slawekjaranowski commented on code in PR #113:
URL: https://github.com/apache/maven-shared-utils/pull/113#discussion_r931495170


##########
src/main/java/org/apache/maven/shared/utils/cli/CommandLineUtils.java:
##########
@@ -288,31 +279,13 @@ public Integer call()
                     errorPumper.setName( "StreamPumper-systemErr" );
                     errorPumper.start();
 
-                    int returnValue;
-                    if ( timeoutInSeconds <= 0 )
+                    if ( timeoutInSeconds > 0 && !p.waitFor( timeoutInSeconds, 
TimeUnit.SECONDS ) )

Review Comment:
   There is defined `ShutDownHook` lines 237 - 253, and it is also called in 
line 362
   
   There are also `pumper` threads which consume all outputs of process.



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