Merge pull request #303 from WilburZjh/criunativeprng_fix

Restore behavior on platforms where CRIU is supported but not in use

src/java.base/unix/classes/sun/security/provider/NativePRNG.java

@@ -25,7 +25,7 @@
 
 /*
  * ===========================================================================
- * (c) Copyright IBM Corp. 2022, 2023 All Rights Reserved
+ * (c) Copyright IBM Corp. 2022, 2024 All Rights Reserved
  * ===========================================================================
  */
 
@@ -507,8 +507,9 @@ private static void readFully(InputStream in, byte[] data, Variant variant)
  if (in.readNBytes(data, 0, len) < len) {
  throw new IOException("Could not read from file(s)");
  }
+ return;
  }
- /*[ELSE] CRIU_SUPPORT */
+ /*[ENDIF] CRIU_SUPPORT */
  int ofs = 0;
  while (len > 0) {
  int k = in.read(data, ofs, len);
@@ -521,7 +522,6 @@ private static void readFully(InputStream in, byte[] data, Variant variant)
  if (len > 0) {
  throw new IOException("Could not read from file(s)");
  }
- /*[ENDIF] CRIU_SUPPORT */
  }
 
  // get true random bytes, just read from "seed"
@@ -633,8 +633,9 @@ private void implNextBytes(byte[] data) {
  for (int i = 0; i < data.length; i++) {
  data[i] ^= rawData[i];
  }
+ return;
  }
- /*[ELSE] CRIU_SUPPORT */
+ /*[ENDIF] CRIU_SUPPORT */
  int data_len = data.length;
  int ofs = 0;
  int len;
@@ -664,7 +665,6 @@ private void implNextBytes(byte[] data) {
  }
  data_len -= len;
  }
- /*[ENDIF] CRIU_SUPPORT */
  } catch (IOException e){
  throw new ProviderException("nextBytes() failed", e);
  }