WebAssembly Micro Runtime first version

core/shared-lib/utils/runtime_timer.h

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+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LIB_BASE_RUNTIME_TIMER_H_
+#define LIB_BASE_RUNTIME_TIMER_H_
+
+#include "bh_platform.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint32 bh_get_elpased_ms(uint32 * last_system_clock);
+
+struct _timer_ctx;
+typedef struct _timer_ctx * timer_ctx_t;
+typedef void (*timer_callback_f)(uint32 id, unsigned int owner);
+typedef void (*check_timer_expiry_f)(timer_ctx_t ctx);
+
+timer_ctx_t create_timer_ctx(timer_callback_f timer_handler,
+        check_timer_expiry_f, int prealloc_num, unsigned int owner);
+void destroy_timer_ctx(timer_ctx_t);
+void timer_ctx_set_lock(timer_ctx_t ctx, bool lock);
+void * timer_ctx_get_lock(timer_ctx_t ctx);
+unsigned int timer_ctx_get_owner(timer_ctx_t ctx);
+
+uint32 sys_create_timer(timer_ctx_t ctx, int interval, bool is_period,
+        bool auto_start);
+bool sys_timer_destory(timer_ctx_t ctx, uint32 timer_id);
+bool sys_timer_cancel(timer_ctx_t ctx, uint32 timer_id);
+bool sys_timer_restart(timer_ctx_t ctx, uint32 timer_id, int interval);
+void cleanup_app_timers(timer_ctx_t ctx);
+int check_app_timers(timer_ctx_t ctx);
+int get_expiry_ms(timer_ctx_t ctx);
+
+void wakeup_timer_thread(timer_ctx_t ctx);
+void * thread_timer_check(void * arg);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* LIB_BASE_RUNTIME_TIMER_H_ */