SvcBatch: Overview

SvcBatch is a program that allows users to run script files as Windows service.

The program's main goal is to run any application as a Windows service by using a batch file wrapper as an application launcher. This is particularly useful when running Java applications or for scripts written in Perl, Python, Ruby, etc... without the need for a specialized service wrapper.

SvcBatch was designed to be simple to use and lightweight, with a small memory footprint. Its only dependency is win32 API, and only has around 8K lines of C code. There are no configuration files or installation requirements, so it can be easily distributed alongside any application that requires Windows service functionality.

Read the rest of the documentation and check Examples for some overview and ideas how to use and deploy SvcBatch with your application.

Github: https://github.com/mturk/svcbatch
Docs: Documentation

Getting Started

Supported Windows Versions

The minimum supported version is Windows 7 SP1 or Windows Server 2008 R2 64-bit.

Building SvcBatch

To build the SvcBatch from source code follow the directions explained in Building document. SvcBatch is targeted for Windows 64-bit versions, so make sure to use 64-bit compiler.

Creating Services

Starting with version 3.0.0 SvcBatch has a Service management code that contains a subset of Microsoft's sc.exe utility to create, configure, manage, and delete services. Check the managing section for some basic guidelines.

By default SvcBatch uses System's cmd.exe as a shell to run a batch file. Thus the batch file is an actual service application from a conceptual point of view.

The batch file should behave like a service and must never exit. Any exit is treated as an error because from the SCM (Service Control Manager) point of view it is the same as a service failure. On Stop or Shutdown events signaled by SCM, SvcBatch will send a CTRL_C signal to cmd.exe, as if a user hit Ctrl+C keys in interactive console session.

The simplest way to create a service for your batch file is to put svcbatch.exe in the same directory where your myservice.bat file is located. Open the command prompt and type something like this...

> svcbatch create myservice

... or using SC utility

> sc create myservice binPath= ""%cd%\svcbatch.exe" myservice.bat"

Check Examples section for more detailed usage.

Modifying services

Once installed you can edit the ImagePath value from the service's registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\myservice

In case the service was installed using SvcBatch, additional Parameters sub key is created under the service's registry key that contains arguments SvcBatch will merge at runtime with the value of ImagePath.

The changes made, will be used next the service starts.
Starting services

To manually start the service use either svcbatch, sc or Microsoft Services GUI application.

SvcBatch will append any additional arguments from the service start application to the script file's existing arguments defined at install time.

Since SvcBatch version 3.0.0, you can use the SvcBatch itself to start the service.
```
> svcbatch create myservice myservice.bat param1

...

> svcbatch start myservice param2 param3
```
When started the myservice.bat will receive param1 param2 param3 as arguments.
Notice

If the program started from a service batch file creates its own child processes, ensure you setup the following privileges to the service:
```
> svcbatch configure myservice --privs=SeDebugPrivilege
```
This will allow SvcBatch to terminate the entire descendant process tree on shutdown in case the child process creates a process with different security credentials.

Also check the Managing Services section for further guidelines.

Managing Services

To get an overview on how to create and manage SvcBatch services, check the managing section for some basic guidelines.

Debugging Services

Debugging a service can be a complex task, because the services run without interacting with the user.

In case your service fails without apparent reason, first check the Windows Event Log.

The next option is to use debug build of the SvcBatch. Download or build svcbatch.exe compiled with _DEBUG=1 option and replace the svcbatch.exe with this binary.

Debug version of SvcBatch will create a svcbatch_debug.log file inside the TEMP directory of the current service user account.

The typical content of the svcbatch_debug.log file might look something like the following:

The format of this log file is:

[ProcessId:ThreadId:MonthDayYear/HourMinuteSecond.Millisecond:Mode:FunctionName(line)] message

If the svcbatch_debug.log file already exists, debug messages will be appended to the end of the file.

You can rename svcbatch.exe executable to myservice.exe and modify service ImagePath registry value. When the service start, SvcBatch will use myservice_debug.log as log file. This can be useful when multiple service share the same SvcBatch executable.

Examples

To get an overview on how the SvcBatch is used with the real application, check the documentation section for some basic deployment guideline.

Main Features

Here are listed some of the main features provided by SvcBatch.

