include/native/ppd.h

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#ifndef _XENO_PPD_H
#define _XENO_PPD_H

#include <nucleus/pod.h>
#include <nucleus/ppd.h>
#include <nucleus/heap.h>

typedef struct xeno_resource_holder {

        xnshadow_ppd_t ppd;

#define ppd2rholder(a)  container_of(a, struct xeno_resource_holder, ppd)

        xnqueue_t alarmq;
        xnqueue_t condq;
        xnqueue_t eventq;
        xnqueue_t heapq;
        xnqueue_t intrq;
        xnqueue_t mutexq;
        xnqueue_t pipeq;
        xnqueue_t queueq;
        xnqueue_t semq;
        xnqueue_t ioregionq;
        xnqueue_t bufferq;

} xeno_rholder_t;

extern xeno_rholder_t __native_global_rholder;

#ifdef CONFIG_XENO_OPT_PERVASIVE

extern int __native_muxid;

static inline xeno_rholder_t *xeno_get_rholder(void)
{
        xnshadow_ppd_t *ppd = xnshadow_ppd_get(__native_muxid);

        if (ppd == NULL)
                return &__native_global_rholder;

        return ppd2rholder(ppd);
}

#define __xeno_release_obj(obj)                 \
        do {                                    \
                if ((obj)->cpid)                \
                        xnfree(obj);            \
        } while(0)

#else /* !CONFIG_XENO_OPT_PERVASIVE */

static inline xeno_rholder_t *xeno_get_rholder(void)
{
        return &__native_global_rholder;
}

#define __xeno_release_obj(obj)         do { } while(0)

#endif /* !CONFIG_XENO_OPT_PERVASIVE */

#if XENO_DEBUG(NATIVE)
#define __xeno_trace_release(__name, __obj, __err)              \
        xnprintf("native: cleaning up %s \"%s\" (ret=%d).\n",   \
                 __name, (__obj)->name, __err)
#else /* !XENO_DEBUG(NATIVE) */
#define __xeno_trace_release(__name, __obj, __err)
#endif /* !XENO_DEBUG(NATIVE) */

#define __xeno_flush_rq(__type, __rq, __name, __release)                \
        do {                                                            \
                int rt_##__name##_delete(__type *);                     \
                xnholder_t *holder, *nholder;                           \
                __type *obj;                                            \
                int err;                                                \
                spl_t s;                                                \
                xnlock_get_irqsave(&nklock, s);                         \
                nholder = getheadq(__rq);                               \
                while ((holder = nholder) != NULL) {                    \
                        nholder = nextq((__rq), holder);                \
                        xnlock_put_irqrestore(&nklock, s);              \
                        obj = rlink2##__name(holder);                   \
                        err = rt_##__name##_delete(obj);                \
                        __xeno_trace_release(#__name, obj, err);        \
                        if (unlikely(err)) {                            \
                                if ((__rq) != &__native_global_rholder.__name##q) { \
                                        xnlock_get_irqsave(&nklock, s); \
                                        nholder = popq((__rq), holder); \
                                        appendq(&__native_global_rholder.__name##q, holder); \
                                        obj->rqueue = &__native_global_rholder.__name##q; \
                                }                                       \
                        } else {                                        \
                                if (__release)                          \
                                        __xeno_release_obj(obj);        \
                                xnlock_get_irqsave(&nklock, s);         \
                        }                                               \
                }                                                       \
                xnlock_put_irqrestore(&nklock, s);                      \
        } while(0)

#define xeno_flush_rq(__type, __rq, __name)  \
        __xeno_flush_rq(__type, __rq, __name, 1)

#define xeno_flush_rq_norelease(__type, __rq, __name)  \
        __xeno_flush_rq(__type, __rq, __name, 0)

#endif /* !_XENO_PPD_H */

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