GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item_mem.cc
Date: 2026-04-05 02:35:23
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 3223522 void ItemAllocator::Free(void *ptr) {
17 3223522 const MutexLockGuard guard(lock_);
18
19 3233560 MallocArena *M = MallocArena::GetMallocArena(ptr, kArenaSize);
20
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 3233560 M->Free(ptr);
21 3233560 const unsigned N = malloc_arenas_.size();
22
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 3233560 if ((N > 1) && M->IsEmpty()) {
23
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 23 for (unsigned i = 0; i < N; ++i) {
24
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 23 if (malloc_arenas_[i] == M) {
25
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 15 delete malloc_arenas_[i];
26 15 atomic_xadd64(&total_allocated_, -static_cast<int>(kArenaSize));
27
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 15 malloc_arenas_.erase(malloc_arenas_.begin() + i);
28 15 idx_last_arena_ = 0;
29 15 return;
30 }
31 }
32 ✗ PANIC(NULL);
33 }
34
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 3233560 }
35
36
37 843 ItemAllocator::ItemAllocator() : idx_last_arena_(0) {
38 843 const int retval = pthread_mutex_init(&lock_, NULL);
39
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 843 assert(retval == 0);
40
41
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 843 malloc_arenas_.push_back(new MallocArena(kArenaSize));
42 843 atomic_xadd64(&total_allocated_, kArenaSize);
43 843 }
44
45
46 842 ItemAllocator::~ItemAllocator() {
47
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 1684 for (unsigned i = 0; i < malloc_arenas_.size(); ++i) {
48 842 atomic_xadd64(&total_allocated_, -static_cast<int>(kArenaSize));
49
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 842 delete malloc_arenas_[i];
50 }
51 842 pthread_mutex_destroy(&lock_);
52 842 }
53
54
55 3216877 void *ItemAllocator::Malloc(unsigned size) {
56 3216877 const MutexLockGuard guard(lock_);
57
58
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 3233560 void *p = malloc_arenas_[idx_last_arena_]->Malloc(size);
59
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 3233560 if (p != NULL)
60 3233541 return p;
61 19 const unsigned N = malloc_arenas_.size();
62
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 38 for (unsigned i = 0; i < N; ++i) {
63
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 23 p = malloc_arenas_[i]->Malloc(size);
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 23 if (p != NULL) {
65 4 idx_last_arena_ = i;
66 4 return p;
67 }
68 }
69 15 idx_last_arena_ = N;
70
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 15 MallocArena *M = new MallocArena(kArenaSize);
71 15 atomic_xadd64(&total_allocated_, kArenaSize);
72
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 15 malloc_arenas_.push_back(M);
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 15 p = M->Malloc(size);
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 15 assert(p != NULL);
75 15 return p;
76 3233560 }
77