async_hooks: enable runtime checks by default
Ref: https://github.com/nodejs/node/pull/15454 PR-URL: https://github.com/nodejs/node/pull/16318 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Refael Ackermann <refack@gmail.com>
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@ -208,13 +208,13 @@ added: v2.1.0
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Prints a stack trace whenever synchronous I/O is detected after the first turn
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of the event loop.
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### `--force-async-hooks-checks`
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### `--no-force-async-hooks-checks`
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<!-- YAML
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added: REPLACEME
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-->
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Enables runtime checks for `async_hooks`. These can also be enabled dynamically
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by enabling one of the `async_hooks` hooks.
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Disables runtime checks for `async_hooks`. These will still be enabled
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dynamically when `async_hooks` is enabled.
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### `--trace-events-enabled`
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<!-- YAML
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@ -153,9 +153,9 @@ Print a stack trace whenever synchronous I/O is detected after the first turn
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of the event loop.
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.TP
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.BR \-\-force\-async\-hooks\-checks
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Enables runtime checks for `async_hooks`. These can also be enabled dynamically
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by enabling one of the `async_hooks` hooks.
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.BR \-\-no\-force\-async\-hooks\-checks
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Disables runtime checks for `async_hooks`. These will still be enabled
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dynamically when `async_hooks` is enabled.
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.TP
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.BR \-\-trace\-events\-enabled
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@ -88,6 +88,13 @@ inline Environment::AsyncHooks::AsyncHooks(v8::Isolate* isolate)
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async_id_fields_(isolate, kUidFieldsCount) {
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v8::HandleScope handle_scope(isolate_);
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// Always perform async_hooks checks, not just when async_hooks is enabled.
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// TODO(AndreasMadsen): Consider removing this for LTS releases.
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// See discussion in https://github.com/nodejs/node/pull/15454
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// When removing this, do it by reverting the commit. Otherwise the test
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// and flag changes won't be included.
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fields_[kCheck] = 1;
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// kAsyncIdCounter should start at 1 because that'll be the id the execution
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// context during bootstrap (code that runs before entering uv_run()).
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async_id_fields_[AsyncHooks::kAsyncIdCounter] = 1;
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@ -129,9 +136,9 @@ inline v8::Local<v8::String> Environment::AsyncHooks::provider_string(int idx) {
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return providers_[idx].Get(isolate_);
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}
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inline void Environment::AsyncHooks::force_checks() {
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// fields_ does not have the += operator defined
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fields_[kCheck] = fields_[kCheck] + 1;
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inline void Environment::AsyncHooks::no_force_checks() {
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// fields_ does not have the -= operator defined
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fields_[kCheck] = fields_[kCheck] - 1;
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}
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inline void Environment::AsyncHooks::push_async_ids(double async_id,
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@ -410,7 +410,7 @@ class Environment {
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inline v8::Local<v8::String> provider_string(int idx);
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inline void force_checks();
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inline void no_force_checks();
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inline void push_async_ids(double async_id, double trigger_async_id);
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inline bool pop_async_id(double async_id);
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16
src/node.cc
16
src/node.cc
@ -173,7 +173,7 @@ static bool syntax_check_only = false;
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static bool trace_deprecation = false;
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static bool throw_deprecation = false;
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static bool trace_sync_io = false;
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static bool force_async_hooks_checks = false;
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static bool no_force_async_hooks_checks = false;
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static bool track_heap_objects = false;
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static const char* eval_string = nullptr;
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static std::vector<std::string> preload_modules;
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@ -3899,8 +3899,8 @@ static void PrintHelp() {
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" stderr\n"
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" --trace-sync-io show stack trace when use of sync IO\n"
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" is detected after the first tick\n"
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" --force-async-hooks-checks\n"
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" enables checks for async_hooks\n"
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" --no-force-async-hooks-checks\n"
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" disable checks for async_hooks\n"
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" --trace-events-enabled track trace events\n"
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" --trace-event-categories comma separated list of trace event\n"
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" categories to record\n"
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@ -4026,7 +4026,7 @@ static void CheckIfAllowedInEnv(const char* exe, bool is_env,
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"--trace-warnings",
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"--redirect-warnings",
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"--trace-sync-io",
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"--force-async-hooks-checks",
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"--no-force-async-hooks-checks",
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"--trace-events-enabled",
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"--trace-events-categories",
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"--track-heap-objects",
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@ -4165,8 +4165,8 @@ static void ParseArgs(int* argc,
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trace_deprecation = true;
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} else if (strcmp(arg, "--trace-sync-io") == 0) {
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trace_sync_io = true;
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} else if (strcmp(arg, "--force-async-hooks-checks") == 0) {
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force_async_hooks_checks = true;
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} else if (strcmp(arg, "--no-force-async-hooks-checks") == 0) {
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no_force_async_hooks_checks = true;
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} else if (strcmp(arg, "--trace-events-enabled") == 0) {
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trace_enabled = true;
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} else if (strcmp(arg, "--trace-event-categories") == 0) {
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@ -4815,8 +4815,8 @@ inline int Start(Isolate* isolate, IsolateData* isolate_data,
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env.set_abort_on_uncaught_exception(abort_on_uncaught_exception);
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if (force_async_hooks_checks) {
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env.async_hooks()->force_checks();
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if (no_force_async_hooks_checks) {
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env.async_hooks()->no_force_checks();
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}
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{
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@ -1,25 +0,0 @@
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const async_hooks = require('async_hooks');
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const spawnSync = require('child_process').spawnSync;
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// disabling this way will just decrement the kCheck counter. It won't actually
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// disable the checks, because they were enabled with the flag.
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common.revert_force_async_hooks_checks();
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switch (process.argv[2]) {
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case 'test_invalid_async_id':
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async_hooks.emitInit();
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return;
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}
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assert.ok(!process.argv[2]);
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const c1 = spawnSync(process.execPath, [
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'--force-async-hooks-checks', __filename, 'test_invalid_async_id'
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]);
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assert.strictEqual(
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c1.stderr.toString().split(/[\r\n]+/g)[0],
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'RangeError [ERR_INVALID_ASYNC_ID]: Invalid asyncId value: undefined');
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assert.strictEqual(c1.status, 1);
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@ -1,18 +1,10 @@
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'use strict';
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// Flags: --expose-internals
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// Flags: --no-force-async-hooks-checks --expose-internals
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const common = require('../common');
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const async_hooks = require('async_hooks');
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const internal = require('internal/process/next_tick');
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// In tests async_hooks dynamic checks are enabled by default. To verify
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// that no checks are enabled ordinarily disable the checks in this test.
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common.revert_force_async_hooks_checks();
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// When async_hooks is diabled (or never enabled), the checks
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// should be disabled as well. This is important while async_hooks is
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// experimental and there are still critial bugs to fix.
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// Using undefined as the triggerAsyncId.
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// Ref: https://github.com/nodejs/node/issues/14386
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// Ref: https://github.com/nodejs/node/issues/14381
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@ -65,17 +65,6 @@ exports.projectDir = path.resolve(__dirname, '..', '..');
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exports.buildType = process.config.target_defaults.default_configuration;
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// Always enable async_hooks checks in tests
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{
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const async_wrap = process.binding('async_wrap');
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const { kCheck } = async_wrap.constants;
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async_wrap.async_hook_fields[kCheck] += 1;
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exports.revert_force_async_hooks_checks = function() {
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async_wrap.async_hook_fields[kCheck] -= 1;
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};
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}
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// If env var is set then enable async_hook hooks for all tests.
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if (process.env.NODE_TEST_WITH_ASYNC_HOOKS) {
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const destroydIdsList = {};
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