Log Rotation

By default SvcBatch, on startup, creates a Logs directory inside its working directory and creates an SvcBatch.log file that is used both for internal logging and capturing output from cmd.exe

It also renames previous log files if the files are present inside Logs directory using the following procedure:


* If exists move SvcBatch.log to SvcBatch.log.0
* If exists move SvcBatch.log.8 to SvcBatch.log.9

  This means that SvcBatch.log.9 will be overwritten, so make sure
  to backup SvcBatch.log.9 before log rotation occurs if needed

* If exists move SvcBatch.log.7 to SvcBatch.log.8
* ...
* ...
* If exists move SvcBatch.log.1 to SvcBatch.log.2
* If exists move SvcBatch.log.0 to SvcBatch.log.1
* Create new SvcBatch.log and use it as current log file.

Command Line Options

SvcBatch command line options allow users to customize service deployments. Options are case insensitive and defined with / or - as command switch when running in service mode, or with -- for SvcBatch service management. This means that -h or /H and --Wait or --wait can be used interchangeably.

Check the managing for more info about command line options when SvcBatch is used for managing services.

Command line option value can be either the rest of the command option or the entire next argument.

In case the value is the rest of the command option, the command switch must be / and the character after the option must be : character, followed by the actual option value.

For example:

> svcbatch create myService ... /L:log\directory ...

Is the same as

> svcbatch create myService ... -l log\directory ...

After handling switches SvcBatch will pass remaining arguments to the script interpreter.

The first argument is treated as script file. If the first argument is not the absolute path, it will be resolved relative to the service home directory.

If there are no additional arguments, SvcBatch will append .bat to the running Service Name. In that case, if ServiceName contain any of the invalid file name characters /\:;<>?*|", the service will fail and error message will be reported to Windows Event log.

Although command options are case insensitive, use capital letters with / command switch, and lowercase letters with - command switch.

F [features]

Set runtime features

This option sets various runtime features. The features parameter is a combination of one or more characters, where each character sets the particular feature option.

Feature options are case sensitive, and can be listed in any order.
```
    <B><L><N><P><Q><R><T><W><Y><0|1|2>
```
- B
  
  Generate CTRL_BREAK on service stop
  
  This option can be used to send ctrl+break instead ctrl+c signal when the service is stopping.
  
  This is useful when the service batch file uses start /B ... to launch multiple applications.
```
...
start /B some.exe instance1
start /B some.exe instance2
start /B some.exe instance3
...
```
  When using start /B application, the application does not receive ctrl+c signal. The ctrl+break is the only way to interrupt the application.
- L
  
  Use local time
  
  This option causes all logging and rotation to use local instead system time.
- P
  
  Enable preshutdown service notification
  
  When defined, SvcBatch will accept SERVICE_CONTROL_PRESHUTDOWN control code. The service control manager waits until the service stops or the specified preshutdown time-out value expires
- Q
  
  Disable logging
  
  This option disables both logging and log rotation.
  
  Use this option when output from script file is not needed or service batch file manages logging on its own.
  
  Notice
  
  Any eventual log rotation option will not be processed.
- R
  
  Enable log rotation by control code
  
  When defined, SvcBatch will accept custom 234 control code and initiate log rotation when this control is signaled.
  
  Note that 234 is our custom service control code. Number 234 has been randomly chosen, since win32 API requires that this number must be larger then 127 and lower then 255.
  
  To initiate log rotation manually use the following:
```
> svcbatch control myService 234
```
  In case the last log rotation was less then 2 minutes ago, or if there was no data written to the log file from the last rotation, SvcBatch will not rotate the logs.
- T
  
  Truncate log on rotation
  
  If set this option will truncate existing log file on log rotation instead creating a new log file.
- Y
  
  Write Y to child console
  
  If set this option will write Y\r\n characters to script interpreter's console standard input.
  
  This option is enabled by default when cmd.exe is used, and handles Terminate batch job (Y/N)? prompt.
- 0
  
  Flags [0|1|2] determine how the SvcBatch will handle service failure in case it enters a STOP state without explicit Stop command from the SCM.
  
  This mode will set the error code when the service fails. The error message will be written to the Windows Event log and service will enter a stop state.
  
  If the service was in RUNNING state the error code will be set to ERROR_PROCESS_ABORTED, otherwise the error code will be set to ERROR_SERVICE_START_HANG.
  
  You can use this mode to initialize service recovery if defined.
```
> sc failure myService reset= INFINITE actions= restart/10000

> sc failureflag myService 1
```
  The upper example will restart myService service after 10 seconds if it enters a stop state without Stop command.
  
  This is the default mode.
- 1
  
  This mode will not set the error code when the service fails. The information message will be written to the Windows Event log and service will enter a stop state.
  
