diff options
Diffstat (limited to 'core/libdeno')
| -rw-r--r-- | core/libdeno/api.cc | 1 | ||||
| -rw-r--r-- | core/libdeno/internal.h | 13 |
2 files changed, 12 insertions, 2 deletions
diff --git a/core/libdeno/api.cc b/core/libdeno/api.cc index ad9c2a574..53dad58e6 100644 --- a/core/libdeno/api.cc +++ b/core/libdeno/api.cc @@ -101,6 +101,7 @@ deno_snapshot deno_snapshot_new(Deno* d_) { auto blob = d->snapshot_creator_->CreateBlob( v8::SnapshotCreator::FunctionCodeHandling::kKeep); + d->has_snapshotted_ = true; return {reinterpret_cast<uint8_t*>(const_cast<char*>(blob.data)), blob.raw_size}; } diff --git a/core/libdeno/internal.h b/core/libdeno/internal.h index ce8c63c56..0f4df9908 100644 --- a/core/libdeno/internal.h +++ b/core/libdeno/internal.h @@ -38,7 +38,8 @@ class DenoIsolate { recv_cb_(config.recv_cb), next_zero_copy_id_(1), // zero_copy_id must not be zero. user_data_(nullptr), - resolve_cb_(nullptr) { + resolve_cb_(nullptr), + has_snapshotted_(false) { array_buffer_allocator_ = v8::ArrayBuffer::Allocator::NewDefaultAllocator(); if (config.load_snapshot.data_ptr) { snapshot_.data = @@ -53,7 +54,14 @@ class DenoIsolate { delete locker_; } if (snapshot_creator_) { - delete snapshot_creator_; + // TODO(ry) V8 has a strange assert which prevents a SnapshotCreator from + // being deallocated if it hasn't created a snapshot yet. + // https://github.com/v8/v8/blob/73212783fbd534fac76cc4b66aac899c13f71fc8/src/api.cc#L603 + // If that assert is removed, this if guard could be removed. + // WARNING: There may be false positive LSAN errors here. + if (has_snapshotted_) { + delete snapshot_creator_; + } } else { isolate_->Dispose(); } @@ -120,6 +128,7 @@ class DenoIsolate { v8::StartupData snapshot_; v8::Persistent<v8::ArrayBuffer> global_import_buf_; v8::Persistent<v8::SharedArrayBuffer> shared_ab_; + bool has_snapshotted_; }; class UserDataScope { |