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https://github.com/bytecodealliance/wasm-micro-runtime.git
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49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright (C) 2023 Amazon Inc. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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#ifndef _WASM_SUSPEND_FLAGS_H
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#define _WASM_SUSPEND_FLAGS_H
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#include "bh_atomic.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Need to terminate */
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#define WASM_SUSPEND_FLAG_TERMINATE 0x1
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/* Need to suspend */
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#define WASM_SUSPEND_FLAG_SUSPEND 0x2
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/* Need to go into breakpoint */
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#define WASM_SUSPEND_FLAG_BREAKPOINT 0x4
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/* Return from pthread_exit */
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#define WASM_SUSPEND_FLAG_EXIT 0x8
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typedef union WASMSuspendFlags {
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bh_atomic_32_t flags;
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uintptr_t __padding__;
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} WASMSuspendFlags;
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#define WASM_SUSPEND_FLAGS_IS_ATOMIC BH_ATOMIC_32_IS_ATOMIC
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#define WASM_SUSPEND_FLAGS_GET(s_flags) BH_ATOMIC_32_LOAD(s_flags.flags)
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#define WASM_SUSPEND_FLAGS_FETCH_OR(s_flags, val) \
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BH_ATOMIC_32_FETCH_OR(s_flags.flags, val)
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#define WASM_SUSPEND_FLAGS_FETCH_AND(s_flags, val) \
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BH_ATOMIC_32_FETCH_AND(s_flags.flags, val)
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#if WASM_SUSPEND_FLAGS_IS_ATOMIC != 0
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#define WASM_SUSPEND_FLAGS_LOCK(lock) (void)0
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#define WASM_SUSPEND_FLAGS_UNLOCK(lock) (void)0
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#else /* else of WASM_SUSPEND_FLAGS_IS_ATOMIC */
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#define WASM_SUSPEND_FLAGS_LOCK(lock) os_mutex_lock(&lock)
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#define WASM_SUSPEND_FLAGS_UNLOCK(lock) os_mutex_unlock(&lock);
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#endif /* WASM_SUSPEND_FLAGS_IS_ATOMIC */
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#ifdef __cplusplus
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}
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#endif
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#endif /* end of _WASM_SUSPEND_FLAGS_H */
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