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The shell was already designed to cleanly shut down the VM but it couldnt earlier as |Dart_Initialize| could never be called after a |Dart_Cleanup|. This meant that shutting down an engine instance could not shut down the VM to save memory because newly created engines in the process after that point couldn't restart the VM. There can only be one VM running in a process at a time. This patch separate the previous DartVM object into one that references a running instance of the DartVM and a set of immutable dependencies that components can reference even as the VM is shutting down. Unit tests have been added to assert that non-overlapping engine launches use difference VM instances.
115 lines
2.9 KiB
Plaintext
115 lines
2.9 KiB
Plaintext
# Copyright 2013 The Flutter Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import("//third_party/dart/runtime/bin/vmservice/vmservice_sources.gni")
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import("$flutter_root/common/config.gni")
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import("$flutter_root/testing/testing.gni")
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source_set("test_font") {
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sources = [
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"test_font_data.cc",
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"test_font_data.h",
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]
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deps = [
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"//third_party/skia",
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]
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public_configs = [ "$flutter_root:config" ]
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defines = []
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if (flutter_runtime_mode == "debug" || current_toolchain == host_toolchain) {
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# Though the test font data is small, we dont want to add to the binary size
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# on the device (in profile and release modes). We only add the same on the
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# host test shells and the debug device shell.
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defines += [ "EMBED_TEST_FONT_DATA=1" ]
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}
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}
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source_set("runtime") {
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sources = [
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"dart_isolate.cc",
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"dart_isolate.h",
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"dart_service_isolate.cc",
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"dart_service_isolate.h",
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"dart_snapshot.cc",
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"dart_snapshot.h",
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"dart_snapshot_buffer.cc",
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"dart_snapshot_buffer.h",
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"dart_vm.cc",
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"dart_vm.h",
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"dart_vm_data.cc",
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"dart_vm_data.h",
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"dart_vm_lifecycle.cc",
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"dart_vm_lifecycle.h",
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"embedder_resources.cc",
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"embedder_resources.h",
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"runtime_controller.cc",
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"runtime_controller.h",
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"runtime_delegate.cc",
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"runtime_delegate.h",
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"service_protocol.cc",
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"service_protocol.h",
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"start_up.cc",
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"start_up.h",
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]
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deps = [
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":test_font",
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"$flutter_root/assets",
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"$flutter_root/common",
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"$flutter_root/flow",
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"$flutter_root/fml",
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"$flutter_root/lib/io",
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"$flutter_root/lib/ui",
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"$flutter_root/third_party/txt",
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"//third_party/dart/runtime:dart_api",
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"//third_party/dart/runtime/bin:dart_io_api",
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"//third_party/skia",
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"//third_party/tonic",
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]
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public_deps = [
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"//third_party/rapidjson",
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]
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public_configs = [ "$flutter_root:config" ]
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if (flutter_runtime_mode != "release" &&
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flutter_runtime_mode != "dynamic_release" && !is_fuchsia) {
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# Only link in Observatory in non-release modes on non-Fuchsia. Fuchsia
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# instead puts Observatory into the runner's package.
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deps += [
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"//third_party/dart/runtime/observatory:embedded_observatory_archive",
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]
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}
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}
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test_fixtures("runtime_fixtures") {
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fixtures = [ "fixtures/simple_main.dart" ]
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}
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executable("runtime_unittests") {
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testonly = true
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sources = [
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"dart_isolate_unittests.cc",
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"dart_service_isolate_unittests.cc",
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"dart_vm_unittests.cc",
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]
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deps = [
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":runtime",
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":runtime_fixtures",
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"$flutter_root/fml",
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"$flutter_root/lib/snapshot",
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"$flutter_root/shell/common",
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"$flutter_root/testing",
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"//third_party/dart/runtime:libdart_jit",
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"//third_party/skia",
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"//third_party/tonic",
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]
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if (is_linux) {
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ldflags = [ "-rdynamic" ]
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}
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}
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