GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item_mem.cc
Date: 2025-12-07 02:35:36
Exec Total Coverage
Lines: 45 46 97.8%
Branches: 34 50 68.0%
Line Branch Exec Source
1 /**
2 * This file is part of the CernVM File System.
3 */
4
5 #include "item_mem.h"
6
7 #include <cassert>
8 #include <cstdlib>
9
10 #include "util/concurrency.h"
11 #include "util/exception.h"
12
13 atomic_int64 ItemAllocator::total_allocated_ = 0;
14
15
16 6036095 void ItemAllocator::Free(void *ptr) {
17 6036095 const MutexLockGuard guard(lock_);
18
19 6050966 MallocArena *M = MallocArena::GetMallocArena(ptr, kArenaSize);
20
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 6050966 M->Free(ptr);
21 6050966 const unsigned N = malloc_arenas_.size();
22
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 6050966 if ((N > 1) && M->IsEmpty()) {
23
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 57 for (unsigned i = 0; i < N; ++i) {
24
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 57 if (malloc_arenas_[i] == M) {
25
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 45 delete malloc_arenas_[i];
26 45 atomic_xadd64(&total_allocated_, -static_cast<int>(kArenaSize));
27
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 45 malloc_arenas_.erase(malloc_arenas_.begin() + i);
28 45 idx_last_arena_ = 0;
29 45 return;
30 }
31 }
32 ✗ PANIC(NULL);
33 }
34
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 6050966 }
35
36
37 908 ItemAllocator::ItemAllocator() : idx_last_arena_(0) {
38 908 const int retval = pthread_mutex_init(&lock_, NULL);
39
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 908 assert(retval == 0);
40
41
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 908 malloc_arenas_.push_back(new MallocArena(kArenaSize));
42 908 atomic_xadd64(&total_allocated_, kArenaSize);
43 908 }
44
45
46 907 ItemAllocator::~ItemAllocator() {
47
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 1814 for (unsigned i = 0; i < malloc_arenas_.size(); ++i) {
48 907 atomic_xadd64(&total_allocated_, -static_cast<int>(kArenaSize));
49
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 907 delete malloc_arenas_[i];
50 }
51 907 pthread_mutex_destroy(&lock_);
52 907 }
53
54
55 6028283 void *ItemAllocator::Malloc(unsigned size) {
56 6028283 const MutexLockGuard guard(lock_);
57
58
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 6050966 void *p = malloc_arenas_[idx_last_arena_]->Malloc(size);
59
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 6050966 if (p != NULL)
60 6050915 return p;
61 51 const unsigned N = malloc_arenas_.size();
62
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 102 for (unsigned i = 0; i < N; ++i) {
63
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 57 p = malloc_arenas_[i]->Malloc(size);
64
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 57 if (p != NULL) {
65 6 idx_last_arena_ = i;
66 6 return p;
67 }
68 }
69 45 idx_last_arena_ = N;
70
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 45 MallocArena *M = new MallocArena(kArenaSize);
71 45 atomic_xadd64(&total_allocated_, kArenaSize);
72
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 45 malloc_arenas_.push_back(M);
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 45 p = M->Malloc(size);
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 45 assert(p != NULL);
75 45 return p;
76 6050966 }
77