  The typical usage of this feature is for the services that run for some time and then stop.
- 2
  
  This mode will not report error code to the SCM when the service fails. The error message will be written to the Windows Event log. SvcBatch will call exit(ERROR_INVALID_LEVEL) and terminate the current service.
C [program][<[> parameters <]>]

Use alternative program for running scripts

This option allows to use alternative program program instead default cmd.exe to run the scripts.

For example:
```
> svcbatch create ... /C:[ powershell -NoProfile -ExecutionPolicy Bypass -File ] myservice.ps1 ...
```
SvcBatch will execute powershell.exe instead cmd.exe and pass [ parameters ] as arguments to the powershell.

Additional parameters for alternative shell must be enclosed inside square brackets before script file and its arguments.

Parameters for default cmd.exe interpreter are /D /E:ON /V:OFF /C.
```
> svcbatch create ... /C:cmd.exe [ /D /E:ON /V:OFF /C ] myservice.bat ...
```
If the program parameter contains any @ or % characters, SvcBatch will evaluate all environment strings in the program parameter and use it as application name.

In case the program parameter is not an absolute path, SvcBatch will search the current environment for the program[.exe] application.
K [depth]

Set the nested process kill depth

This option sets the depth of the process tree that SvcBatch will kill on service stop.

The valid depth range is between 0 and 4. By default this value is set to zero.

This option is used only when manually stopping the service. In case the service STOP is initiated by system shutdown, SvcBatch will not traverse its process tree, but rather let the operating system to kill all child processes.

Use this option if the service script file creates a process that do not respond to STOP command, but keeps running in the background.
E [name=value]

Sets environment variable

This option allows to set the contents of the specified environment variable. The content of the name environment variable is to the value.

For example:
```
> svcbatch create ... /E:NOPAUSE=Y /E:CATALINA_BASE=$WORK ...
```
This will set the NOPAUSE environment variable to Y, and CATALINA_BASE to the value of the current working directory.

SvcBatch will evaluate value parameter and replace each $variable string with corresponding runtime value.

If the $variable does not exits, it will be replaced by empty string.

The $WORK will be evaluated to the current working directory, $NAME will set the value to the current Service name, etc.

The runtime variable values are:
```
  APPLICATION Program application path
  BASENAME    Program application name
  DISPLAYNAME Service display name
  HOME        Home directory
  LOGS        Logs directory
  NAME        Service Name
  RELEASE     SvcBatch release version
  UUUID       Service UUID
  VERSION     SvcBatch version number
  WORK        Work directory
```
The following example will modify PATH environment variable for the current process:
```
> svcbatch create ... -e "PATH=$ProgramFiles\SomeApplication;$PATH" ...
```
In the upper example, each $variable will be evaluated to the current runtime value.

Each $$ character pair will be replaced by the single $ character. This allows to use $ characters as part of value without evaluating them.
```
> svcbatch create ... /E "SOME_VARIABLE=RUN$$1" ...
```
In the upper example, SvcBatch will set SOME_VARIABLE environment variable to the value RUN$1.

SvcBatch will evaluate E command options in order they are defined in service configuration.

SvcBatch will first set all Private Environment Variables

After that it will evaluate and set all /E:name=value variables.
EE [variables]

Export private environment variables

This option exports various runtime environment variables. The variables parameter is a combination of one or more characters, where each character sets the particular environment variable.

Variables are case sensitive, and can be listed in any order.
```
  A   Program application
  B   Program application name
  D   Service display name
  H   Home directory
  L   Logs directory
  N   Service Name
  R   SvcBatch release version
  U   Service UUID
  V   SvcBatch version number
  W   Work directory
```
Each variable name will be evaluated at runtime using either default or prefix or the one defined by the /EP:PREFIX command option.
```
  A  ...  [PREFIX]_APPLICATION
  B  ...  [PREFIX]_BASENAME
  D  ...  [PREFIX]_DISPLAYNAME
  H  ...  [PREFIX]_HOME
  L  ...  [PREFIX]_LOGS
  N  ...  [PREFIX]_NAME
  R  ...  [PREFIX]_RELEASE
  U  ...  [PREFIX]_UUID
  V  ...  [PREFIX]_VERSION
  W  ...  [PREFIX]_WORK
```
The following example will export SVCBATCH_PROCESSID and SVCBATCH_VERSION environment variables with the values set to their corresponding runtime values.
```
> svcbatch create ... /EE:PV ...
```
This feature is usually used to export specific runtime variable(s).

