#ifndef DEQUE_H
#define DEQUE_H
+
#include <spec_lib.h>
#include <stdlib.h>
#include <cdsannotate.h>
#include <specannotation.h>
#include <model_memory.h>
+#include "common.h"
typedef struct {
atomic_size_t size;
@Options:
LANG = C;
@Global_define:
- @DeclareStruct:
- typedef struct tag_elem {
- call_id_t id;
- int data;
- } tag_elem_t;
-
@DeclareVar:
- spec_list *__deque;
- id_tag_t *tag;
+ IntegerList *__deque;
@InitVar:
- __deque= new_spec_list();
- tag = new_id_tag(); // Beginning of available id
- @DefineFunc:
- tag_elem_t* new_tag_elem(call_id_t id, int data) {
- tag_elem_t *e = (tag_elem_t*) CMODEL_MALLOC(sizeof(tag_elem_t));
- e->id = id;
- e->data = data;
- return e;
- }
- @DefineFunc:
- call_id_t get_id(void *wrapper) {
- return ((tag_elem_t*) wrapper)->id;
- }
- @DefineFunc:
- int get_data(void *wrapper) {
- return ((tag_elem_t*) wrapper)->data;
- }
+ __deque = createIntegerList();
+ @Finalize:
+ if (__deque)
+ destroyIntegerList(__deque);
+ return true;
+ @DefineFunc:
+ bool succ(int res) {
+ return res != EMPTY && res != ABORT;
+ }
@Happens_before:
Push -> Steal
- Push -> Take
+ @Commutativity: Push <-> Steal: true
+ @Commutativity: Take <-> Steal: true
+
@End
*/
/**
@Begin
@Interface: Take
- @Commit_point_set: Take_Point1 | Take_Point2 | Take_Point3 | Take_Point4
- @ID: size(__deque) == 0 ? DEFAULT_CALL_ID : get_id(back(__deque))
+ @Commit_point_set: TakeReadBottom | TakeReadBuffer | TakeReadTop
+ @ID: succ(__RET__) ? __RET__ : DEFAULT_CALL_ID
@Action:
- int _Old_Val = EMPTY;
- if (size(__deque) > 0) {
- _Old_Val = get_data(back(__deque));
- pop_back(__deque);
+ int elem = 0;
+ if (succ(__RET__)) {
+ elem = back(__deque);
+ pop_back(__deque);
+ //model_print("take: elem=%d, __RET__=%d\n", elem, __RET__);
}
- @Post_check:
- _Old_Val == __RET__
+ @Post_check: succ(__RET__) ? __RET__ == elem : true
@End
*/
int take(Deque *q);
/**
@Begin
@Interface: Push
- @Commit_point_set: Push_Point
- @ID: get_and_inc(tag);
+ @Commit_point_set: PushUpdateBuffer
+ @ID: x
@Action:
- tag_elem_t *elem = new_tag_elem(__ID__, x);
- push_back(__deque, elem);
+ push_back(__deque, x);
+ //model_print("push: elem=%d\n", x);
@End
*/
void push(Deque *q, int x);
/**
@Begin
@Interface: Steal
- @Commit_point_set: Steal_Point1 | Steal_Point2 | Steal_Point3
- @ID: size(__deque) == 0 ? DEFAULT_CALL_ID : get_id(front(__deque))
+ @Commit_point_set: StealReadTop1 | StealReadTop2 | StealReadBuffer
+ @ID: succ(__RET__) ? __RET__ : DEFAULT_CALL_ID
@Action:
- int _Old_Val = EMPTY;
- if (size(__deque) > 0) {
- _Old_Val = get_data(front(__deque));
- pop_front(__deque);
+ int elem = 0;
+ if (succ(__RET__)) {
+ elem = front(__deque);
+ pop_front(__deque);
+ //model_print("steal: elem=%d, __RET__=%d\n", elem, __RET__);
}
- @Post_check:
- _Old_Val == __RET__
+ @Post_check: succ(__RET__) ? __RET__ == elem : true
@End
*/
int steal(Deque *q);