Merge pull request #3234 from MicrosoftDocs/master

10/23/2020 AM Publish

Author: Taojunshen

docs/build/pgosweep.md

@@ -1,52 +1,64 @@
 ---
 title: "pgosweep"
-ms.date: "03/14/2018"
+description: "Use the pgosweep command to write profile data to a PGC file for use in profile-guided optimization."
+ms.date: 10/23/2020
 helpviewer_keywords: ["pgosweep program", "profile-guided optimizations, pgosweep"]
-ms.assetid: f39dd3b7-1cd9-4c3b-8e8b-fb794744b757
 ---
 # pgosweep
 
-Used in profile-guided optimization to write all profile data from a running program to the .pgc file.
+Used in profile-guided optimization to write all profile data from a running program to the PGC file.
 
 ## Syntax
 
-> **pgosweep** [*options*] *image* *pgcfile*
+> **`pgosweep`** [*options*] *image* *pgcfile*
 
 ### Parameters
 
-*options*<br/>
+*options*\
 (Optional) The valid values for *options* are:
 
-- **/?** or **/help** displays the help message.
+- **`/?`** or **`/help`** displays the help message.
 
-- **/noreset** preserves the count in the runtime data structures.
+- **`/reset`** resets counts to zero after sweep. This behavior is the default.
 
-*image*<br/>
-The full path of an .exe or .dll file that was created by using the [/GENPROFILE](reference/genprofile-fastgenprofile-generate-profiling-instrumented-build.md), [/FASTGENPROFILE](reference/genprofile-fastgenprofile-generate-profiling-instrumented-build.md), or [/LTCG:PGINSTRUMENT](reference/ltcg-link-time-code-generation.md) option.
+- **`/pid:n`** only sweeps the specified PID, where *n* is the PID number.
 
-*pgcfile*<br/>
-The .pgc file where this command writes out the data counts.
+- **`/wait`** waits for the specified PID to terminate before collecting counts.
+
+- **`/onlyzero`** doesn't save a PGC file, only zero counts.
+
+- **`/pause`** pauses count collection on the system.
+
+- **`/resume`** resumes count collection on the system.
+
+- **`/noreset`** preserves the count in the runtime data structures.
+
+*image*\
+The full path of an EXE or DLL file that was created by using the [`/GENPROFILE`](reference/genprofile-fastgenprofile-generate-profiling-instrumented-build.md), [`/FASTGENPROFILE`](reference/genprofile-fastgenprofile-generate-profiling-instrumented-build.md), or [`/LTCG:PGINSTRUMENT`](reference/ltcg-link-time-code-generation.md) option.
+
+*pgcfile*\
+The PGC file where this command writes out the data counts.
 
 ## Remarks
 
-The **pgosweep** command works on programs that were built by using the [/GENPROFILE or /FASTGENPROFILE](reference/genprofile-fastgenprofile-generate-profiling-instrumented-build.md) option, or the deprecated [/LTCG:PGINSTRUMENT](reference/ltcg-link-time-code-generation.md) option. It interrupts a running program and writes the profile data to a new .pgc file. By default, the command resets counts after each write operation. If you specify the **/noreset** option, the command will record the values, but not reset them in the running program. This option gives you duplicate data if you retrieve the profile data later.
+The **`pgosweep`** command works on programs that were built by using the [`/GENPROFILE` or `/FASTGENPROFILE`](reference/genprofile-fastgenprofile-generate-profiling-instrumented-build.md) option, or the deprecated [`/LTCG:PGINSTRUMENT`](reference/ltcg-link-time-code-generation.md) option. It interrupts a running program and writes the profile data to a new PGC file. By default, the command resets counts after each write operation. If you specify the **`/noreset`** option, the command will record the values, but not reset them in the running program. This option gives you duplicate data if you retrieve the profile data later.
 
-An alternative use for **pgosweep** is to retrieve profile information just for the normal operation of the application. For example, you could run **pgosweep** shortly after you start the application and discard that file. This would remove profile data associated with startup costs. Then, you can run **pgosweep** before ending the application. Now the collected data has profile information only from the time the user could interact with the program.
+An alternative use for **`pgosweep`** is to retrieve profile information just for the normal operation of the application. For example, you could run **`pgosweep`** shortly after you start the application and discard that file. This command would remove profile data associated with startup costs. Then, you can run **`pgosweep`** before ending the application. Now the collected data has profile information only from the time the user could interact with the program.
 
-When you name a .pgc file (by using the *pgcfile* parameter) you can use the standard format, which is *appname!n*.pgc. If you use this format, the compiler automatically finds this data in the **/LTCG /USEPROFILE** or **/LTCG:PGO** phase. If you do not use the standard format, you must use [pgomgr](pgomgr.md) to merge the .pgc files.
+When you name a PGC file (by using the *pgcfile* parameter) you can use the standard format, which is *`appname!n.pgc`*. The *n* represents an increasing numeric value for each file. If you use this format, the compiler automatically finds this data in the **`/LTCG /USEPROFILE`** or **`/LTCG:PGO`** phase. If you don't use the standard format, you must use [`pgomgr`](pgomgr.md) to merge the PGC files.
 
