create_thread(WASMExecEnv *exec_env,
+                           wasm_module_inst_t module_inst,
+                           void* (*thread_routine)(void *),
+                           void *arg);
+
+int32
+wasm_cluster_join_thread(WASMExecEnv *exec_env, void **ret_val);
+
+int32
+wasm_cluster_detach_thread(WASMExecEnv *exec_env);
+
+int32
+wasm_cluster_cancel_thread(WASMExecEnv *exec_env);
+
+void
+wasm_cluster_exit_thread(WASMExecEnv *exec_env, void *retval);
+
+bool
+wasm_cluster_register_destroy_callback(void (*callback)(WASMCluster *));
+
+void
+wasm_cluster_cancel_all_callbacks();
+
+void
+wasm_cluster_suspend_all(WASMCluster *cluster);
+
+void
+wasm_cluster_suspend_all_except_self(WASMCluster *cluster,
+                                     WASMExecEnv *exec_env);
+
+void
+wasm_cluster_suspend_thread(WASMExecEnv *exec_env);
+
+void
+wasm_cluster_resume_thread(WASMExecEnv *exec_env);
+
+void
+wasm_cluster_resume_all(WASMCluster *cluster);
+
+void
+wasm_cluster_terminate_all(WASMCluster *cluster);
+
+void
+wasm_cluster_terminate_all_except_self(WASMCluster *cluster,
+                                       WASMExecEnv *exec_env);
+
+bool
+wasm_cluster_add_exec_env(WASMCluster *cluster, WASMExecEnv *exec_env);
+
+bool
+wasm_cluster_del_exec_env(WASMCluster *cluster, WASMExecEnv *exec_env);
+
+void
+wasm_cluster_spread_exception(WASMExecEnv *exec_env);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* end of _THREAD_MANAGER_H */