Add sendCtrlC method

build.cmd

@@ -34,6 +34,10 @@ msbuild winp.vcxproj /t:Clean /p:Configuration=%configuration% /verbosity:minima
 if %errorlevel% neq 0 exit /b %errorlevel%
 msbuild winp.vcxproj /t:Clean /p:Configuration=%configuration% /verbosity:minimal /nologo /p:Platform="x64"
 if %errorlevel% neq 0 exit /b %errorlevel%
+msbuild sendctrlc\sendctrlc.vcxproj /t:Clean /p:Configuration=Release /verbosity:minimal /nologo /p:Platform="Win32"
+if %errorlevel% neq 0 exit /b %errorlevel%
+msbuild sendctrlc\sendctrlc.vcxproj /t:Clean /p:Configuration=Release /verbosity:minimal /nologo /p:Platform="x64"
+if %errorlevel% neq 0 exit /b %errorlevel%
 msbuild ..\native_test\testapp\testapp.vcxproj /t:Clean /p:Configuration=Release /verbosity:minimal /nologo /p:Platform="Win32"
 if %errorlevel% neq 0 exit /b %errorlevel%
 msbuild ..\native_test\testapp\testapp.vcxproj /t:Clean /p:Configuration=Release /verbosity:minimal /nologo /p:Platform="x64"
@@ -48,6 +52,10 @@ msbuild winp.vcxproj /p:Configuration=%configuration% /nologo /p:Platform="Win32
 if %errorlevel% neq 0 exit /b %errorlevel%
 msbuild winp.vcxproj /p:Configuration=%configuration% /nologo /p:Platform="x64"
 if %errorlevel% neq 0 exit /b %errorlevel%
+msbuild sendctrlc\sendctrlc.vcxproj /p:Configuration=%configuration% /nologo /p:Platform="Win32"
+if %errorlevel% neq 0 exit /b %errorlevel%
+msbuild sendctrlc\sendctrlc.vcxproj /p:Configuration=%configuration% /nologo /p:Platform="x64"
+if %errorlevel% neq 0 exit /b %errorlevel%
 
 echo ### Building test applications
 msbuild ..\native_test\testapp\testapp.vcxproj /verbosity:minimal /p:Configuration=Release /nologo /p:Platform="Win32"
@@ -61,6 +69,10 @@ COPY native\%configuration%\winp.dll src\main\resources\winp.dll
 if %errorlevel% neq 0 exit /b %errorlevel%
 COPY native\x64\%configuration%\winp.dll src\main\resources\winp.x64.dll
 if %errorlevel% neq 0 exit /b %errorlevel%
+COPY native\sendctrlc\Win32\%configuration%\sendctrlc.exe src\main\resources\sendctrlc.exe
+if %errorlevel% neq 0 exit /b %errorlevel%
+COPY native\sendctrlc\x64\%configuration%\sendctrlc.exe src\main\resources\sendctrlc.x64.exe
+if %errorlevel% neq 0 exit /b %errorlevel%
 
 echo ### Build and Test winp.jar for %version%
 cd %BUIDROOT%

native/java-interface.cpp

@@ -7,6 +7,10 @@ JNIEXPORT jboolean JNICALL Java_org_jvnet_winp_Native_kill(JNIEnv* env, jclass c
 	return KillProcessEx(pid, recursive);
 }
 
+JNIEXPORT jboolean JNICALL Java_org_jvnet_winp_Native_sendCtrlC(JNIEnv* env, jclass clazz, jint pid) {
+  return SendCtrlC(pid);
+}
+
 JNIEXPORT jint JNICALL Java_org_jvnet_winp_Native_setPriority(JNIEnv* env, jclass clazz, jint pid, jint priority) {
 	auto_handle hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, pid);
 	if(hProcess && SetPriorityClass(hProcess, priority)) {

native/runtime.cpp

@@ -1,15 +1,30 @@
 #include "stdafx.h"
 #include "winp.h"
+#include <vector>
 
+HANDLE              hDllInst;
 LPFN_ISWOW64PROCESS fnIsWow64Process;
 
 extern "C"
 BOOL WINAPI DllMain(HANDLE hInst, ULONG dwReason, LPVOID lpReserved) {
+	hDllInst = hInst;
 	fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(
 		GetModuleHandle(TEXT("kernel32")), "IsWow64Process");
 	return TRUE;
 }
 
+std::wstring GetDllFilename() {
+  std::vector<wchar_t> pathBuf;
+  DWORD copied = 0;
+  do {
+    pathBuf.resize(pathBuf.size() + MAX_PATH);
+    copied = GetModuleFileNameW(static_cast<HMODULE>(hDllInst), &pathBuf[0], static_cast<DWORD>(pathBuf.size()));
+  }
+  while (copied >= pathBuf.size());
+
+  return std::wstring(pathBuf.begin(), pathBuf.begin() + copied);
+}
+
 void error( JNIEnv* env, const char* file, int line, const char* msg ) {
 	DWORD errorCode = GetLastError();
 

native/sendctrlc/main.cpp

@@ -0,0 +1,24 @@
+
+#define STRICT
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+
+#include <cstdlib>
+#include <cstring>
+
+int main(int argc, char** argv) {
+  if (argc < 2) {
+    return 2;
+  }
+
+  int  pid = atoi(argv[1]);
+
+  FreeConsole();
+  if (!AttachConsole(pid)) {
+    return 1;
+  }
+
+  SetConsoleCtrlHandler(NULL, TRUE);
+  GenerateConsoleCtrlEvent(CTRL_C_EVENT, 0);
+  return 0;
+}

