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prevent dead lock on large error stream from external process

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This commit is contained in:
Volker Berlin 2020-04-18 11:25:11 +02:00
parent 850d990264
commit 5a665b7c11
1 changed files with 6 additions and 2 deletions
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8
test/de/inetsoftware/jwebassembly/WasmRule.java
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@ -494,8 +494,12 @@ public class WasmRule extends TemporaryFolder {
String stdoutMessage = ""; String stdoutMessage = "";
String errorMessage = ""; String errorMessage = "";
do { do {
stdoutMessage += readStream( process.getInputStream() ); if( process.getInputStream().available() > 0 ) {
errorMessage += readStream( process.getErrorStream() ); stdoutMessage += readStream( process.getInputStream() );
}
if( process.getErrorStream().available() > 0 ) {
errorMessage += readStream( process.getErrorStream() );
}
} }
while( !process.waitFor( 10, TimeUnit.MILLISECONDS ) ); while( !process.waitFor( 10, TimeUnit.MILLISECONDS ) );
stdoutMessage += readStream( process.getInputStream() ); stdoutMessage += readStream( process.getInputStream() );