 > [!NOTE]
-> You can start this tool only from a Visual Studio developer command prompt. You cannot start it from a system command prompt or from File Explorer.
+> You can start this tool only from a Visual Studio developer command prompt. You can't start it from a system command prompt or from File Explorer.
 
-For information on how to capture the profile data from within your executable, see [PgoAutoSweep](pgoautosweep.md).
+For information on how to capture the profile data from within your executable, see [`PgoAutoSweep`](pgoautosweep.md).
 
 ## Example
 
-In this example command, **pgosweep** writes the current profile information for myapp.exe to myapp!1.pgc.
+In this example command, **`pgosweep`** writes the current profile information for *`myapp.exe`* to *`myapp!1.pgc`*.
 
 `pgosweep myapp.exe myapp!1.pgc`
 
 ## See also
 
-[Profile-Guided Optimizations](profile-guided-optimizations.md)<br/>
-[PgoAutoSweep](pgoautosweep.md)<br/>
+[Profile-Guided Optimizations](profile-guided-optimizations.md)\
+[PgoAutoSweep](pgoautosweep.md)

docs/code-quality/c26400.md

@@ -1,22 +1,21 @@
 ---
 title: C26400
-ms.date: 08/02/2017
-ms.topic: "conceptual"
+description: "Describes the Microsoft C/C++ code analysis warning C26400, its causes, and how to address it."
+ms.date: 10/23/2020
 f1_keywords: ["C26400"]
 helpviewer_keywords: ["C26400"]
-ms.assetid: b27e1c6d-8b52-40b3-9760-b93afef19c7a
 ---
 # C26400 NO_RAW_POINTER_ASSIGNMENT
 
-This check helps to enforce the *rule I.11: Never transfer ownership by a raw pointer (T\*)*, which is a subset of the rule *R.3: A raw pointer (a T\*) is non-owning.* Specifically, it warns on any call to operator `new` which saves its result in a variable of raw pointer type. It also warns on calls to functions that return `gsl::owner<T>` if their results are assigned to raw pointers. The idea here is that you should clearly state ownership of memory resources. For more information, see the [C++ Core Guidelines](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#r-resource-management).
+This check helps to enforce the *rule I.11: Never transfer ownership by a raw pointer (T\*)*, which is a subset of the rule *R.3: A raw pointer (a T\*) is non-owning*. Specifically, it warns on any call to `operator new`, which saves its result in a variable of raw pointer type. It also warns on calls to functions that return `gsl::owner<T>` if their results are assigned to raw pointers. The idea here is that you should clearly state ownership of memory resources. For more information, see the [C++ Core Guidelines](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#r-resource-management).
 
-The easiest way to fix this is to use **`auto`** declaration if the resource is assigned immediately at the variable declaration. If this is not possible, then we suggest that you use the type `gsl::owner<T>`. The **`auto`** declarations initialized with operator **`new`** are "owners" because we assume that the result of any allocation is implicitly an owner pointer. We transfer this assumption to the **`auto`** variable and treat it as `owner<T>`.
+The easiest way to fix this warning is to use **`auto`** declaration if the resource is assigned immediately at the variable declaration. If this fix isn't possible, then we suggest that you use the type `gsl::owner<T>`. The **`auto`** declarations initialized with operator **`new`** are "owners" because we assume that the result of any allocation is implicitly an owner pointer. We transfer this assumption to the **`auto`** variable and treat it as `owner<T>`.
 
-If this check flags a call to a function which returns `owner<T>`, this may be an indication of a legitimate bug in code. Basically, it points to a place where the code leaks an explicit notion of ownership (and maybe the resource itself).
+If this check flags a call to a function that returns `owner<T>`, it may be an indication of a legitimate bug in the code. Basically, it points to a place where the code leaks an explicit notion of ownership (and maybe the resource itself).
 
 ## Remarks
 
-This rule currently checks only local variables. If allocation is assigned to a formal parameter, global variable, class member, and so on, it is not flagged. Appropriate coverage of such scenarios is a part of future work.
+This rule currently checks only local variables. If you assign an allocation to a formal parameter, global variable, class member, and so on, it's not flagged. Appropriate coverage of such scenarios is planned for future work.
 
