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Find dotnet.exe instead of <name>.exe when building out-of-proc using MSBuildLocator #6890

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Merged
merged 3 commits into from
Sep 30, 2021
Merged

Find dotnet.exe instead of <name>.exe when building out-of-proc using MSBuildLocator #6890

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1561f8b
Find dotnet.exe instead of <name>.exe
Forgind Sep 24, 2021
b231c55
Move logic into GetCurrentHost
Forgind Sep 27, 2021
24b18d9
Add missing space
Forgind Sep 29, 2021
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37 changes: 20 additions & 17 deletions src/Build/BackEnd/Components/Communications/NodeProviderOutOfProcBase.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,6 @@

using BackendNativeMethods = Microsoft.Build.BackEnd.NativeMethods;
using Task = System.Threading.Tasks.Task;
using DotNetFrameworkArchitecture = Microsoft.Build.Shared.DotNetFrameworkArchitecture;
using Microsoft.Build.Framework;
using Microsoft.Build.BackEnd.Logging;

Expand Down Expand Up @@ -434,9 +433,9 @@ private Process LaunchNode(string msbuildLocation, string commandLineArgs)

// Repeat the executable name as the first token of the command line because the command line
// parser logic expects it and will otherwise skip the first argument
commandLineArgs = msbuildLocation + " " + commandLineArgs;
commandLineArgs = $"\"{msbuildLocation}\" {commandLineArgs}";

BackendNativeMethods.STARTUP_INFO startInfo = new BackendNativeMethods.STARTUP_INFO();
BackendNativeMethods.STARTUP_INFO startInfo = new();
startInfo.cb = Marshal.SizeOf<BackendNativeMethods.STARTUP_INFO>();

// Null out the process handles so that the parent process does not wait for the child process
Expand Down Expand Up @@ -466,11 +465,6 @@ private Process LaunchNode(string msbuildLocation, string commandLineArgs)
creationFlags |= BackendNativeMethods.CREATE_NEW_CONSOLE;
}

BackendNativeMethods.SECURITY_ATTRIBUTES processSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
BackendNativeMethods.SECURITY_ATTRIBUTES threadSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
processSecurityAttributes.nLength = Marshal.SizeOf<BackendNativeMethods.SECURITY_ATTRIBUTES>();
threadSecurityAttributes.nLength = Marshal.SizeOf<BackendNativeMethods.SECURITY_ATTRIBUTES>();

CommunicationsUtilities.Trace("Launching node from {0}", msbuildLocation);

string exeName = msbuildLocation;
Expand All @@ -481,7 +475,6 @@ private Process LaunchNode(string msbuildLocation, string commandLineArgs)
{
// Run the child process with the same host as the currently-running process.
exeName = GetCurrentHost();
commandLineArgs = "\"" + msbuildLocation + "\" " + commandLineArgs;
}
#endif

Expand Down Expand Up @@ -526,14 +519,15 @@ private Process LaunchNode(string msbuildLocation, string commandLineArgs)
else
{
#if RUNTIME_TYPE_NETCORE
if (NativeMethodsShared.IsWindows)
{
// Repeat the executable name in the args to suit CreateProcess
commandLineArgs = "\"" + exeName + "\" " + commandLineArgs;
}
// Repeat the executable name in the args to suit CreateProcess
commandLineArgs = $"\"{exeName}\"{commandLineArgs}";
#endif

BackendNativeMethods.PROCESS_INFORMATION processInfo = new BackendNativeMethods.PROCESS_INFORMATION();
BackendNativeMethods.PROCESS_INFORMATION processInfo = new();
BackendNativeMethods.SECURITY_ATTRIBUTES processSecurityAttributes = new();
BackendNativeMethods.SECURITY_ATTRIBUTES threadSecurityAttributes = new();
processSecurityAttributes.nLength = Marshal.SizeOf<BackendNativeMethods.SECURITY_ATTRIBUTES>();
threadSecurityAttributes.nLength = Marshal.SizeOf<BackendNativeMethods.SECURITY_ATTRIBUTES>();

bool result = BackendNativeMethods.CreateProcess
(
Expand Down Expand Up @@ -596,9 +590,18 @@ private static string GetCurrentHost()
#if RUNTIME_TYPE_NETCORE || MONO
if (CurrentHost == null)
{
using (Process currentProcess = Process.GetCurrentProcess())
string dotnetExe = Path.Combine(FileUtilities.GetFolderAbove(BuildEnvironmentHelper.Instance.CurrentMSBuildExePath, 2),
NativeMethodsShared.IsWindows ? "dotnet.exe" : "dotnet");
if (File.Exists(dotnetExe))
{
CurrentHost = dotnetExe;
}
else
{
CurrentHost = currentProcess.MainModule.FileName;
using (Process currentProcess = Process.GetCurrentProcess())
{
CurrentHost = currentProcess.MainModule.FileName;
}
}
}

Expand Down