fix NPE

timfel · timfel · commit fddc1a167646 · 2020-05-12T10:05:34.000+02:00
diff --git a/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/PosixResources.java b/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/PosixResources.java
@@ -122,7 +122,7 @@ public InputStream getErrorStream() {
         @Override
         public int exitValue() {
             for (Process child : children) {
-                if (child != this && !child.isAlive()) {
+                if (child != null && child != this && !child.isAlive()) {
                     return child.exitValue();
                 }
             }

Original file line number	Diff line number	Diff line change
`@@ -122,7 +122,7 @@ public InputStream getErrorStream() {`
`122`	`122`	`@Override`
`123`	`123`	`public int exitValue() {`
`124`	`124`	`for (Process child : children) {`
`125`		`- if (child != this && !child.isAlive()) {`
	`125`	`+ if (child != null && child != this && !child.isAlive()) {`
`126`	`126`	`return child.exitValue();`
`127`	`127`	`}`
`128`	`128`	`}`