 ## Example 1: Simple allocation
 
@@ -28,15 +27,18 @@ else
     buffer = new char[bufferSize];  // C26400
 ```
 
-## Example 2: Simple allocation (fixed with gsl::owner\<T>)
+## Example 2: Simple allocation (fixed with `gsl::owner<T>`)
 
 ```cpp
 gsl::owner<char*> buffer = nullptr;
 if (useCache)
     buffer = GetCache();
 else
     buffer = new char[bufferSize];  // OK
+```
+
+## Example 3: Simple allocation (fixed with `auto`)
 
-Example 3: Simple allocation (fixed with auto)
+```cpp
 auto buffer = useCache ? GetCache() : new char[bufferSize]; // OK
 ```

docs/code-quality/c28230.md

@@ -1,6 +1,7 @@
 ---
 title: C28230
-ms.date: 11/04/2016
+description: "Understand the causes of Microsoft C/C++ code analysis warning C28230, and learn how to fix them."
+ms.date: 10/23/2020
 ms.topic: reference
 f1_keywords: ["C28230"]
 helpviewer_keywords: ["C28230"]
@@ -24,7 +25,7 @@ struct MyStruct
 };
 
 // Oops, the name of the member is spelled wrong so it will not be found
-void f(_Out_writes_(value.usefulMember) int *buffer, MyStruct value)
+void f(_Out_writes_(value.usefulmember) int *buffer, MyStruct value)
 {
   for(int i = 0 ; i < value.usefulMember; i++)
   {

docs/code-quality/c6308.md

@@ -1,6 +1,7 @@
 ---
 title: C6308
-ms.date: 11/04/2016
+description: "Understand the causes of Microsoft C/C++ code analysis warning C6308, and learn how to fix them."
+ms.date: 10/23/2020
 ms.topic: reference
 f1_keywords: ["C6308"]
 helpviewer_keywords: ["C6308"]
@@ -52,6 +53,7 @@ void f()
     {
       x = tmp;
     }
+    // code...
     free(x);
   }
 }

docs/cppcx/wrl/how-to-create-a-classic-com-component-using-wrl.md

@@ -1,8 +1,8 @@
 ---
 title: "How to: Create a Classic COM Component Using WRL"
-ms.date: "11/04/2016"
+description: "Use the Windows Runtime C++ Template Library (WRL) to create basic classic COM components for use in desktop apps."
+ms.date: 10/23/2020
 ms.topic: "reference"
-ms.assetid: 5efe7690-90d5-4c3c-9e53-11a14cefcb19
 ---
 # How to: Create a Classic COM Component Using WRL
 
@@ -30,7 +30,7 @@ This document shows how to use the Windows Runtime C++ Template Library to creat
 
    [!code-cpp[wrl-classic-com-component#3](../codesnippet/CPP/how-to-create-a-classic-com-component-using-wrl_3.cpp)]
 
-7. Add a **Module-Definition File (.def)** file to the project. Name the file, for example, `CalculatorComponent.def`. This file gives the linker the names of the functions to be exported.
+7. Add a **Module-Definition File (.def)** file to the project. Name the file, for example, `CalculatorComponent.def`. This file gives the linker the names of the functions to be exported. Open the **Property Pages** dialog for your project, then under **Configuration Properties** > **Linker** > **Input**, set the **Module Definition File** property to your DEF file.
 
 8. Add this code to CalculatorComponent.def:
 
@@ -43,7 +43,7 @@ This document shows how to use the Windows Runtime C++ Template Library to creat
         DllCanUnloadNow         PRIVATE
     ```
 
-9. Add runtimeobject.lib to the linker line. To learn how, see [.Lib Files as Linker Input](../../build/reference/dot-lib-files-as-linker-input.md).
+9. Add runtimeobject.lib to the linker line. To learn how, see [`.Lib` Files as Linker Input](../../build/reference/dot-lib-files-as-linker-input.md).
 
 ### To consume the COM component from a desktop app
 

docs/windows/universal-crt-deployment.md

@@ -1,13 +1,14 @@
 ---
 title: "Universal CRT deployment"
-ms.date: "05/11/2018"
+description: "Learn how, when, and where to deploy the Universal CRT library for your app."
+ms.date: 10/23/2020
 helpviewer_keywords: ["deploying the CRT [C++]", "application CRT deployment [C++]"]
 ---
 # Universal CRT deployment
 
 From Visual Studio .NET through Visual Studio 2013, each major release of the C++ compiler and tools has included a new, standalone version of the Microsoft C Runtime (CRT) library. These standalone versions of the CRT were independent from, and to various degrees, incompatible with each other. For example, the CRT library used by Visual Studio 2012 was version 11, named msvcr110.dll, and the CRT used by Visual Studio 2013 was version 12, named msvcr120.dll. Beginning in Visual Studio 2015, it's no longer the case. Visual Studio 2015 and later versions of Visual Studio all use one Universal CRT.
 
-The Universal CRT is a Microsoft Windows operating system component included as part of the operating system in Windows 10. It's available for older operating systems, Windows Vista through Windows 8.1, by using Windows Update. Local deployment of the Universal CRT is supported, with some restrictions.
+The Universal CRT (UCRT) is a Microsoft Windows operating system component. It's included as part of the operating system in Windows 10 and Windows Server 2016 or later. The UCRT is available by using Windows Update on older operating systems that are still in extended support. Local deployment of the Universal CRT is supported, with some restrictions.
 
 ## Central deployment