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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 | 32 |
33 #include <wtf/Assertions.h> | 33 #include "wtf/Assertions.h" |
34 #include <wtf/OwnPtr.h> | 34 #include "wtf/CPU.h" |
35 #include <wtf/PassRefPtr.h> | 35 #include "wtf/OwnPtr.h" |
36 #include <wtf/RefCounted.h> | 36 #include "wtf/PassRefPtr.h" |
37 #include <wtf/RefPtr.h> | 37 #include "wtf/RefCounted.h" |
38 #include <wtf/ThreadRestrictionVerifier.h> | 38 #include "wtf/RefPtr.h" |
39 #include <wtf/Vector.h> | 39 #include "wtf/ThreadRestrictionVerifier.h" |
| 40 #include "wtf/Vector.h" |
40 | 41 |
41 namespace WTF { | 42 namespace WTF { |
42 | 43 |
43 #ifndef NDEBUG | 44 #ifndef NDEBUG |
44 struct SameSizeAsRefCounted { | 45 struct SameSizeAsRefCounted { |
45 int a; | 46 int a; |
46 bool b; | 47 bool b; |
47 bool c; | 48 bool c; |
48 ThreadRestrictionVerifier d; | 49 ThreadRestrictionVerifier d; |
49 // The debug version may get bigger. | 50 // The debug version may get bigger. |
50 }; | 51 }; |
51 #else | 52 #else |
52 struct SameSizeAsRefCounted { | 53 struct SameSizeAsRefCounted { |
53 int a; | 54 int a; |
54 // Don't add anything here because this should stay small. | 55 // Don't add anything here because this should stay small. |
55 }; | 56 }; |
56 #endif | 57 #endif |
57 | 58 |
58 COMPILE_ASSERT(sizeof(OwnPtr<int>) == sizeof(int*), OwnPtr_should_stay_small); | 59 COMPILE_ASSERT(sizeof(OwnPtr<int>) == sizeof(int*), OwnPtr_should_stay_small); |
59 COMPILE_ASSERT(sizeof(PassRefPtr<RefCounted<int> >) == sizeof(int*), PassRefPtr_
should_stay_small); | 60 COMPILE_ASSERT(sizeof(PassRefPtr<RefCounted<int> >) == sizeof(int*), PassRefPtr_
should_stay_small); |
60 COMPILE_ASSERT(sizeof(RefCounted<int>) == sizeof(SameSizeAsRefCounted), RefCount
ed_should_stay_small); | 61 COMPILE_ASSERT(sizeof(RefCounted<int>) == sizeof(SameSizeAsRefCounted), RefCount
ed_should_stay_small); |
61 COMPILE_ASSERT(sizeof(RefCountedCustomAllocated<int>) == sizeof(SameSizeAsRefCou
nted), RefCountedCustomAllocated_should_stay_small); | 62 COMPILE_ASSERT(sizeof(RefCountedCustomAllocated<int>) == sizeof(SameSizeAsRefCou
nted), RefCountedCustomAllocated_should_stay_small); |
62 COMPILE_ASSERT(sizeof(RefPtr<RefCounted<int> >) == sizeof(int*), RefPtr_should_s
tay_small); | 63 COMPILE_ASSERT(sizeof(RefPtr<RefCounted<int> >) == sizeof(int*), RefPtr_should_s
tay_small); |
63 #if !(OS(WINDOWS) && CPU(X86_64)) // Packing trouble on Win64. See crbug.com/23
1671 | 64 #if !(OS(WINDOWS) && CPU(X86_64)) // Packing trouble on Win64. See crbug.com/23
1671 |
64 COMPILE_ASSERT(sizeof(Vector<int>) == sizeof(int*) + 2 * sizeof(int), Vector_sho
uld_stay_small); | 65 COMPILE_ASSERT(sizeof(Vector<int>) == sizeof(int*) + 2 * sizeof(int), Vector_sho
uld_stay_small); |
65 COMPILE_ASSERT(sizeof(Vector<int, 1>) == 2 * sizeof(int*) + 2 * sizeof(int), Vec
tor_should_stay_small); | 66 COMPILE_ASSERT(sizeof(Vector<int, 1>) == 2 * sizeof(int*) + 2 * sizeof(int), Vec
tor_should_stay_small); |
66 #endif | 67 #endif |
67 | 68 |
68 } | 69 } |
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