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/*
* Copyright (C) 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#ifndef _TID_ALLOCATOR_H
#define _TID_ALLOCATOR_H
#include "platform_common.h"
#define TID_ALLOCATOR_INIT_SIZE CLUSTER_MAX_THREAD_NUM
enum {
TID_MIN = 1,
TID_MAX = 0x1FFFFFFF
}; // Reserved TIDs (WASI specification)
/* Stack data structure to track available thread identifiers */
typedef struct {
int32 *ids; // Array used to store the stack
uint32 size; // Stack capacity
uint32 pos; // Index of the element after the stack top
} TidAllocator;
bool
tid_allocator_init(TidAllocator *tid_allocator);
void
tid_allocator_deinit(TidAllocator *tid_allocator);
int32
tid_allocator_get_tid(TidAllocator *tid_allocator);
void
tid_allocator_release_tid(TidAllocator *tid_allocator, int32 thread_id);
#endif /* _TID_ALLOCATOR_H */
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