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Use thread-safe writeln in dart-sdk 3.3 #2206

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Use thread-safe writeln in dart-sdk 3.3 #2206

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13 changes: 2 additions & 11 deletions lib/src/io/vm.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -32,20 +32,11 @@ bool get supportsAnsiEscapes {
}

void safePrint(Object? message) {
_threadSafeWriteLn(io.stdout, message);
io.stdout.writeln(message.toString());
}

void printError(Object? message) {
_threadSafeWriteLn(io.stderr, message);
}

void _threadSafeWriteLn(io.IOSink sink, Object? message) {
// This does have performance penality of copying buffer
// if message is already a StringBuffer.
// https://github.com/dart-lang/sdk/issues/53471.
var buffer = StringBuffer(message.toString());
buffer.writeln();
sink.write(buffer);
io.stderr.writeln(message.toString());
}

String readFile(String path) {
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