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/* 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/. */
#ifndef BASET_H
#define BASET_H
/*
* baset.h
*
* This file contains definitions for the basic types used throughout
* nss but not available publicly.
*/
#ifndef NSSBASET_H
#include "nssbaset.h"
#endif /* NSSBASET_H */
#include "plhash.h"
PR_BEGIN_EXTERN_C
/*
* nssArenaMark
*
* This type is used to mark the current state of an NSSArena.
*/
struct nssArenaMarkStr;
typedef struct nssArenaMarkStr nssArenaMark;
#ifdef DEBUG
/*
* ARENA_THREADMARK
*
* Optionally, this arena implementation can be compiled with some
* runtime checking enabled, which will catch the situation where
* one thread "marks" the arena, another thread allocates memory,
* and then the mark is released. Usually this is a surprise to
* the second thread, and this leads to weird runtime errors.
* Define ARENA_THREADMARK to catch these cases; we define it for all
* (internal and external) debug builds.
*/
#define ARENA_THREADMARK
/*
* ARENA_DESTRUCTOR_LIST
*
* Unfortunately, our pointer-tracker facility, used in debug
* builds to agressively fight invalid pointers, requries that
* pointers be deregistered when objects are destroyed. This
* conflicts with the standard arena usage where "memory-only"
* objects (that don't hold onto resources outside the arena)
* can be allocated in an arena, and never destroyed other than
* when the arena is destroyed. Therefore we have added a
* destructor-registratio facility to our arenas. This was not
* a simple decision, since we're getting ever-further away from
* the original arena philosophy. However, it was felt that
* adding this in debug builds wouldn't be so bad; as it would
* discourage them from being used for "serious" purposes.
* This facility requires ARENA_THREADMARK to be defined.
*/
#ifdef ARENA_THREADMARK
#define ARENA_DESTRUCTOR_LIST
#endif /* ARENA_THREADMARK */
#endif /* DEBUG */
typedef struct nssListStr nssList;
typedef struct nssListIteratorStr nssListIterator;
typedef PRBool (* nssListCompareFunc)(void *a, void *b);
typedef PRIntn (* nssListSortFunc)(void *a, void *b);
typedef void (* nssListElementDestructorFunc)(void *el);
typedef struct nssHashStr nssHash;
typedef void (PR_CALLBACK *nssHashIterator)(const void *key,
void *value,
void *arg);
/*
* nssPointerTracker
*
* This type is used in debug builds (both external and internal) to
* track our object pointers. Objects of this type must be statically
* allocated, which means the structure size must be available to the
* compiler. Therefore we must expose the contents of this structure.
* But please don't access elements directly; use the accessors.
*/
#ifdef DEBUG
struct nssPointerTrackerStr {
PRCallOnceType once;
PZLock *lock;
PLHashTable *table;
};
typedef struct nssPointerTrackerStr nssPointerTracker;
#endif /* DEBUG */
/*
* nssStringType
*
* There are several types of strings in the real world. We try to
* use only UTF8 and avoid the rest, but that's not always possible.
* So we have a couple converter routines to go to and from the other
* string types. We have to be able to specify those string types,
* so we have this enumeration.
*/
enum nssStringTypeEnum {
nssStringType_DirectoryString,
nssStringType_TeletexString, /* Not "teletext" with trailing 't' */
nssStringType_PrintableString,
nssStringType_UniversalString,
nssStringType_BMPString,
nssStringType_UTF8String,
nssStringType_PHGString,
nssStringType_GeneralString,
nssStringType_Unknown = -1
};
typedef enum nssStringTypeEnum nssStringType;
PR_END_EXTERN_C
#endif /* BASET_H */
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