The following example will only export service's home and work directories as MYSERVICE_HOME and MYSERVICE_WORK environment variables:
```
> svcbatch create myService ... /EP:@ /EE:HW ...
```
EP [prefix]

Sets private environment variables prefix

By default SvcBatch uses uppercase program name as prefix for private environment variables names.

Check Private Environment Variables section, for the list of exported variables.

To change default SVCBATCH prefix, add /EP:prefix to your service configuration.

The following example will cause SvcBatch to export ASERVICE_NAME instead default SVCBATCH_NAME, etc.
```
> svcbatch create ... /EP:ASERVICE ...
```
In case the prefix is a single @ character, SvcBatch will use service name as private environment prefix.

The following example will cause SvcBatch to export MYSERVICE_NAME instead default SVCBATCH_NAME, etc.
```
> svcbatch create myService ... /EP:@ ...
```
H [path]

Set service home directory

This option enables users to explicitly set the home directory.

The home directory is the location from where all relative path parameters will be resolved.

If not specified, the home directory will set to the path of the batch file if it was defined as an absolute path. Otherwise the directory of the svcbatch.exe will be used as home directory.

In case the path is relative, it will be resolved either to the directory of the batch file, if it was defined as an absolute path, or to the directory of the svcbatch executable.

The resulting path value must exist on the system or the service will fail to start, and write an error message to the Windows Event log.
L [path]

Set service log directory

This option allows a user to set the log directory, which is where SvcBatch will create any runtime log files.

If set, the path parameter will be used as the location where SvcBatch.log files will be created. SvcBatch will create a path directory if it doesn't exist.

If not set, SvcBatch will create and use the SVCBATCH_WORK\Logs directory as a location for log files that has to be created.

If the path is not the absolute path, it will be resolved relative to the W directory.

Notice

This directory has to be unique for each service instance. Otherwise the service will fail if another service already opened SvacBatch.log in that location.
LN [name]

Set log file name

This option allows a user to set the alternate log file names.

By default SvcBatch will use SvcBatch.log as name. To redefine default log name use the LN command option at service install:
```
> svcbatch create ... /LN:myService.log ...
```
If the name parameter contains @ characters, it will be treated as a format string to our custom strftime function.

When using strftime filename formatting, be sure the log file name format has enough granularity to produce a different file name each time the logs are rotated. Otherwise rotation will overwrite the same file instead of starting a new one. For example, if logfile was service.@Y-@m-@d.log with log rotation at 5 megabytes, but 5 megabytes was reached twice in the same day, the same log file name would be produced and log rotation would overwrite the same file.

Supported formatting codes

Here are listed the supported formatting codes:
```
  @d  Day of month as a decimal number (01 - 31)
  @F  Equivalent to @Y-@m-@d
  @H  Hour in 24-hour format (00 - 23)
  @j  Day of the year as a decimal number (001 - 366)
  @m  Month as a decimal number (01 - 12)
  @M  Minute as a decimal number (00 - 59)
  @S  Second as a decimal number (00 - 59)
  @s  Millisecond as a decimal number (000 - 999)
  @w  Weekday as a decimal number (0 - 6; Sunday is 0)
  @y  Year without century, as decimal number (00 - 99)
  @Y  Year with century, as decimal number
  @0  Current counter as a decimal number (0    -    9)
  @2  Current counter as a decimal number (00   -   99)
  @4  Current counter as a decimal number (0000 - 9999)
```
Make sure that log names contain only valid file name characters. The following are reserved characters:
```
  <  (less than)
  >  (greater than)
  :  (colon)
  ;  (semicolon)
  "  (double quote)
  /  (forward slash)
  \  (backslash)
  |  (vertical bar or pipe)
  ?  (question mark)
  *  (asterisk)
```
In case the result from strftime contains any of the reserved characters the function will fail.
LM [number]

Set maximum number of log files

In case the number contains a single decimal number between 1 and 9 it will be used instead default 1 .. 2.
```
> svcbatch create ... /LM:4
```
Instead rotating Svcbatch.log from 1 .. 2 it will rotate exiting log files from 1 .. 4..
LR [rule]

Rotate logs by size or time interval

Depending on the rule parameter service can rotate log files at desired interval, once a day at specific time or when log file gets larger then defined size.

Time and size values can be combined, which allows to rotate logs at specific time or size which ever first. For example one can define rule so that rotate logs is run each day at 17:00:00 hours or if log files gets larger then 100K bytes.

