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#ifndef __THREAD_H__

#define __THREAD_H__

#include <l4lib/macros.h>

#include L4LIB_INC_ARCH(syslib.h)

#include L4LIB_INC_ARCH(syscalls.h)

#include <l4lib/exregs.h>

#include <l4lib/mutex.h>

#include <l4/api/thread.h>

#include <l4/lib/list.h>

/*

 * Library specific-flags for thread creation

 */

#define TC_USER_FLAGS_MASK      0x000F0000

#define TC_NOSTART              0x00010000

/* For same space */

#define STACK_SIZE                      PAGE_SIZE

/* Total threads the library supports */

#define THREADS_TOTAL                   10

/*

 * Keeps track of threads in the system

 * created by the pager

 */

struct l4_thread_list {

        int total;               /* Total number of threads */

        struct l4_mutex lock;    /* Threads list lock */

        struct link thread_list; /* Threads list */

        struct mem_cache *thread_cache; /* Cache for thread structures */

};

struct l4_thread {

        struct task_ids ids;            /* Thread ids */

        struct l4_mutex lock;           /* Lock for thread struct */

        struct link list;               /* Link to list of threads */

        unsigned long *stack;           /* Stack (grows downwards) */

        struct utcb *utcb;              /* UTCB address */

};

/*

 * These are thread calls that are meant to be

 * called by library users

 */

int thread_create(int (*func)(void *), void *args, unsigned int flags,

                  struct l4_thread **tptr);

int thread_wait(struct l4_thread *t);

void thread_exit(int exitcode);

/*

 * This is to be called only if to-be-destroyed thread is in

 * sane condition for destruction

 */

int thread_destroy(struct l4_thread *thread);

/* Library init function called by __container_init */

void __l4_threadlib_init(void);

void l4_parent_thread_init(void);

extern struct mem_cache *utcb_cache, *stack_cache;

extern struct l4_thread_list l4_thread_list;

extern void setup_new_thread(void);

#endif /* __THREAD_H__ */