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#ifndef __VM_H__
#define __VM_H__
#include <stdlib.h>
#include <stdio.h> /* !!! */
#include <limits.h>
#include "vm_random.h"
#define VM_OP_STOP 1
#define VM_OP_COPY 2
#define VM_OP_EXEC 3
#define VM_OP_WAIT 4
#define VM_OP_PUSH (INT_MAX/2)
struct tvm_process {
int position;
int* stack;
int stack_top;
int age;
int reverse;
struct tvm_process* next;
};
struct tvm_pool {
int* area;
int area_size;
struct tvm_process* processes;
int max_stack_size;
int max_threads_num;
int reverse_enabled;
struct vm_random_data vm_random_data;
};
int vm_init_pool( struct tvm_pool** pool,
int area_size,
int max_stack_size,
int max_threads_num );
void vm_modify( struct tvm_pool* pool,
int position,
int op );
void vm_exec( struct tvm_pool* pool,
int position,
int age,
int reverse );
void vm_enable_reverse( struct tvm_pool* pool,
const int enabled );
int vm_get_reverse( struct tvm_pool* pool );
void vm_iterate( struct tvm_pool* pool,
char* modified );
void vm_done_pool( struct tvm_pool* pool );
#endif /* !defined( __VM_H__ ) */
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