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>
This commit is contained in:
Andreas Madsen 2017-10-19 14:15:08 +02:00
parent 571c04b07a
commit 23a3911cb1
No known key found for this signature in database
GPG Key ID: 2FEE61B3C9E40F20
8 changed files with 26 additions and 63 deletions

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@ -208,13 +208,13 @@ added: v2.1.0
Prints a stack trace whenever synchronous I/O is detected after the first turn
of the event loop.
### `--force-async-hooks-checks`
### `--no-force-async-hooks-checks`
<!-- YAML
added: REPLACEME
-->
Enables runtime checks for `async_hooks`. These can also be enabled dynamically
by enabling one of the `async_hooks` hooks.
Disables runtime checks for `async_hooks`. These will still be enabled
dynamically when `async_hooks` is enabled.
### `--trace-events-enabled`
<!-- YAML

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@ -153,9 +153,9 @@ Print a stack trace whenever synchronous I/O is detected after the first turn
of the event loop.
.TP
.BR \-\-force\-async\-hooks\-checks
Enables runtime checks for `async_hooks`. These can also be enabled dynamically
by enabling one of the `async_hooks` hooks.
.BR \-\-no\-force\-async\-hooks\-checks
Disables runtime checks for `async_hooks`. These will still be enabled
dynamically when `async_hooks` is enabled.
.TP
.BR \-\-trace\-events\-enabled

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@ -88,6 +88,13 @@ inline Environment::AsyncHooks::AsyncHooks(v8::Isolate* isolate)
async_id_fields_(isolate, kUidFieldsCount) {
v8::HandleScope handle_scope(isolate_);
// Always perform async_hooks checks, not just when async_hooks is enabled.
// TODO(AndreasMadsen): Consider removing this for LTS releases.
// See discussion in https://github.com/nodejs/node/pull/15454
// When removing this, do it by reverting the commit. Otherwise the test
// and flag changes won't be included.
fields_[kCheck] = 1;
// kAsyncIdCounter should start at 1 because that'll be the id the execution
// context during bootstrap (code that runs before entering uv_run()).
async_id_fields_[AsyncHooks::kAsyncIdCounter] = 1;
@ -129,9 +136,9 @@ inline v8::Local<v8::String> Environment::AsyncHooks::provider_string(int idx) {
return providers_[idx].Get(isolate_);
}
inline void Environment::AsyncHooks::force_checks() {
// fields_ does not have the += operator defined
fields_[kCheck] = fields_[kCheck] + 1;
inline void Environment::AsyncHooks::no_force_checks() {
// fields_ does not have the -= operator defined
fields_[kCheck] = fields_[kCheck] - 1;
}
inline void Environment::AsyncHooks::push_async_ids(double async_id,

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@ -410,7 +410,7 @@ class Environment {
inline v8::Local<v8::String> provider_string(int idx);
inline void force_checks();
inline void no_force_checks();
inline void push_async_ids(double async_id, double trigger_async_id);
inline bool pop_async_id(double async_id);

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@ -173,7 +173,7 @@ static bool syntax_check_only = false;
static bool trace_deprecation = false;
static bool throw_deprecation = false;
static bool trace_sync_io = false;
static bool force_async_hooks_checks = false;
static bool no_force_async_hooks_checks = false;
static bool track_heap_objects = false;
static const char* eval_string = nullptr;
static std::vector<std::string> preload_modules;
@ -3899,8 +3899,8 @@ static void PrintHelp() {
" stderr\n"
" --trace-sync-io show stack trace when use of sync IO\n"
" is detected after the first tick\n"
" --force-async-hooks-checks\n"
" enables checks for async_hooks\n"
" --no-force-async-hooks-checks\n"
" disable checks for async_hooks\n"
" --trace-events-enabled track trace events\n"
" --trace-event-categories comma separated list of trace event\n"
" categories to record\n"
@ -4026,7 +4026,7 @@ static void CheckIfAllowedInEnv(const char* exe, bool is_env,
"--trace-warnings",
"--redirect-warnings",
"--trace-sync-io",
"--force-async-hooks-checks",
"--no-force-async-hooks-checks",
"--trace-events-enabled",
"--trace-events-categories",
"--track-heap-objects",
@ -4165,8 +4165,8 @@ static void ParseArgs(int* argc,
trace_deprecation = true;
} else if (strcmp(arg, "--trace-sync-io") == 0) {
trace_sync_io = true;
} else if (strcmp(arg, "--force-async-hooks-checks") == 0) {
force_async_hooks_checks = true;
} else if (strcmp(arg, "--no-force-async-hooks-checks") == 0) {
no_force_async_hooks_checks = true;
} else if (strcmp(arg, "--trace-events-enabled") == 0) {
trace_enabled = true;
} else if (strcmp(arg, "--trace-event-categories") == 0) {
@ -4815,8 +4815,8 @@ inline int Start(Isolate* isolate, IsolateData* isolate_data,
env.set_abort_on_uncaught_exception(abort_on_uncaught_exception);
if (force_async_hooks_checks) {
env.async_hooks()->force_checks();
if (no_force_async_hooks_checks) {
env.async_hooks()->no_force_checks();
}
{

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@ -1,25 +0,0 @@
'use strict';
const common = require('../common');
const assert = require('assert');
const async_hooks = require('async_hooks');
const spawnSync = require('child_process').spawnSync;
// disabling this way will just decrement the kCheck counter. It won't actually
// disable the checks, because they were enabled with the flag.
common.revert_force_async_hooks_checks();
switch (process.argv[2]) {
case 'test_invalid_async_id':
async_hooks.emitInit();
return;
}
assert.ok(!process.argv[2]);
const c1 = spawnSync(process.execPath, [
'--force-async-hooks-checks', __filename, 'test_invalid_async_id'
]);
assert.strictEqual(
c1.stderr.toString().split(/[\r\n]+/g)[0],
'RangeError [ERR_INVALID_ASYNC_ID]: Invalid asyncId value: undefined');
assert.strictEqual(c1.status, 1);

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@ -1,18 +1,10 @@
'use strict';
// Flags: --expose-internals
// Flags: --no-force-async-hooks-checks --expose-internals
const common = require('../common');
const async_hooks = require('async_hooks');
const internal = require('internal/process/next_tick');
// In tests async_hooks dynamic checks are enabled by default. To verify
// that no checks are enabled ordinarily disable the checks in this test.
common.revert_force_async_hooks_checks();
// When async_hooks is diabled (or never enabled), the checks
// should be disabled as well. This is important while async_hooks is
// experimental and there are still critial bugs to fix.
// Using undefined as the triggerAsyncId.
// Ref: https://github.com/nodejs/node/issues/14386
// Ref: https://github.com/nodejs/node/issues/14381

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@ -65,17 +65,6 @@ exports.projectDir = path.resolve(__dirname, '..', '..');
exports.buildType = process.config.target_defaults.default_configuration;
// Always enable async_hooks checks in tests
{
const async_wrap = process.binding('async_wrap');
const { kCheck } = async_wrap.constants;
async_wrap.async_hook_fields[kCheck] += 1;
exports.revert_force_async_hooks_checks = function() {
async_wrap.async_hook_fields[kCheck] -= 1;
};
}
// If env var is set then enable async_hook hooks for all tests.
if (process.env.NODE_TEST_WITH_ASYNC_HOOKS) {
const destroydIdsList = {};