/*  sthreads_null.h -- null sthreads interface */

#ifndef h_sthreads
#define h_sthreads

struct sthread_mutex {
    int dummy;
};

struct sthread_cond {
    int dummy;
};

/* per-thread control block */
typedef struct tcb {
    struct mythread mythread;		/* toba per-thread stuff */
    struct in_java_lang_Thread *obj;	/* the Thread object */
    int state;				/* thread state */
    int defer;

    void *tramparg;                     /* Per-thread space for a trampoline */
} tcb;

/* thread states */
#define TS_RUNNING		1
#define TS_SUSPENDED		2

void sthread_init();
void sthread_launch(void (*routine)(), void *arg);
void sthread_got_exception(void);
void sthread_create(struct in_java_lang_Thread *o);
struct tcb *sthread_current();
void sthread_yield();
void sthread_sleep(Long millis);
void sthread_suspend(struct in_java_lang_Thread *o);
void sthread_resume(struct in_java_lang_Thread *o);
void sthread_setpriority(struct in_java_lang_Thread *o, int priority);
void sthread_stop(struct in_java_lang_Thread *o, Object e);
void sthread_exit();
void sthread_dontkill_start(struct mythread *thr);
void sthread_dontkill_end(struct mythread *thr);
int sthread_dontkill_p(struct mythread *thr);
void sthread_mutex_init(struct sthread_mutex *m);
void sthread_mutex_lock(struct sthread_mutex *m);
void sthread_mutex_unlock(struct sthread_mutex *m);
void sthread_mutex_destroy(struct sthread_mutex *m);
void sthread_cond_init(struct sthread_cond *c);
void sthread_cond_wait(struct sthread_cond *c, struct sthread_mutex *m, 
		       Long timeout);
void sthread_cond_signal(struct sthread_cond *c);
void sthread_cond_broadcast(struct sthread_cond *c);
void sthread_cond_destroy(struct sthread_cond *c);

extern int singlethreaded;
#endif /* h_sthreads */