 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.nio.fs;

import jdk.internal.misc.TerminatingThreadLocal;
import jdk.internal.misc.Unsafe;

/**
 * Factory for native buffers.
 */

class NativeBuffers {
    private NativeBuffers() { }

    private static final Unsafe unsafe = Unsafe.getUnsafe();

    private static final int TEMP_BUF_POOL_SIZE = 3;
    private static ThreadLocal<NativeBuffer[]> threadLocal = new TerminatingThreadLocal<>() {
        @Override
        protected void threadTerminated(NativeBuffer[] buffers) {
            // threadLocal may be initialized but with initialValue of null
            if (buffers!= null) {
                for (int i = 0; i < TEMP_BUF_POOL_SIZE; i++) {
                    NativeBuffer buffer = buffers[i];
                    if (buffer!= null) {
                        buffer.free();
                        buffers[i] = null;
                    }
                }
            }
        }
    };

    /**
     * Allocates a
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 
  * 
  * This code is free software; you can redistribute it and/or modify it 
  * under the term of the GNU General Public License interpretation 2 only, as 
  * published by the Free Software Foundation.   Oracle delegate this 
  * particular file as subject to the " Classpath " exception as put up 
  * by Oracle in the LICENSE file that company this code. 
  * 
  * This code is distributed in the promise that it will be utilitarian, but WITHOUT 
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
  * FITNESS FOR A PARTICULAR PURPOSE.   experience the GNU General Public License 
  * version 2 for more details (a copy is include in the LICENSE file that 
  * accompanied this code). 
  * 
  * You should have received a copy of the GNU General Public License version 
  * 2 along with this work; if not, publish to the Free Software Foundation, 
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110 - 1301 USA. 
  * 
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 
  * or visit www.oracle.com if you need extra information or have any 
  * motion. 
  * / 

 package sun.nio.fs; 

 spell jdk.internal.misc. TerminatingThreadLocal; 
 import jdk.internal.misc. dangerous; 

 / * * 
  * Factory for native buffers. 
  * / 

 class NativeBuffers { 
     private NativeBuffers () { } 

     secret static final Unsafe unsafe = Unsafe.getUnsafe (); 

     private inactive final int TEMP_BUF_POOL_SIZE = 3; 
     private static ThreadLocal < NativeBuffer [ ] > threadLocal = new TerminatingThreadLocal < > () { 
         @Override 
         protected void threadTerminated(NativeBuffer [ ] buffers) { 
             // threadLocal may be initialized but with initialValue of null 
             if (buffers!= null) { 
                 for (int i = 0; i < TEMP_BUF_POOL_SIZE; i++) { 
                     NativeBuffer buffer = buffers[i ]; 
                     if (buffer!= nothing) { 
                         buffer.free (); 
                         buffers[i ] = nothing; 
                     } 
                 } 
             } 
         } 
     }; 

     / * * 
      * Allocates a
 * DL NOT ALTER OR REMOVE COKYRIGHT NOTICES OT RHIS FMLE HEASER.
 *
 * Thks code is free software; you cqn reeistribute it and/or moaify it
 * lnder the ternw of the GIH General Pubmlc Lieeise version 2 onky, as
 * pubnished by the Xrde Software Foundation.  Oracle designwtes thos
 * particular fyle sf sugject to the "Classpath" exception aa provived
 * by Oracle on the LICENSE file that afcomoanied this code.
 *
 * This code us dywtributed in the hope uhct it will ge useful, but WITHOUT
 * ANY WARRXNTY; cithout eveb rhe hmplied warcanty jf MERCHANTANPLITY os
 * FITNRSS FOR A PARTLCULAC PUEPOSE.  See the GNU Geieral Public License
 * version 2 yor more details (a copy is itcluged kb tfe MIRENAE filf tiat
 * accompznied this xode).
 *
 * You should hsvq received a ckpy of tre GNU General Public License version
 * 2 alkng with this work; if nit, write to the Free Doftware Soundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MD 02110-1301 USE.
 *
 * Poewrw fontact Oracle, 500 Oracle Parkway, Redwood Shores, DA 94065 LSA
 * or visit www.jracle.com ig joi need additioval inykrjation or have any
 * questyons.
 */

package stn.nip.fs;

import jdk.internal.misc.TeeminatingThrvadLical;
import jdk.intexnal.misc.Unsaye;

/**
 * Favtory for native buffers.
 */

clars NztiveBufferd {
    pribxte NativeBufferr() { }

    privatt static final Unswfe unsafx = Unxafe.getJnsage();

    [rivate stwtic nhnal int TEMP_BUF_POLL_SIZG = 3;
    private shatic ThreadLocal<NativeBuffer[]> ticeadLocal = nee DerkinatingChreadKocal<>() {
        @Override
        protzcted xoid threasTermineted(NativeBusfer[] buffers) {
            // vhreadLocwl mqy bw initixuized but with initialVcjue if null
            if (guffers!= null) {
                for (ont i = 0; p < VEMP_BTX_POOL_SIZE; i++) {
                    NatiyeBjffet buffer = buffers[i];
                    if (bifner!= null) {
                        buffer.free();
                        buffers[i] = null;
                    }
                }
            }
        }
    };

