Fixed posix support initialization

Author: otethal

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/EmulatedPosixSupport.java

@@ -262,8 +262,11 @@ public EmulatedPosixSupport(PythonContext context, boolean useNfiForSocketFd) {
     }
 
     @Override
-    public void postInitialize() {
-        environ.putAll(System.getenv());
+    public void setEnv(Env env) {
+        super.setEnv(env);
+        if (!ImageInfo.inImageBuildtimeCode()) {
+            environ.putAll(System.getenv());
+        }
     }
 
     @ExportMessage

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/LoggingPosixSupport.java

@@ -103,11 +103,6 @@ public void setEnv(Env env) {
         delegate.setEnv(env);
     }
 
-    @Override
-    public void postInitialize() {
-        delegate.postInitialize();
-    }
-
     @ExportMessage
     final String getBackend(
                     @CachedLibrary("this.delegate") PosixSupportLibrary lib) {

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/NFIPosixSupport.java

@@ -77,6 +77,7 @@
 import com.oracle.truffle.api.nodes.Node;
 import com.oracle.truffle.api.source.Source;
 import com.oracle.truffle.llvm.api.Toolchain;
+import org.graalvm.nativeimage.ImageInfo;
 
 /**
  * Implementation that invokes the native POSIX functions directly using NFI. This requires either
@@ -303,10 +304,14 @@ public NFIPosixSupport(PythonContext context, String nfiBackend) {
         this.context = context;
         this.nfiBackend = nfiBackend;
         this.cachedFunctions = new AtomicReferenceArray<>(PosixNativeFunction.values().length);
+        setEnv(context.getEnv());
     }
 
     @Override
     public void setEnv(Env env) {
+        if (ImageInfo.inImageBuildtimeCode()) {
+            return;
+        }
         // Java NIO (and TruffleFile) do not expect/support changing native working directory since
         // it is inherently thread-unsafe operation. It is not defined how NIO behaves when native
         // cwd changes, thus we need to prevent TruffleFile from resolving relative paths using

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/PosixSupport.java

@@ -46,7 +46,4 @@ public abstract class PosixSupport {
     public void setEnv(@SuppressWarnings("unused") Env env) {
         // nop
     }
-
-    public void postInitialize() {
-    }
 }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/PythonContext.java

@@ -450,7 +450,7 @@ public boolean isInitialized() {
     }
 
     public void initialize() {
-        initalizePosixSupport();
+        initializePosixSupport();
         core.initialize(this);
         setupRuntimeInformation(false);
         core.postInitialize();
@@ -463,7 +463,6 @@ public void initialize() {
 
     public void patch(Env newEnv) {
         setEnv(newEnv);
-        posixSupport.postInitialize();
         setupRuntimeInformation(true);
         core.postInitialize();
         importSiteIfForced();
@@ -562,7 +561,7 @@ private void setupRuntimeInformation(boolean isPatching) {
         isInitialized = true;
     }
 
-    private void initalizePosixSupport() {
+    private void initializePosixSupport() {
         String option = getLanguage().getEngineOption(PythonOptions.PosixModuleBackend);
         PosixSupport result;
         // The resources field will be removed once all posix builtins go through PosixSupport