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FP
irisatomic
Commits
637f31c7
Commit
637f31c7
authored
Sep 19, 2016
by
Zhen Zhang
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in revising doOp; MY HEAD IS BURNING
parent
15aeea0a
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637f31c7
...
...
@@ 184,90 +184,43 @@ Section proof.
{
admit
.
}
iApply
(
"HΦ"
with
"Ho2 Ho3 Hfrag Hx2"
).
Admitted
.
Lemma
mk_srv_spec
(
f
:
val
)
Q
:
heapN
⊥
N
→
heap_ctx
★
□
(
∀
x
:
val
,
WP
f
x
{{
v
,
■
Q
x
v
}}
)
⊢
WP
mk_srv
f
{{
f
'
,
□
(
∀
x
:
val
,
WP
f
'
x
{{
v
,
■
Q
x
v
}}
)
}}
.
Definition
doOp_triple
(
f
:
val
)
p
γ
x
γ
1
γ
2
γ
3
γ
4
Q
:
iProp
Σ
:=
atomic_triple
(
fun
_
:
()
=>
p_inv
γ
x
γ
1
γ
2
γ
3
γ
4
p
Q
★
(
own
γ
2
(
Excl
())
∨
own
γ
1
(
Excl
()))
★
□
(
∀
x
:
val
,
WP
f
x
{{
v
,
■
Q
x
v
}}
))
%
I
(
fun
_
ret
=>
(
own
γ
2
(
Excl
())
∨
own
γ
1
(
Excl
()))
★
ret
=
#()
★
p_inv
γ
x
γ
1
γ
2
γ
3
γ
4
p
Q
)
%
I
(
nclose
heapN
)
⊤
(
doOp
f
#
p
).
Lemma
doOp_spec
(
f
:
val
)
p
γ
x
γ
1
γ
2
γ
3
γ
4
R
:
heapN
⊥
N
→
heap_ctx
⊢
doOp_triple
f
p
γ
x
γ
1
γ
2
γ
3
γ
4
R
.
Proof
.
iIntros
(
HN
)
"[#Hh #Hf]"
.
wp_let
.
wp_alloc
p
as
"Hp"
.
iVs
(
own_alloc
(
Excl
()))
as
(
γ
1
)
"Ho1"
;
first
done
.
iVs
(
own_alloc
(
Excl
()))
as
(
γ
2
)
"Ho2"
;
first
done
.
iVs
(
own_alloc
(
Excl
()))
as
(
γ
3
)
"Ho3"
;
first
done
.
iVs
(
own_alloc
(
Excl
()))
as
(
γ
4
)
"Ho4"
;
first
done
.
iVs
(
own_alloc
(
1
%
Qp
,
DecAgree
#
0
))
as
(
γ
x
)
"Hx"
;
first
done
.
iVs
(
inv_alloc
N
_
(
srv_inv
γ
x
γ
1
γ
2
γ
3
γ
4
p
Q
)
with
"[Hp Ho1 Ho3]"
)
as
"#?"
.
{
iNext
.
rewrite
/
srv_inv
.
iLeft
.
iExists
#
0.
by
iFrame
.
}
wp_let
.
wp_bind
(
newlock
_
).
iApply
newlock_spec
=>
//. iFrame "Hh".
iAssert
(
∃
x
,
own
γ
x
(
1
%
Qp
,
DecAgree
x
)
★
own
γ
4
(
Excl
()))
%
I
with
"[Ho4 Hx]"
as
"Hinv"
.
{
iExists
#
0.
by
iFrame
.
}
iFrame
"Hinv"
.
iIntros
(
lk
γ
lk
)
"#Hlk"
.
wp_let
.
wp_apply
wp_fork
.
iSplitR
"Ho2"
.

(
*
client
closure
*
)
iVsIntro
.
wp_seq
.
iVsIntro
.
iAlways
.
iIntros
(
x
).
wp_let
.
wp_bind
(
acquire
_
).
iApply
acquire_spec
.
iFrame
"Hlk"
.
iIntros
"Hlked Ho"
.
iDestruct
"Ho"
as
(
x
'
)
"[Hx Ho4]"
.
wp_seq
.
wp_bind
(
_
<
_
)
%
E
.
iInv
N
as
">Hinv"
"Hclose"
.
iDestruct
"Hinv"
as
"[Hinv[Hinv[HinvHinv]]]"
.
+
iDestruct
"Hinv"
as
(
?
)
"(Hp & Ho1 & Ho3)"
.
wp_store
.
iAssert
(
=
r
=>
own
γ
x
(
1
%
Qp
,
DecAgree
x
))
%
I
with
"[Hx]"
as
"==>Hx"
.
{
iDestruct
(
own_update
with
"Hx"
)
as
"Hx"
;
last
by
iAssumption
.
apply
cmra_update_exclusive
.
done
.
}
iAssert
(
=
r
=>
own
γ
x
(((
1
/
2
)
%
Qp
,
DecAgree
x
)
⋅
((
1
/
2
)
%
Qp
,
DecAgree
x
)))
%
I
with
"[Hx]"
as
"==>[Hx1 Hx2]"
.
{
iDestruct
(
own_update
with
"Hx"
)
as
"Hx"
;
last
by
iAssumption
.
by
apply
pair_l_frac_op_1
'
.
}
iVs
(
"Hclose"
with
"[Hp Hx1 Ho1 Ho4]"
).
{
iNext
.
iRight
.
iLeft
.
iExists
x
.
by
iFrame
.
}
iVsIntro
.
wp_seq
.
wp_bind
(
wait
_
).
iApply
(
wait_spec
with
"[Hx2 Ho3 Hlked]"
);
first
by
done
.
iFrame
"Hh"
.
iFrame
"#"
.
iFrame
.
iIntros
(
y
)
"Ho4 Hx %"
.
wp_let
.
wp_bind
(
release
_
).
iApply
release_spec
.
iFrame
"Hlk Hlked"
.
iSplitL
.
*
iExists
x
.
by
iFrame
.
*
wp_seq
.
done
.
+
admit
.
+
admit
.
+
admit
.

