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cjihrig
a803bcaab8
This commit uses the new uv_os_getpid() method to retrieve the current process id. PR-URL: https://github.com/nodejs/node/pull/17415 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Jon Moss <me@jonathanmoss.me> Reviewed-By: Khaidi Chu <i@2333.moe>
122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "string_bytes.h"
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#include "node_buffer.h"
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#include "node_internals.h"
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#include "uv.h"
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#include <stdio.h>
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namespace node {
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using v8::Isolate;
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using v8::Local;
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using v8::String;
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using v8::Value;
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template <typename T>
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static void MakeUtf8String(Isolate* isolate,
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Local<Value> value,
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T* target) {
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Local<String> string = value->ToString(isolate);
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if (string.IsEmpty())
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return;
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const size_t storage = StringBytes::StorageSize(isolate, string, UTF8) + 1;
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target->AllocateSufficientStorage(storage);
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const int flags =
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String::NO_NULL_TERMINATION | String::REPLACE_INVALID_UTF8;
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const int length = string->WriteUtf8(target->out(), storage, 0, flags);
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target->SetLengthAndZeroTerminate(length);
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}
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Utf8Value::Utf8Value(Isolate* isolate, Local<Value> value) {
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if (value.IsEmpty())
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return;
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MakeUtf8String(isolate, value, this);
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}
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TwoByteValue::TwoByteValue(Isolate* isolate, Local<Value> value) {
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if (value.IsEmpty()) {
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return;
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}
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Local<String> string = value->ToString(isolate);
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if (string.IsEmpty())
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return;
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// Allocate enough space to include the null terminator
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const size_t storage = string->Length() + 1;
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AllocateSufficientStorage(storage);
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const int flags = String::NO_NULL_TERMINATION;
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const int length = string->Write(out(), 0, storage, flags);
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SetLengthAndZeroTerminate(length);
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}
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BufferValue::BufferValue(Isolate* isolate, Local<Value> value) {
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// Slightly different take on Utf8Value. If value is a String,
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// it will return a Utf8 encoded string. If value is a Buffer,
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// it will copy the data out of the Buffer as is.
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if (value.IsEmpty()) {
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// Dereferencing this object will return nullptr.
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Invalidate();
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return;
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}
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if (value->IsString()) {
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MakeUtf8String(isolate, value, this);
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} else if (Buffer::HasInstance(value)) {
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const size_t len = Buffer::Length(value);
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// Leave place for the terminating '\0' byte.
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AllocateSufficientStorage(len + 1);
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memcpy(out(), Buffer::Data(value), len);
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SetLengthAndZeroTerminate(len);
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} else {
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Invalidate();
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}
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}
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void LowMemoryNotification() {
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if (v8_initialized) {
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auto isolate = v8::Isolate::GetCurrent();
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if (isolate != nullptr) {
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isolate->LowMemoryNotification();
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}
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}
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}
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std::string GetHumanReadableProcessName() {
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char name[1024];
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GetHumanReadableProcessName(&name);
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return name;
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}
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void GetHumanReadableProcessName(char (*name)[1024]) {
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char title[1024] = "Node.js";
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uv_get_process_title(title, sizeof(title));
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snprintf(*name, sizeof(*name), "%s[%u]", title, uv_os_getpid());
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}
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} // namespace node
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