Poller.blockedThreads may trigger usge of polling facility before any I/O

Author: AlanBateman

src/java.base/linux/classes/sun/nio/ch/EPoll.java

@@ -50,6 +50,9 @@ private EPoll() { }
      *     epoll_data_t data;
      * }
      */
+    static {
+        IOUtil.load();
+    }
     private static final int SIZEOF_EPOLLEVENT   = eventSize();
     private static final int OFFSETOF_EVENTS     = eventsOffset();
     private static final int OFFSETOF_FD         = dataOffset();
@@ -115,8 +118,4 @@ static int getEvents(long eventAddress) {
 
     static native int wait(int epfd, long pollAddress, int numfds, int timeout)
         throws IOException;
-
-    static {
-        IOUtil.load();
-    }
 }

src/java.base/macosx/classes/sun/nio/ch/KQueue.java

@@ -47,6 +47,9 @@ private KQueue() { }
      *        void            *udata;         // opaque user data identifier
      * };
      */
+    static {
+        IOUtil.load();
+    }
     private static final int SIZEOF_KQUEUEEVENT    = keventSize();
     private static final int OFFSET_IDENT          = identOffset();
     private static final int OFFSET_FILTER         = filterOffset();
@@ -114,8 +117,4 @@ static short getFlags(long address) {
 
     static native int poll(int kqfd, long pollAddress, int nevents, long timeout)
         throws IOException;
-
-    static {
-        IOUtil.load();
-    }
 }

src/java.base/windows/classes/sun/nio/ch/WEPoll.java

@@ -52,6 +52,9 @@ private WEPoll() { }
      *     epoll_data_t data;
      * }
      */
+    static {
+        IOUtil.load();
+    }
     private static final int SIZEOF_EPOLLEVENT   = eventSize();
     private static final int OFFSETOF_EVENTS     = eventsOffset();
     private static final int OFFSETOF_SOCK       = dataOffset();
@@ -139,8 +142,4 @@ static native int wait(long h, long pollAddress, int numfds, int timeout)
         throws IOException;
 
     static native void close(long h);
-
-    static {
-        IOUtil.load();
-    }
 }

src/java.base/windows/classes/sun/nio/ch/WSAPoll.java

@@ -43,6 +43,9 @@ private WSAPoll() { }
      *   SHORT revents;
      * } WSAPOLLFD;
      */
+    static {
+        IOUtil.load();
+    }
     private static final int SIZE_POLLFD    = pollfdSize();
     private static final int FD_OFFSET      = fdOffset();
     private static final int EVENTS_OFFSET  = eventsOffset();
@@ -131,8 +134,4 @@ static short getRevents(long address, int i) {
 
     static native int poll(long pollAddress, int numfds, int timeout)
         throws IOException;
-
-    static {
-        IOUtil.load();
-    }
 }