101 lines
1.8 KiB
C
101 lines
1.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <pobj/pobj.h>
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struct data {
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int val;
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};
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struct item {
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int val;
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struct data *data;
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struct item *next;
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int dummy[45];
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};
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int item_ref_fields[] = {
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member_offset(struct item, data),
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member_offset(struct item, next),
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-1
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};
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int
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main (int argc, char **argv)
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{
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static struct item *list = NULL;
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struct data *data;
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struct item *tmp, *next;
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int i;
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switch (pobj_init (NULL, NULL)) {
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case 0:
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printf ("first-time init\n");
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/* Build list. */
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next = NULL;
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for (i = 0; i < 15; i++) {
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pobj_start ();
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tmp = (struct item *) pobj_malloc (sizeof (struct item));
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data = (struct data *) pobj_malloc_transient (sizeof (struct data));
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if (! (tmp && data)) {
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printf ("allocation error\n");
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abort ();
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}
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pobj_ref_typify (tmp, item_ref_fields);
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pobj_static_set_ref (&list, tmp);
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data->val = -i;
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tmp->val = i;
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tmp->data = data;
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tmp->next = next;
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#if 0
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POBJ_SET_INT (tmp, val, i);
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/* Intended crash code... */
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if (i == 7)
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abort ();
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POBJ_SET_REF (tmp, next, next);
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#endif
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POBJ_UPDATE (data);
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POBJ_UPDATE (tmp);
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pobj_end ();
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next = tmp;
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}
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/* pobj_update_recursive (tmp); */
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/* pobj_static_set_ref (&list, tmp); */
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/* list = tmp; */
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/* pobj_static_update_ref (&list); */
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break;
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case 1:
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printf ("subsequent init\n");
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break;
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case -1:
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printf ("init error\n");
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break;
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default:
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printf ("unknown return value\n");
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}
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/* Print list. */
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printf ("printing list...\n");
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for (tmp = list; tmp; tmp = tmp->next)
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printf ("%p: val=%d next=%p data=%p data->val=%d\n",
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(void *) tmp, tmp->val, (void *) tmp->next,
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(void *) tmp->data, (tmp->data ? tmp->data->val : 0));
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printf ("...done\n");
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pobj_shutdown ();
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return 0;
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}
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