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      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /*
      3  * The contents of this file are subject to the Mozilla Public
      4  * License Version 1.1 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of
      6  * the License at http://www.mozilla.org/MPL/
      7  *
      8  * Software distributed under the License is distributed on an "AS
      9  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
     10  * implied. See the License for the specific language governing
     11  * rights and limitations under the License.
     12  *
     13  * The Original Code is the Netscape Portable Runtime (NSPR).
     14  *
     15  * The Initial Developer of the Original Code is Netscape
     16  * Communications Corporation.  Portions created by Netscape are
     17  * Copyright (C) 1999-2000 Netscape Communications Corporation.  All
     18  * Rights Reserved.
     19  *
     20  * Contributor(s):
     21  *
     22  * Alternatively, the contents of this file may be used under the
     23  * terms of the GNU General Public License Version 2 or later (the
     24  * "GPL"), in which case the provisions of the GPL are applicable
     25  * instead of those above.  If you wish to allow use of your
     26  * version of this file only under the terms of the GPL and not to
     27  * allow others to use your version of this file under the MPL,
     28  * indicate your decision by deleting the provisions above and
     29  * replace them with the notice and other provisions required by
     30  * the GPL.  If you do not delete the provisions above, a recipient
     31  * may use your version of this file under either the MPL or the
     32  * GPL.
     33  */
     34 
     35 #ifndef prtpool_h___
     36 #define prtpool_h___
     37 
     38 #include "prtypes.h"
     39 #include "prthread.h"
     40 #include "prio.h"
     41 #include "prerror.h"
     42 
     43 /*
     44  * NOTE:
     45  *		THIS API IS A PRELIMINARY VERSION IN NSPR 4.0 AND IS SUBJECT TO
     46  *		CHANGE
     47  */
     48 
     49 PR_BEGIN_EXTERN_C
     50 
     51 typedef struct PRJobIoDesc {
     52     PRFileDesc *socket;
     53     PRErrorCode error;
     54     PRIntervalTime timeout;
     55 } PRJobIoDesc;
     56 
     57 typedef struct PRThreadPool PRThreadPool;
     58 typedef struct PRJob PRJob;
     59 typedef void (PR_CALLBACK *PRJobFn) (void *arg);
     60 
     61 /* Create thread pool */
     62 NSPR_API(PRThreadPool *)
     63 PR_CreateThreadPool(PRInt32 initial_threads, PRInt32 max_threads,
     64                           PRUint32 stacksize);
     65 
     66 /* queue a job */
     67 NSPR_API(PRJob *)
     68 PR_QueueJob(PRThreadPool *tpool, PRJobFn fn, void *arg, PRBool joinable);
     69 
     70 /* queue a job, when a socket is readable */
     71 NSPR_API(PRJob *)
     72 PR_QueueJob_Read(PRThreadPool *tpool, PRJobIoDesc *iod,
     73 							PRJobFn fn, void * arg, PRBool joinable);
     74 
     75 /* queue a job, when a socket is writeable */
     76 NSPR_API(PRJob *)
     77 PR_QueueJob_Write(PRThreadPool *tpool, PRJobIoDesc *iod,
     78 								PRJobFn fn, void * arg, PRBool joinable);
     79 
     80 /* queue a job, when a socket has a pending connection */
     81 NSPR_API(PRJob *)
     82 PR_QueueJob_Accept(PRThreadPool *tpool, PRJobIoDesc *iod,
     83 									PRJobFn fn, void * arg, PRBool joinable);
     84 
     85 /* queue a job, when the socket connection to addr succeeds or fails */
     86 NSPR_API(PRJob *)
     87 PR_QueueJob_Connect(PRThreadPool *tpool, PRJobIoDesc *iod,
     88 			const PRNetAddr *addr, PRJobFn fn, void * arg, PRBool joinable);
     89 
     90 /* queue a job, when a timer exipres */
     91 NSPR_API(PRJob *)
     92 PR_QueueJob_Timer(PRThreadPool *tpool, PRIntervalTime timeout,
     93 								PRJobFn fn, void * arg, PRBool joinable);
     94 /* cancel a job */
     95 NSPR_API(PRStatus)
     96 PR_CancelJob(PRJob *job);
     97 
     98 /* join a job */
     99 NSPR_API(PRStatus)
    100 PR_JoinJob(PRJob *job);
    101 
    102 /* shutdown pool */
    103 NSPR_API(PRStatus)
    104 PR_ShutdownThreadPool(PRThreadPool *tpool);
    105 
    106 /* join pool, wait for exit of all threads */
    107 NSPR_API(PRStatus)
    108 PR_JoinThreadPool(PRThreadPool *tpool);
    109 
    110 PR_END_EXTERN_C
    111 
    112 #endif /* prtpool_h___ */
    113