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/**
* @file stack.h
*
* Interface definition for the NJAMD stack ADT.
*/
#ifndef __NJ_STACK_H__
#define __NJ_STACK_H__
#include <config.h>
#include <lib/util.h>
#ifdef _THREAD_SAFE
# include <pthread.h>
#endif
/** An item in the stack */
struct nj_stack_item
{
nj_generic_t data; /**< Generic data.. a pointer or a u_long */
struct nj_stack_item *next; /**< Next item */
};
/** The stack itself */
struct nj_stack
{
#ifdef _THREAD_SAFE
pthread_mutex_t lock; /**< Mutex to protect access */
#endif
struct nj_stack_item *top; /**< Top stack item */
};
void __nj_stack_bootstrap_init(struct nj_stack *);
void __nj_stack_user_init(struct nj_stack *);
void __nj_stack_fini(struct nj_stack *);
struct nj_stack_item *__nj_stack_pop(struct nj_stack *);
void __nj_stack_push(struct nj_stack *, struct nj_stack_item *);
#endif /* __NJ_STACK_H */
// vim:ts=4
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