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Diffstat (limited to 'lib/scudo/scudo_allocator.cpp')
-rw-r--r--lib/scudo/scudo_allocator.cpp18
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/scudo/scudo_allocator.cpp b/lib/scudo/scudo_allocator.cpp
index a6d6aafe3..dab6abedc 100644
--- a/lib/scudo/scudo_allocator.cpp
+++ b/lib/scudo/scudo_allocator.cpp
@@ -354,6 +354,8 @@ struct Allocator {
// Helper function that checks for a valid Scudo chunk.
bool isValidPointer(const void *UserPtr) {
+ if (UNLIKELY(!ThreadInited))
+ initThread();
uptr ChunkBeg = reinterpret_cast<uptr>(UserPtr);
if (!IsAligned(ChunkBeg, MinAlignment)) {
return false;
@@ -580,6 +582,14 @@ struct Allocator {
AllocatorQuarantine.Drain(&ThreadQuarantineCache,
QuarantineCallback(&Cache));
}
+
+ uptr getStats(AllocatorStat StatType) {
+ if (UNLIKELY(!ThreadInited))
+ initThread();
+ uptr stats[AllocatorStatCount];
+ BackendAllocator.GetStats(stats);
+ return stats[StatType];
+ }
};
static Allocator Instance(LINKER_INITIALIZED);
@@ -664,15 +674,11 @@ using namespace __scudo;
// MallocExtension helper functions
uptr __sanitizer_get_current_allocated_bytes() {
- uptr stats[AllocatorStatCount];
- getAllocator().GetStats(stats);
- return stats[AllocatorStatAllocated];
+ return Instance.getStats(AllocatorStatAllocated);
}
uptr __sanitizer_get_heap_size() {
- uptr stats[AllocatorStatCount];
- getAllocator().GetStats(stats);
- return stats[AllocatorStatMapped];
+ return Instance.getStats(AllocatorStatMapped);
}
uptr __sanitizer_get_free_bytes() {