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Name	Size	Permission	Date
obsolete	[ DIR ]	drwxr-xr-x	2021-11-09 08:47
private	[ DIR ]	drwxr-xr-x	2021-11-09 08:47
nspr.h	1016 B	-rw-r--r--	2021-06-30 21:43
plarena.h	11.37 KB	-rw-r--r--	2021-06-30 21:43
plarenas.h	565 B	-rw-r--r--	2021-06-30 21:43
plbase64.h	2.82 KB	-rw-r--r--	2021-06-30 21:43
plerror.h	880 B	-rw-r--r--	2021-06-30 21:43
plgetopt.h	4.6 KB	-rw-r--r--	2021-06-30 21:43
plhash.h	4.72 KB	-rw-r--r--	2021-06-30 21:43
plstr.h	13.11 KB	-rw-r--r--	2021-06-30 21:43
pratom.h	5.77 KB	-rw-r--r--	2021-06-30 21:43
prbit.h	5.15 KB	-rw-r--r--	2021-06-30 21:43
prclist.h	2.42 KB	-rw-r--r--	2021-06-30 21:43
prcmon.h	2.09 KB	-rw-r--r--	2021-06-30 21:43
prcountr.h	14.41 KB	-rw-r--r--	2021-06-30 21:43
prcpucfg.h	33.59 KB	-rw-r--r--	2021-06-30 21:43
prcvar.h	3.51 KB	-rw-r--r--	2021-06-30 21:43
prdtoa.h	1.56 KB	-rw-r--r--	2021-06-30 21:43
prenv.h	6.06 KB	-rw-r--r--	2021-06-30 21:43
prerr.h	8.11 KB	-rw-r--r--	2021-06-30 21:43
prerror.h	11.24 KB	-rw-r--r--	2021-06-30 21:43
prinet.h	3.02 KB	-rw-r--r--	2021-06-30 21:43
prinit.h	6.44 KB	-rw-r--r--	2021-06-30 21:43
prinrval.h	5.21 KB	-rw-r--r--	2021-06-30 21:43
prio.h	75.63 KB	-rw-r--r--	2021-06-30 21:43
pripcsem.h	2.58 KB	-rw-r--r--	2021-06-30 21:43
prlink.h	8.16 KB	-rw-r--r--	2021-06-30 21:43
prlock.h	3.73 KB	-rw-r--r--	2021-06-30 21:43
prlog.h	6.88 KB	-rw-r--r--	2021-06-30 21:43
prlong.h	12.46 KB	-rw-r--r--	2021-06-30 21:43
prmem.h	4.65 KB	-rw-r--r--	2021-06-30 21:43
prmon.h	3.16 KB	-rw-r--r--	2021-06-30 21:43
prmwait.h	15.88 KB	-rw-r--r--	2021-06-30 21:43
prnetdb.h	19.08 KB	-rw-r--r--	2021-06-30 21:43
prolock.h	4.53 KB	-rw-r--r--	2021-06-30 21:43
prpdce.h	2.42 KB	-rw-r--r--	2021-06-30 21:43
prprf.h	4.4 KB	-rw-r--r--	2021-06-30 21:43
prproces.h	2.25 KB	-rw-r--r--	2021-06-30 21:43
prrng.h	2.4 KB	-rw-r--r--	2021-06-30 21:43
prrwlock.h	2.79 KB	-rw-r--r--	2021-06-30 21:43
prshm.h	8.27 KB	-rw-r--r--	2021-06-30 21:43
prshma.h	6.97 KB	-rw-r--r--	2021-06-30 21:43
prsystem.h	2.63 KB	-rw-r--r--	2021-06-30 21:43
prthread.h	9.85 KB	-rw-r--r--	2021-06-30 21:43
prtime.h	10 KB	-rw-r--r--	2021-06-30 21:43
prtpool.h	2.32 KB	-rw-r--r--	2021-06-30 21:43
prtrace.h	20.19 KB	-rw-r--r--	2021-06-30 21:43
prtypes.h	19.42 KB	-rw-r--r--	2021-06-30 21:43
prvrsion.h	3.46 KB	-rw-r--r--	2021-06-30 21:43
prwin16.h	5.86 KB	-rw-r--r--	2021-06-30 21:43

Rename

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
** File:        prrwlock.h
** Description: API to basic reader-writer lock functions of NSPR.
**
**/

#ifndef prrwlock_h___
#define prrwlock_h___

#include "prtypes.h"

PR_BEGIN_EXTERN_C

/*
 * PRRWLock --
 *
 *  The reader writer lock, PRRWLock, is an opaque object to the clients
 *  of NSPR.  All routines operate on a pointer to this opaque entity.
 */

typedef struct PRRWLock PRRWLock;

#define PR_RWLOCK_RANK_NONE 0

/***********************************************************************
** FUNCTION:    PR_NewRWLock
** DESCRIPTION:
**  Returns a pointer to a newly created reader-writer lock object.
** INPUTS:      Lock rank
**              Lock name
** OUTPUTS:     void
** RETURN:      PRRWLock*
**   If the lock cannot be created because of resource constraints, NULL
**   is returned.
**
***********************************************************************/
NSPR_API(PRRWLock*) PR_NewRWLock(PRUint32 lock_rank, const char *lock_name);

/***********************************************************************
** FUNCTION:    PR_DestroyRWLock
** DESCRIPTION:
**  Destroys a given RW lock object.
** INPUTS:      PRRWLock *lock - Lock to be freed.
** OUTPUTS:     void
** RETURN:      None
***********************************************************************/
NSPR_API(void) PR_DestroyRWLock(PRRWLock *lock);

/***********************************************************************
** FUNCTION:    PR_RWLock_Rlock
** DESCRIPTION:
**  Apply a read lock (non-exclusive) on a RWLock
** INPUTS:      PRRWLock *lock - Lock to be read-locked.
** OUTPUTS:     void
** RETURN:      None
***********************************************************************/
NSPR_API(void) PR_RWLock_Rlock(PRRWLock *lock);

/***********************************************************************
** FUNCTION:    PR_RWLock_Wlock
** DESCRIPTION:
**  Apply a write lock (exclusive) on a RWLock
** INPUTS:      PRRWLock *lock - Lock to write-locked.
** OUTPUTS:     void
** RETURN:      None
***********************************************************************/
NSPR_API(void) PR_RWLock_Wlock(PRRWLock *lock);

/***********************************************************************
** FUNCTION:    PR_RWLock_Unlock
** DESCRIPTION:
**  Release a RW lock. Unlocking an unlocked lock has undefined results.
** INPUTS:      PRRWLock *lock - Lock to unlocked.
** OUTPUTS:     void
** RETURN:      void
***********************************************************************/
NSPR_API(void) PR_RWLock_Unlock(PRRWLock *lock);

PR_END_EXTERN_C

#endif /* prrwlock_h___ */