(
*
server
side
*
)
iL
ö
b
as
"IH"
.
wp_rec
.
wp_let
.
wp_bind
(
!
_
)
%
E
.
iInv
N
as
">[Hinv[Hinv[HinvHinv]]]"
"Hclose"
.
+
admit
.
+
iDestruct
"Hinv"
as
(
x
)
"(Hp & Hx & Ho1 & Ho4)"
.
iIntros
(
HN
)
"#Hh"
.
rewrite
/
doOp_triple
/
atomic_triple
.
iIntros
(
P
Q
)
"#Hvs"
.
iIntros
"!# HP"
.
wp_rec
.
wp_let
.
wp_bind
(
!
_
)
%
E
.
iVs
(
"Hvs"
with
"HP"
)
as
(
xs
)
"[[Hp [[Ho2  Ho1] #Hf]] Hvs']"
.

rewrite
/
p_inv
.
iDestruct
"Hp"
as
"[Hp  [Hp  [Hp  Hp]]]"
.
+
iDestruct
"Hp"
as
(
y
)
"(Hp & Ho1 & Ho3)"
.
wp_load
.
iDestruct
"Hvs'"
as
"[_ Hvs']"
.
iVs
(
"Hvs'"
$
!
#()
with
"[]"
)
as
"HQ"
.
{
iSplitL
"Ho2"
;
first
by
iLeft
.
iSplitR
;
first
auto
.
iLeft
.
iExists
y
.
by
iFrame
.
}
iVsIntro
.
wp_match
.
eauto
.
+
iDestruct
"Hp"
as
(
x
)
"(Hp & Hx & Ho1 & Ho4)"
.
wp_load
.
iAssert
(
=
r
=>
own
γ
x
(((
1
/
4
)
%
Qp
,
DecAgree
x
)
⋅
((
1
/
4
)
%
Qp
,
DecAgree
x
)))
%
I
with
"[Hx]"
as
"==>[Hx1 Hx2]"
.
{
iDestruct
(
own_update
with
"Hx"
)
as
"Hx"
;
last
by
iAssumption
.
replace
((
1
/
2
)
%
Qp
)
with
(
1
/
4
+
1
/
4
)
%
Qp
;
last
by
apply
Qp_div_S
.
by
apply
pair_l_frac_op
'
.
}
wp_load
.
iVs
(
"H
close"
with
"[Hp Hx1 Ho2 Ho4]"
)
.
{
i
Next
.
iRight
.
iRight
.
iLeft
.
iExists
x
.
by
iFrame
.
}
iDestruct
"Hvs'"
as
"[Hvs' _]"
.
iVs
(
"H
vs'"
with
"[]"
)
as
"HP"
.
{
i
SplitR
"Ho1"
;
last
auto
.
iRight
.
iRight
.
iLeft
.
iExists
x
.
by
iFrame
.
}
iVsIntro
.
wp_match
.
wp_bind
(
f
x
).
iApply
wp_wand_r
.
iSplitR
;
first
by
iApply
"Hf"
.
iIntros
(
y
)
"%"
.
wp_value
.
iVsIntro
.
wp_bind
(
_
<
_
)
%
E
.
iInv
N
as
">[Hinv[Hinv[HinvHinv]]]"
"Hclose"
.
*
admit
.
*
admit
.
*
iDestruct
"Hinv"
as
(
x
'
)
"(Hp & Hx' & Ho2 & Ho4)"
.
destruct
(
decide
(
x
=
x
'
))
as
[
>
Hneq
];
last
by
admit
.
wp_store
.
iCombine
"Hx2"
"Hx'"
as
"Hx"
.
iDestruct
(
own_update
with
"Hx"
)
as
"==>Hx"
;
first
by
apply
pair_l_frac_op
.
rewrite
Qp_div_S
.
iVs
(
"Hclose"
with
"[Hp Hx Ho1 Ho4]"
).
{
iNext
.
rewrite
/
srv_inv
.
iRight
.
iRight
.
iRight
.
iExists
x
'
,
y
.
by
iFrame
.
}
iVsIntro
.
wp_seq
.
iApply
(
"IH"
with
"Ho2"
).
*
admit
.
+
admit
.
+
admit
.
Admitted
.
\ No newline at end of file
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