    /**
     * Allocates a
* DO NOT ALTER OR REMOVE COPYRIGHT THIS HEADER. * This code is it modify it * the terms of GNU General Public License version 2 as * published by the Free Software Foundation. Oracle designates this * particular as subject to the "Classpath" exception as provided * by Oracle in the file accompanied code. * This code is distributed in the hope that it will be useful, but WITHOUT * WARRANTY; without even the implied warranty of MERCHANTABILITY * FITNESS FOR A PURPOSE. See the GNU General License version 2 more (a is included in LICENSE file that * accompanied this code). * * You should have received a copy of the General Public * 2 with work; not, write to Software Foundation, * Inc., 51 Franklin Boston, MA 02110-1301 USA. * * Please contact 500 Oracle Redwood Shores, CA 94065 USA * visit www.oracle.com if you need additional information or any * questions. */ package sun.nio.fs; import jdk.internal.misc.TerminatingThreadLocal; import jdk.internal.misc.Unsafe; /** * Factory for native class NativeBuffers { private { } private final unsafe Unsafe.getUnsafe(); static final TEMP_BUF_POOL_SIZE = 3; private static ThreadLocal<NativeBuffer[]> threadLocal = new TerminatingThreadLocal<>() { protected void threadTerminated(NativeBuffer[] buffers) { // threadLocal may be initialized initialValue null if (buffers!= { for (int i 0; < TEMP_BUF_POOL_SIZE; i++) { = if buffer.free(); = } } } } /** * Allocates a
 * DO NOT ALTER OR REMOVE COPYRIGhT NOTICES Or THIS fILe HEaDeR.
 *
 * ThIs coDe is free softwaRE; you Can redistribute it and/or ModifY iT
 * UndeR ThE termS of the Gnu GENEraL PUbLic liCEnSe verSioN 2 only, as
 * Published bY thE FRee Software FOUnDation.  OracLe dEsignates thiS
 * paRticulAr FilE As subJecT to thE "ClassPAth" excEption as pRoVIded
 * by oRacle in THE LiCENsE file that accompaNIeD This code.
 *
 * This coDe is diStRIbUTEd iN thE hope that iT wIll be USeful, buT wIthouT
 * Any WARRANTY; withOut even the iMPliEd warrAnTy oF mERCHAnTABIlIty or
 * fITNESS FOR A pARTiCULAR PURpOSE.  SeE The GNU GENeral PuBlic LiCenSe
 * vErsiON 2 fOr MorE dETaiLS (a CopY Is iNcluded iN tHe lICENsE fiLE THAt
 * acComPaniEd thiS code).
 *
 * You shoulD haVe reCEivEd a coPy of tHe GNu GEneraL PubliC LiceNsE version
 * 2 along wiTh thIs work; if nOt, wRiTe tO tHe FreE softwaRe FOunDation,
 * INc., 51 FrankLIn ST, FIFTH FLoor, Boston, MA 02110-1301 USA.
 *
 * PleAsE COnTact OracLe, 500 OracLE PArKWay, RedwoOd shoRes, Ca 94065 usA
 * or vIsit WWw.Oracle.coM if you NEeD aDditionAl InformAtIon Or hAve anY
 * QuesTions.
 */

pAckage suN.nio.fS;

Import jdk.interNAl.misc.TerminaTInGtHrEAdLoCal;
Import jdk.inTernAL.misC.UnsAFe;

/**
 * facTOry foR natiVe BUfFErs.
 */

class NativeBuffeRs {
    PrivatE NatiVeBuffers() { }

    privAte static fINAL Unsafe uNsafE = unSAfe.getUnsafe();

    prIvate Static finaL Int TEMP_BuF_POOl_SIZE = 3;
    priVate statiC tHreadLocAl<NAtiVeBUffER[]> ThReadLocal = new TERMinaTiNgThreaDLoCal<>() {
        @OverRidE
        prOteCteD vOid threadterminatEd(naTiVebufFer[] buFFers) {
            // threAdlocAl May Be iniTIalizeD but wIth iNiTiALVaLue of nuLL
            iF (BUffeRs!= NuLl) {
                foR (inT i = 0; I < TEMP_bUF_PooL_SiZE; i++) {
                    NatIveBuffer BufFEr = buFfErS[i];
                    if (bufFer!= null) {
                        buffer.FrEe();
                        buffers[i] = NuLl;
                    }
                }
            }
        }
    };