native/sendctrlc/sendctrlc.vcxproj

@@ -0,0 +1,160 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>sendctrlc32</RootNamespace>
+    <ProjectName>sendctrlc</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(MSBuildProjectDirectory)\$(Platform)\$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(MSBuildProjectDirectory)\$(Platform)\$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(MSBuildProjectDirectory)\$(Platform)\$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(MSBuildProjectDirectory)\$(Platform)\$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="main.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

native/stdafx.h

@@ -9,6 +9,7 @@
 #include <tchar.h>
 #include <tlhelp32.h>
 #include <jni.h>
+#include <string>
 #include <psapi.h>
 #pragma comment(lib, "psapi.lib")
 // if you don't have ntdll.lib, download Windows DDK

native/winp.cpp

@@ -5,6 +5,60 @@
 #include "winp.h"
 #include "auto_handle.h"
 #include "java-interface.h"
+#include <vector>
+
+static void str_replace_last(std::wstring& exepath, const wchar_t* from, const wchar_t* to) {
+  std::wstring::size_type pos = exepath.rfind(from);
+  if (pos != std::wstring::npos) {
+    exepath.replace(pos, wcslen(from), to);
+  }
+}
+
+//---------------------------------------------------------------------------
+// SendCtrlC
+//
+//  Sends CTRL+C to the specified process.
+//
+//  Parameters:
+//	  dwProcessId - identifier of the process to terminate
+//
+//  Returns:
+//	  TRUE, if successful, FALSE - otherwise.
+//
+BOOL WINAPI SendCtrlC(IN DWORD dwProcessId) {
+  STARTUPINFO         si;
+  PROCESS_INFORMATION pi;
+  ZeroMemory(&si, sizeof(si));
+  si.cb = sizeof(si);
+  ZeroMemory(&pi, sizeof(pi));
+
+  std::wstring exepath = GetDllFilename();
+  str_replace_last(exepath, L"\\winp.dll", L"\\sendctrlc.exe");
+  str_replace_last(exepath, L"\\winp.x64.dll", L"\\sendctrlc.x64.exe");
+
+  std::wstring cmd = exepath + L' ' + std::to_wstring(dwProcessId);
+  std::vector<wchar_t> cmd_buffer(cmd.begin(), cmd.end()); // with C++17, could just use cmd.data()
+
+  BOOL started = CreateProcessW(NULL, &cmd_buffer[0], NULL, NULL,
+                                FALSE, 0, NULL, NULL, &si, &pi);
+
+  BOOL success = FALSE;
+  if (started) {
+    // wait for termination if the process started, max. 5 secs
+    WaitForSingleObject(pi.hProcess, 5000);
+
+    // then set success flag if the exit code was 0
+    DWORD exit_code;
+    if (GetExitCodeProcess(pi.hProcess, &exit_code) != FALSE) {
+      success = (exit_code == 0);
+    }
+  }
+
+  CloseHandle(pi.hProcess);
+  CloseHandle(pi.hThread);
+
+  return success;
+}
 
 //---------------------------------------------------------------------------
 // KillProcess

native/winp.h

@@ -6,6 +6,10 @@
 #define reportError(env,msg)	error(env,__FILE__,__LINE__,msg);
 void error(JNIEnv* env, const char* file, int line, const char* msg);
 
+std::wstring GetDllFilename();
+
+BOOL WINAPI SendCtrlC(IN DWORD dwProcessId);
+
 //
 // Kernel32.dll
 //

native/winp.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 12.0.31101.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "winp", "winp.vcxproj", "{6B623E61-2427-4C6A-B028-35E9A397AC3A}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "sendctrlc", "sendctrlc\sendctrlc.vcxproj", "{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "native_test", "native_test", "{3F7718C9-97FF-4839-8197-63A69FAD6E54}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testapp", "..\native_test\testapp\testapp.vcxproj", "{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93A1}"
@@ -25,6 +27,13 @@ Global
 		{6B623E61-2427-4C6A-B028-35E9A397AC3A}.Release|Win32.Build.0 = Release|Win32
 		{6B623E61-2427-4C6A-B028-35E9A397AC3A}.Release|x64.ActiveCfg = Release|x64
 		{6B623E61-2427-4C6A-B028-35E9A397AC3A}.Release|x64.Build.0 = Release|x64
+		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}.Debug|Win32.ActiveCfg = Debug|Win32
+		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}.Debug|Win32.Build.0 = Debug|Win32
+		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}.Debug|x64.ActiveCfg = Debug|Win32
+		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}.Release|Win32.ActiveCfg = Release|Win32
+		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}.Release|Win32.Build.0 = Release|Win32
+		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}.Release|x64.ActiveCfg = Release|x64
+		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93B1}.Release|x64.Build.0 = Release|x64
 		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93A1}.Debug|Win32.ActiveCfg = Debug|Win32
 		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93A1}.Debug|Win32.Build.0 = Debug|Win32
 		{AF1488B6-BF5B-4F3F-8AB7-5114D5BF93A1}.Debug|x64.ActiveCfg = Debug|Win32

src/main/java/org/jvnet/winp/Native.java

@@ -21,6 +21,7 @@ class Native {
     public static final String DLL_NAME = "64".equals(System.getProperty("sun.arch.data.model")) ? "winp.x64" : "winp";
 
     native static boolean kill(int pid, boolean recursive);
+    native static boolean sendCtrlC(int pid);
     native static boolean isCriticalProcess(int pid);
     native static int setPriority(int pid, int value);
     native static int getProcessId(int handle);