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Issue 9667026: Revert 126020 - Experiment for updating the tcmalloc chromium branch to r144 (gperftools 2.0). (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 9 months ago
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1 // Copyright (c) 2011, Google Inc. 1 // Copyright (c) 2011, Google Inc.
2 // All rights reserved. 2 // 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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57 // the former head's |next| pointer. If the list is doubly linked, the 57 // the former head's |next| pointer. If the list is doubly linked, the
58 // new head |previous| pointer gets changed from pointing to the former 58 // new head |previous| pointer gets changed from pointing to the former
59 // head to NULL. 59 // head to NULL.
60 60
61 61
62 #include <stddef.h> 62 #include <stddef.h>
63 #include "free_list.h" 63 #include "free_list.h"
64 64
65 #if defined(TCMALLOC_USE_DOUBLYLINKED_FREELIST) 65 #if defined(TCMALLOC_USE_DOUBLYLINKED_FREELIST)
66 66
67 using tcmalloc::kCrash;
68
69 // TODO(jar): We should use C++ rather than a macro here. 67 // TODO(jar): We should use C++ rather than a macro here.
70 #define MEMORY_CHECK(v1, v2) \ 68 #define MEMORY_CHECK(v1, v2) \
71 if (v1 != v2) Log(kCrash, __FILE__, __LINE__, "Memory corruption detected.\n") 69 if (v1 != v2) CRASH("Memory corruption detected.\n")
72 70
73 namespace { 71 namespace {
74 void EnsureNonLoop(void* node, void* next) { 72 void EnsureNonLoop(void* node, void* next) {
75 // We only have time to do minimal checking. We don't traverse the list, but 73 // We only have time to do minimal checking. We don't traverse the list, but
76 // only look for an immediate loop (cycle back to ourself). 74 // only look for an immediate loop (cycle back to ourself).
77 if (node != next) return; 75 if (node != next) return;
78 Log(kCrash, __FILE__, __LINE__, "Circular loop in list detected: %p\n", next); 76 CRASH("Circular loop in list detected: %p\n", next);
79 } 77 }
80 78
81 // Returns value of the |previous| pointer w/out running a sanity 79 // Returns value of the |previous| pointer w/out running a sanity
82 // check. 80 // check.
83 inline void *FL_Previous_No_Check(void *t) { 81 inline void *FL_Previous_No_Check(void *t) {
84 return reinterpret_cast<void**>(t)[1]; 82 return reinterpret_cast<void**>(t)[1];
85 } 83 }
86 84
87 // Returns value of the |next| pointer w/out running a sanity check. 85 // Returns value of the |next| pointer w/out running a sanity check.
88 inline void *FL_Next_No_Check(void *t) { 86 inline void *FL_Next_No_Check(void *t) {
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222 220
223 namespace { 221 namespace {
224 222
225 inline void FL_SetNext(void *t, void *n) { 223 inline void FL_SetNext(void *t, void *n) {
226 tcmalloc::SLL_SetNext(t,n); 224 tcmalloc::SLL_SetNext(t,n);
227 } 225 }
228 226
229 } 227 }
230 228
231 #endif // TCMALLOC_USE_DOUBLYLINKED_FREELIST 229 #endif // TCMALLOC_USE_DOUBLYLINKED_FREELIST
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