To combine multiple values use the + character as value separator. The order is important.
```
  <@Time><+><Size>
```
```
> svcbatch create ... /LR:@17:00:00+100K
```
If time is given without a colons, SvcBatch will use it as minutes between log rotation.
```
>svcbatch create ... /LR:@90+200K
```
The upper example will rotate logs each 90 minutes. In case log file gets larger the 200Kbytes within that interval, it will be rotated as well. In that case internal timer will be reset and next rotation will occur after 90 minutes.

In case rule parameter is @0 SvcBatch will rotate log files each day at midnight. This is the same as defining /LR:@00:00:00.

In case rule parameter is @60 SvcBatch will rotate log files every full hour.

In case rule parameter for rotation based on log file size is less then 1K (1024 bytes), SvcBatch will not rotate logs by size.

The rule parameter uses the following format:
```
    <[@hh:mm:ss|@minutes]><+><size[B|K|M|G]>
```
S [script][<[> arguments <]>]

Execute script file on service stop or shutdown

If defined, on shutdown or stop event the service will create separate svcbatch.exe process and call script. The purpose of that file is to use some sort of IPC mechanism and signal the service to exit.

This is particularly useful for services that do not handle CTRL_C_EVENT or have specific shutdown requirements.

In case the script equals to NUL, SvcBatch will only pass additional arguments to the script interpreter. Service will fail to start if the additional argument(s) were not defined.

In case the script starts with ./ or .\, SvcBatch will use the string following the ./ or .\ as script file without checking for its existence.

In case the script equals to @, SvcBatch will use the main service script file for shutdown, add pass stop string as the argument to that script file, if the additional argument(s) were not defined.

To set additional arguments for stop script enclose them inside square brackets [ ... ].
```
> svcbatch create ... /S:stop.bat /S:[ --connect --command=:shutdown ] ...
...
> svcbatch create ... /S:@ ...
...
> svcbatch create ... /S:@ [ used instead default stop ] ...
```
SM [number]

Set maximum number of stop log files

Default maximum number of stop log files is 0 (zero), which means that no log rotation will be performed for stop script logging. To enable log rotation for stop logging, set the number parameter value between 1 and 9.
```
> svcbatch create ... /SM:2 /SN:myService.stop.log
```
This will rotate stop log files from 1 .. 2.

Notice

If this option is defined, and SN option was not defined, SvcBatch will use default SvcBatch.stop.log as stop log name.
SN [name]

Set stop log file name

This option allows a user to enable stop logging for scripts defined by S option.
```
> svcbatch create ... /SN:myService.stop.log ...
```
The name parameter is handled the same as described with LN command option.
ST [timeout]

Set stop timeout in seconds

This option sets the timeout when service receives stop or shutdown signal. The valid timeout range is between 2 and 120 seconds (two minutes).

By default this value is set to 10 seconds.

Also make sure to check the WaitToKillServiceTimeout value specified in the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control

If the operating system is rebooting, this value is used as time limit.
T [path]

Set temp directory

This option allows a user to set different temp directory then the one defined by the service account environment.

If the path is not the absolute path, it will be resolved relative to the W directory.

SvcBatch will set TEMP and TMP environment variables to that directory.

In case the directory specified by path parameter does not exists, it will be created.
W [path]

Set service working directory

This option enables users to explicitly set the working directory. When batch file is executed its current directory is set to this path.

If not specified, the working directory is set to the home directory defined using H option. Check H command option for more details.

If the path is not the absolute path, it will be resolved relative to the H directory.

Notice

If defined, the working directory must exist and have read and write access rights for the current process.

Private Environment Variables

SvcBatch sets a few private environment variables that provide more info about running environments to batch files. Those variable by default have SVCBATCH prefix, determined from the program executable name.

Here is the list of environment variables that SvcBatch sets for each instance:

SVCBATCH_HOME

This variable is set to the service home directory.
SVCBATCH_LOGS

This variable is set to the service's output directory.

In case the logging is disabled, by using /F:Q command option, this variable is set to the SVCBATCH_WORK directory.
SVCBATCH_NAME

This variable is set to the actual service name defined with svcbatch create [service name] ...
```
@echo off
rem
rem Simple example
rem

echo Running service %SVCBATCH_NAME%
```
SVCBATCH_UUID

This is the service's unique identifier in following hexadecimal format abcd-01234567-89ab-cdef-0123-456789abcdef. The first four digits are current process id, and remaining digits are randomly generated at service startup.

