lib/asan/asan_allocator.cpp

318   void CheckOptions(const AllocatorOptions &options) const {
319     CHECK_GE(options.min_redzone, 16);
320     CHECK_GE(options.max_redzone, options.min_redzone);
321     CHECK_LE(options.max_redzone, 2048);
322     CHECK(IsPowerOfTwo(options.min_redzone));
323     CHECK(IsPowerOfTwo(options.max_redzone));
326   void SharedInitCode(const AllocatorOptions &options) {
327     CheckOptions(options);
328     quarantine.Init((uptr)options.quarantine_size_mb << 20,
329                     (uptr)options.thread_local_quarantine_size_kb << 10);
330     atomic_store(&alloc_dealloc_mismatch, options.alloc_dealloc_mismatch,
332     atomic_store(&min_redzone, options.min_redzone, memory_order_release);
333     atomic_store(&max_redzone, options.max_redzone, memory_order_release);
336   void InitLinkerInitialized(const AllocatorOptions &options) {
337     SetAllocatorMayReturnNull(options.may_return_null);
338     allocator.InitLinkerInitialized(options.release_to_os_interval_ms);
339     SharedInitCode(options);
372   void ReInitialize(const AllocatorOptions &options) {
373     SetAllocatorMayReturnNull(options.may_return_null);
374     allocator.SetReleaseToOSIntervalMs(options.release_to_os_interval_ms);
375     SharedInitCode(options);
389   void GetOptions(AllocatorOptions *options) const {
390     options->quarantine_size_mb = quarantine.GetSize() >> 20;
391     options->thread_local_quarantine_size_kb = quarantine.GetCacheSize() >> 10;
392     options->min_redzone = atomic_load(&min_redzone, memory_order_acquire);
393     options->max_redzone = atomic_load(&max_redzone, memory_order_acquire);
394     options->may_return_null = AllocatorMayReturnNull();
395     options->alloc_dealloc_mismatch =
397     options->release_to_os_interval_ms = allocator.ReleaseToOSIntervalMs();
915 void InitializeAllocator(const AllocatorOptions &options) {
916   instance.InitLinkerInitialized(options);
919 void ReInitializeAllocator(const AllocatorOptions &options) {
920   instance.ReInitialize(options);
923 void GetAllocatorOptions(AllocatorOptions *options) {
924   instance.GetOptions(options);