io/process: null stdio channels in detached processes

Author: outfoxxed

src/core/qmlglobal.cpp

@@ -263,7 +263,6 @@ void QuickshellGlobal::execDetached(const qs::io::process::ProcessContext& conte
 	auto args = context.command.sliced(1);
 
 	QProcess process;
-
 	qs::io::process::setupProcessEnvironment(&process, context.clearEnvironment, context.environment);
 
 	if (!context.workingDirectory.isEmpty()) {
@@ -272,6 +271,14 @@ void QuickshellGlobal::execDetached(const qs::io::process::ProcessContext& conte
 
 	process.setProgram(cmd);
 	process.setArguments(args);
+
+	process.setStandardInputFile(QProcess::nullDevice());
+
+	if (context.unbindStdout) {
+		process.setStandardOutputFile(QProcess::nullDevice());
+		process.setStandardErrorFile(QProcess::nullDevice());
+	}
+
 	process.startDetached();
 }
 

src/io/process.cpp

@@ -249,6 +249,11 @@ void Process::startDetached() {
 	this->setupEnvironment(&process);
 	process.setProgram(cmd);
 	process.setArguments(args);
+
+	process.setStandardInputFile(QProcess::nullDevice());
+	process.setStandardOutputFile(QProcess::nullDevice());
+	process.setStandardErrorFile(QProcess::nullDevice());
+
 	process.startDetached();
 }
 

src/io/processcore.hpp

@@ -16,6 +16,7 @@ class ProcessContext {
 	Q_PROPERTY(QHash<QString, QVariant> environment MEMBER environment WRITE setEnvironment);
 	Q_PROPERTY(bool clearEnvironment MEMBER clearEnvironment WRITE setClearEnvironment);
 	Q_PROPERTY(QString workingDirectory MEMBER workingDirectory WRITE setWorkingDirectory);
+	Q_PROPERTY(bool unbindStdout MEMBER unbindStdout WRITE setUnbindStdout);
 	Q_GADGET;
 	QML_STRUCTURED_VALUE;
 	QML_VALUE_TYPE(processContext);
@@ -45,6 +46,8 @@ class ProcessContext {
 		this->workingDirectorySet = true;
 	}
 
+	void setUnbindStdout(bool unbindStdout) { this->unbindStdout = unbindStdout; }
+
 	QList<QString> command;
 	QHash<QString, QVariant> environment;
 	bool clearEnvironment = false;
@@ -54,6 +57,7 @@ class ProcessContext {
 	bool environmentSet : 1 = false;
 	bool clearEnvironmentSet : 1 = false;
 	bool workingDirectorySet : 1 = false;
+	bool unbindStdout : 1 = true;
 };
 
 void setupProcessEnvironment(