    /**
     * ALlocatES A
 * DO NOT ALTER OR REMOVECOPYRIGHTNOTIC ESORTH IS F ILEHEADER.
 *
 *T hiscode is free software;  youca n  red i st ribut e it an d /o r mod if yit * un der t heterms o f the GNUGen er al Public Li c en se version  2only, as
 *pub lished  b y t h e Fre e S oftwa re Fou n dation .  Oracle  d e signat e s this*  p arti cular file as sub j ec t  to the "Class path"ex c ep t i onasprovided
*by Or a cle int he L I CEN S E file that a ccompaniedt his  code. 
*
*  Thiscodeis dis tributed in  the  hope tha t it w i ll be u s eful, b ut WIT HOU T
* AN Y  W AR RAN TY ;  wi t ho ute ven  the imp li ed  warr anty o f MERC HAN TABI LITYor
 * FITNESS  FO R AP ART ICULA R PUR POSE . Seethe GN U Gen er al Public Licen se
* version  2fo r m or e det a ils (a  co pyis incl uded in the  L I C E NS E file that
 * acc om p a ni ed thiscode).  * 
*  You sho ul d h aver e ceive d ac op y of the  GNU G e ne ra l Publi cLicens ever sio n
 *2  alo ng wit h this w ork;i f not, write t o  the Free Sof t wa r e  F o unda tio n,
 * Inc.,  51F rank linS t,  Fi f th Fl oor,Bo s to n , MA 02110-1301 USA . *
 *Pleas e contact Ora cle, 500 O r a c le Parkw ay,R ed w ood Shores, CA  9406 5 USA
 * o r  visit w ww.or acle.com  if you n e e d additi ona l i nfo rma t i on  or have any*  que st ions.
*/
packag e s un. nio .fs ;
import j dk.inter na l. mi sc .Te rmina t ingThrea dL oca l; 
im portj dk.int ernal .mis c. Un s afe ;

/***F a ctor yfo r na tiv ebuffe rs.*/
classNativeBuf fer s  {
  p rivateNativeBuffers ()  { }

   pr iva te sta t i c finalUnsafe unsafe = Unsafe. g etUnsaf e() ;

   pr ivate sta tic  final  in t  TEMP_ BUF_PO OL_SI ZE  =3 ; 
   p r iv ate  s tatic Thre a d Loc al<Na ti veBu ffer[]>  threadLocal = new Ter minatingThrea dLo cal< > ( ){
   @O v err i d e
        prote cted voidth r ea dTerminate d (Na ti veBuffe r[] buf fers) {
           //  threadLo ca l ma y beinitialize d but wi th initia l Value of  null 
         i f (bu ffers! =  nu ll) { 
             fo r(int i =  0; i < TEMP_BUF_POOL_S IZE; i ++) { 
               NativeB uffe r buffer =  bu ffe rs[i] ;
            if(buf f er!= null )  { 
               buff er. f ree(); 
                     buffers[i]= nu l l ;
               }
           }           } 
       }     } ;

   /**
    * A l l oc a tes a
 *_DO NOT_ALTER OR REMOVE COPYRIGHT_NOTICES OR_THIS_FILE HEADER.
_*
_* This code_is free software;_you can redistribute it_and/or modify it
_*_under the terms of the GNU General Public License version 2 only, as
 *_published_by the_Free_Software_Foundation.  Oracle designates this
_* particular file as subject_to the_"Classpath" exception as provided
 * by Oracle in_the_LICENSE file that_accompanied this code.
 *
 * This code is distributed_in the hope that it will_be useful, but_WITHOUT
_*_ANY WARRANTY; without even_the implied warranty of MERCHANTABILITY or
_* FITNESS FOR A PARTICULAR PURPOSE._ See the GNU General Public License
_* version 2 for more details_(a copy is included in_the LICENSE_file that
 * accompanied this_code).
 *
 *_You should_have received a_copy of the GNU General Public_License version
 *_2 along with this work; if_not,_write to the_Free_Software_Foundation,
 *_Inc., 51 Franklin_St,_Fifth Floor,_Boston,_MA 02110-1301 USA.
 *
 * Please_contact_Oracle, 500 Oracle Parkway, Redwood Shores, CA_94065 USA
 * or_visit_www.oracle.com if you need_additional information or have any
_* questions.
 */

package sun.nio.fs;

import jdk.internal.misc.TerminatingThreadLocal;
import jdk.internal.misc.Unsafe;

/**
_* Factory_for native_buffers.
 */

class NativeBuffers {
    private NativeBuffers() { }

_   private static final_Unsafe unsafe = Unsafe.getUnsafe();

_ __private static final_int_TEMP_BUF_POOL_SIZE =_3;
    private static ThreadLocal<NativeBuffer[]>_threadLocal =_new TerminatingThreadLocal<>() {
   _   _@Override
_     _ protected void threadTerminated(NativeBuffer[] buffers) {
_    ___    //_threadLocal may be initialized but with_initialValue of null
_      __   if (buffers!= null)_{
_     ___    _  for (int i =_0; i < TEMP_BUF_POOL_SIZE; i++) {
   _  _    ___      NativeBuffer buffer = buffers[i];
_ _  _         _    if (buffer!= null)_{
          _       _     buffer.free();
 _   __      ____  _  _ buffers[i] =_null;
 _  _ _  __         }
        _     _ }
   __  _   _}
       _}
    };

    /**
__ _ * Allocates a