The SVCBATCH_UUID environment variable can be used inside batch file when unique identifier is needed.
```
rem
rem Create unique temp directory
rem
md "%TEMP%\%SVCBATCH_UUID%"
...
... do some work using that directory
...
rd /S /Q "%TEMP%\%SVCBATCH_UUID%"
```
SVCBATCH_WORK

This variable is set to the service working directory.

The working directory is set to SVCBATCH_HOME directory, unless the W command option was configured.

This variable is set as current directory for the shell process launched from SvcBatch, and as base directory for SVCBATCH_LOGS in case the L parameter was defined as relative path.

Notice

In case you rename SvcBatch executable from svcbatch.exe to for example myservice.exe, SvcBatch will use MYSERVICE as prefix for those variables. In that case it will export MYSERVICE_NAME, MYSERVICE_HOME, etc.

In case the /EP:@ or /EP:PREFIX command option is defined, it will take precedence over this feature.

Important

Make sure to use only ASCII alphanumeric and underscore (_) characters as executable name, or the service will fail to start.

Stop and Shutdown

When you type sc.exe stop myservice or when your machine gets into the shutdown state, SvcBatch running as a service will receive stop or shutdown event. SvcBatch will send CTRL_C_EVENT to its child processes or run shutdown batch file in case /S [batchfile] was defined at install time.

It is up to the application started from batch file to handle this event and do any cleanup needed and then exit. By default, on startup, SvcBatch writes 'Y' to cmd.exe stdin, to handle that obnoxious Terminate batch job (Y/N)? prompt. If batch file or any of downstream processes do not exit within stop timeout, SvcBatch will give another 20 seconds for all processes to exit. After that timeout it will simply kill each descendant process that originated from svcbatch.exe.

Version Information

The simplest way to obtain the version information is to right click on the svcbatch.exe from Windows File Explorer, click on Properties, and then on the Details tab.

Another way to get SvcBatch version and build information is to open command prompt and type

> svcbatch.exe version
SvcBatch 1.2.3.4 ...

>

Make sure to use the correct information when filing bug reports.

Error Logging

SvcBatch logs any runtime error to Windows Event Log. Use Windows Event Viewer and check Windows Logs/Application/YourServiceName events.

Limitations

SvcBatch have limits for the following features:

Service Name

The Service Name must consists of only ASCII characters except the following set:
```
  <  (less than)
  >  (greater than)
  :  (colon)
  ;  (semicolon)
  "  (double quote)
  /  (forward slash)
  \  (backslash)
  |  (vertical bar or pipe)
  ?  (question mark)
  *  (asterisk)
```
Service Name must start with alphanumeric character, and its length is limited to 255 characters.

Service will fail to start if the upper criteria is not met.
Program File Name

Default Program File Name is svcbatch.exe.

Program File Name can contain only alphanumeric ASCII characters including underscore (_) character, and must end with .exe file extension.
File name length

The maximum file name length must be less then 2040 characters, and is defined by the #define SVCBATCH_PATH_SIZ 2040 macro inside svcbatch header file
Maximum number of arguments

The maximum number of arguments that can be passed to the command processor is limited to 32, and is defined by the #define SVCBATCH_MAX_ARGS 32 macro inside svcbatch header file

This option also defines the maximum number of parameters passed to the command interpreter when C command option is used.

License

The code in this repository is licensed under the Apache-2.0 License.

Name		Name	Last commit message	Last commit date
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docs		docs
test		test
utils		utils
.gitattributes		.gitattributes
.gitignore		.gitignore
CHANGES.md		CHANGES.md
LICENSE.txt		LICENSE.txt
Makefile		Makefile
Makefile.gmk		Makefile.gmk
README.md		README.md
mkrelease.bat		mkrelease.bat
svcbatch.bin		svcbatch.bin
svcbatch.c		svcbatch.c
svcbatch.h		svcbatch.h
svcbatch.ico		svcbatch.ico
svcbatch.manifest		svcbatch.manifest
svcbatch.mc		svcbatch.mc
svcbatch.rc		svcbatch.rc

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SvcBatch: Overview

Table of Contents

Getting Started

Supported Windows Versions

Building SvcBatch

Creating Services

Managing Services

Debugging Services

Examples

Main Features

Log Rotation

Command Line Options

Private Environment Variables

Stop and Shutdown

Version Information

Error Logging

Limitations

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SvcBatch: Overview

Table of Contents

Getting Started

Supported Windows Versions

Building SvcBatch

Creating Services

Managing Services

Debugging Services

Examples

Main Features

Log Rotation

Command Line Options

Private Environment Variables

Stop and Shutdown

Version Information

Error Logging

Limitations

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