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Unified Diff: base/process/process_win.cc

Issue 1446363003: Deleted OS_WIN and all Windows specific files from base. (Closed) Base URL: https://github.com/domokit/mojo.git@base_tests
Patch Set: Created 5 years, 1 month ago
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Index: base/process/process_win.cc
diff --git a/base/process/process_win.cc b/base/process/process_win.cc
deleted file mode 100644
index 2ad72c706b0549b9dbc544b686eac2658f0ab571..0000000000000000000000000000000000000000
--- a/base/process/process_win.cc
+++ /dev/null
@@ -1,206 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/process/process.h"
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/metrics/field_trial.h"
-#include "base/numerics/safe_conversions.h"
-#include "base/process/kill.h"
-#include "base/win/windows_version.h"
-
-namespace {
-
-DWORD kBasicProcessAccess =
- PROCESS_TERMINATE | PROCESS_QUERY_INFORMATION | SYNCHRONIZE;
-
-} // namespace
-
-namespace base {
-
-Process::Process(ProcessHandle handle)
- : is_current_process_(false),
- process_(handle) {
- CHECK_NE(handle, ::GetCurrentProcess());
-}
-
-Process::Process(RValue other)
- : is_current_process_(other.object->is_current_process_),
- process_(other.object->process_.Take()) {
- other.object->Close();
-}
-
-Process::~Process() {
-}
-
-Process& Process::operator=(RValue other) {
- if (this != other.object) {
- process_.Set(other.object->process_.Take());
- is_current_process_ = other.object->is_current_process_;
- other.object->Close();
- }
- return *this;
-}
-
-// static
-Process Process::Current() {
- Process process;
- process.is_current_process_ = true;
- return process.Pass();
-}
-
-// static
-Process Process::Open(ProcessId pid) {
- return Process(::OpenProcess(kBasicProcessAccess, FALSE, pid));
-}
-
-// static
-Process Process::OpenWithExtraPrivileges(ProcessId pid) {
- DWORD access = kBasicProcessAccess | PROCESS_DUP_HANDLE | PROCESS_VM_READ;
- return Process(::OpenProcess(access, FALSE, pid));
-}
-
-// static
-Process Process::OpenWithAccess(ProcessId pid, DWORD desired_access) {
- return Process(::OpenProcess(desired_access, FALSE, pid));
-}
-
-// static
-Process Process::DeprecatedGetProcessFromHandle(ProcessHandle handle) {
- DCHECK_NE(handle, ::GetCurrentProcess());
- ProcessHandle out_handle;
- if (!::DuplicateHandle(GetCurrentProcess(), handle,
- GetCurrentProcess(), &out_handle,
- 0, FALSE, DUPLICATE_SAME_ACCESS)) {
- return Process();
- }
- return Process(out_handle);
-}
-
-// static
-bool Process::CanBackgroundProcesses() {
- return true;
-}
-
-bool Process::IsValid() const {
- return process_.IsValid() || is_current();
-}
-
-ProcessHandle Process::Handle() const {
- return is_current_process_ ? GetCurrentProcess() : process_.Get();
-}
-
-Process Process::Duplicate() const {
- if (is_current())
- return Current();
-
- ProcessHandle out_handle;
- if (!IsValid() || !::DuplicateHandle(GetCurrentProcess(),
- Handle(),
- GetCurrentProcess(),
- &out_handle,
- 0,
- FALSE,
- DUPLICATE_SAME_ACCESS)) {
- return Process();
- }
- return Process(out_handle);
-}
-
-ProcessId Process::Pid() const {
- DCHECK(IsValid());
- return GetProcId(Handle());
-}
-
-bool Process::is_current() const {
- return is_current_process_;
-}
-
-void Process::Close() {
- is_current_process_ = false;
- if (!process_.IsValid())
- return;
-
- process_.Close();
-}
-
-bool Process::Terminate(int exit_code, bool wait) const {
- DCHECK(IsValid());
- bool result = (::TerminateProcess(Handle(), exit_code) != FALSE);
- if (result && wait) {
- // The process may not end immediately due to pending I/O
- if (::WaitForSingleObject(Handle(), 60 * 1000) != WAIT_OBJECT_0)
- DPLOG(ERROR) << "Error waiting for process exit";
- } else if (!result) {
- DPLOG(ERROR) << "Unable to terminate process";
- }
- return result;
-}
-
-bool Process::WaitForExit(int* exit_code) {
- return WaitForExitWithTimeout(TimeDelta::FromMilliseconds(INFINITE),
- exit_code);
-}
-
-bool Process::WaitForExitWithTimeout(TimeDelta timeout, int* exit_code) {
- // Limit timeout to INFINITE.
- DWORD timeout_ms = saturated_cast<DWORD>(timeout.InMilliseconds());
- if (::WaitForSingleObject(Handle(), timeout_ms) != WAIT_OBJECT_0)
- return false;
-
- DWORD temp_code; // Don't clobber out-parameters in case of failure.
- if (!::GetExitCodeProcess(Handle(), &temp_code))
- return false;
-
- if (exit_code)
- *exit_code = temp_code;
- return true;
-}
-
-bool Process::IsProcessBackgrounded() const {
- DCHECK(IsValid());
- DWORD priority = GetPriority();
- if (priority == 0)
- return false; // Failure case.
- return ((priority == BELOW_NORMAL_PRIORITY_CLASS) ||
- (priority == IDLE_PRIORITY_CLASS));
-}
-
-bool Process::SetProcessBackgrounded(bool value) {
- DCHECK(IsValid());
- // Vista and above introduce a real background mode, which not only
- // sets the priority class on the threads but also on the IO generated
- // by it. Unfortunately it can only be set for the calling process.
- DWORD priority;
- if ((base::win::GetVersion() >= base::win::VERSION_VISTA) && (is_current())) {
- priority = value ? PROCESS_MODE_BACKGROUND_BEGIN :
- PROCESS_MODE_BACKGROUND_END;
- } else {
- // Experiment (http://crbug.com/458594) with using IDLE_PRIORITY_CLASS as a
- // background priority for background renderers (this code path is
- // technically for more than just the renderers but they're the only use
- // case in practice and experimenting here direclty is thus easier -- plus
- // it doesn't really hurt as above we already state our intent of using
- // PROCESS_MODE_BACKGROUND_BEGIN if available which is essentially
- // IDLE_PRIORITY_CLASS plus lowered IO priority). Enabled by default in the
- // asbence of field trials to get coverage on the perf waterfall.
- DWORD background_priority = IDLE_PRIORITY_CLASS;
- base::FieldTrial* trial =
- base::FieldTrialList::Find("BackgroundRendererProcesses");
- if (trial && trial->group_name() == "AllowBelowNormalFromBrowser")
- background_priority = BELOW_NORMAL_PRIORITY_CLASS;
-
- priority = value ? background_priority : NORMAL_PRIORITY_CLASS;
- }
-
- return (::SetPriorityClass(Handle(), priority) != 0);
-}
-
-int Process::GetPriority() const {
- DCHECK(IsValid());
- return ::GetPriorityClass(Handle());
-}
-
-} // namespace base
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