#ifndef _UTHREADS_H
#define _UTHREADS_H

/*
 *       User-Level Threads Library (uthreads)
 *       Author: OS, os@cs.huji.ac.il
 */

#define MAX_THREAD_NUM 100 /* maximal number of threads */
#define STACK_SIZE 4096   /* stack size per thread (in bytes) */


/* external interface */


/* Initialize thread library */
int thread_init(int quantumUsecs);

/* Create a new thread whose entry point is f */
int thread_spawn(void (*f)(void));

/* Terminate a thread */
int thread_terminate(int tid); 

/* Suspend a thread */
int thread_suspend(int tid);

/* Resume a thread */
int thread_resume(int tid);

/* Get thread id */
int thread_gettid();

/* Get total quantums */
int thread_get_total_quantums();

/* Get current thread's quantums */
int thread_get_my_quantums();

#endif