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basic_string.h: Change _*_references to _*_refcount.

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2003-12-15  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/basic_string.h: Change _*_references to _*_refcount.
	* include/bits/locale_classes.h: Same.
	* src/locale.cc: Same.
	* src/locale_name.cc: Same.
	* src/locale_init.cc: Same.

From-SVN: r74645
This commit is contained in:
Benjamin Kosnik 2003-12-15 19:48:50 +00:00 committed by Benjamin Kosnik
parent 61a8f1edff
commit 1313d87fd3
6 changed files with 29 additions and 21 deletions
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8
libstdc++-v3/ChangeLog
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@ -1,3 +1,11 @@
2003-12-15 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/basic_string.h: Change _*_references to _*_refcount.
* include/bits/locale_classes.h: Same.
* src/locale.cc: Same.
* src/locale_name.cc: Same.
* src/locale_init.cc: Same.
2003-12-15 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/12855

16
libstdc++-v3/include/bits/basic_string.h
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@ -134,7 +134,7 @@ namespace std
// _CharT() where the interface does not require it.
// 2. _M_capacity >= _M_length
// Allocated memory is always _M_capacity + (1 * sizeof(_CharT)).
// 3. _M_references has three states:
// 3. _M_refcount has three states:
// -1: leaked, one reference, no ref-copies allowed, non-const.
// 0: one reference, non-const.
// n>0: n + 1 references, operations require a lock, const.
@ -146,7 +146,7 @@ namespace std
{
size_type _M_length;
size_type _M_capacity;
_Atomic_word _M_references;
_Atomic_word _M_refcount;
};
struct _Rep : _Rep_base
@ -180,19 +180,19 @@ namespace std
bool
_M_is_leaked() const
{ return this->_M_references < 0; }
{ return this->_M_refcount < 0; }
bool
_M_is_shared() const
{ return this->_M_references > 0; }
{ return this->_M_refcount > 0; }
void
_M_set_leaked()
{ this->_M_references = -1; }
{ this->_M_refcount = -1; }
void
_M_set_sharable()
{ this->_M_references = 0; }
{ this->_M_refcount = 0; }
_CharT*
_M_refdata() throw()
@ -217,7 +217,7 @@ namespace std
_M_dispose(const _Alloc& __a)
{
if (__builtin_expect(this != &_S_empty_rep(), false))
if (__exchange_and_add(&this->_M_references, -1) <= 0)
if (__exchange_and_add(&this->_M_refcount, -1) <= 0)
_M_destroy(__a);
} // XXX MT
@ -228,7 +228,7 @@ namespace std
_M_refcopy() throw()
{
if (__builtin_expect(this != &_S_empty_rep(), false))
__atomic_add(&this->_M_references, 1);
__atomic_add(&this->_M_refcount, 1);
return _M_refdata();
} // XXX MT

16
libstdc++-v3/include/bits/locale_classes.h
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@ -191,7 +191,7 @@ namespace std
friend class locale;
friend class locale::_Impl;
mutable _Atomic_word _M_references;
mutable _Atomic_word _M_refcount;
// Contains data from the underlying "C" library for the classic locale.
static __c_locale _S_c_locale;
@ -208,7 +208,7 @@ namespace std
protected:
explicit
facet(size_t __refs = 0) throw() : _M_references(__refs ? 1 : 0)
facet(size_t __refs = 0) throw() : _M_refcount(__refs ? 1 : 0)
{ }
virtual
@ -235,12 +235,12 @@ namespace std
private:
inline void
_M_add_reference() const throw()
{ __atomic_add(&_M_references, 1); }
{ __atomic_add(&_M_refcount, 1); }
inline void
_M_remove_reference() const throw()
{
if (__exchange_and_add(&_M_references, -1) == 1)
if (__exchange_and_add(&_M_refcount, -1) == 1)
{
try
{ delete this; }
@ -277,7 +277,7 @@ namespace std
mutable size_t _M_index;
// Last id number assigned.
static _Atomic_word _S_highwater;
static _Atomic_word _S_refcount;
void
operator=(const id&); // Not defined.
@ -315,7 +315,7 @@ namespace std
private:
// Data Members.
_Atomic_word _M_references;
_Atomic_word _M_refcount;
const facet** _M_facets;
size_t _M_facets_size;
const facet** _M_caches;
@ -330,12 +330,12 @@ namespace std
inline void
_M_add_reference() throw()
{ __atomic_add(&_M_references, 1); }
{ __atomic_add(&_M_refcount, 1); }
inline void
_M_remove_reference() throw()
{
if (__exchange_and_add(&_M_references, -1) == 1)
if (__exchange_and_add(&_M_refcount, -1) == 1)
{
try
{ delete this; }

6
libstdc++-v3/src/locale.cc
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@ -211,7 +211,7 @@ namespace std
// Clone existing _Impl object.
locale::_Impl::
_Impl(const _Impl& __imp, size_t __refs)
: _M_references(__refs), _M_facets_size(__imp._M_facets_size)
: _M_refcount(__refs), _M_facets_size(__imp._M_facets_size)
{
_M_facets = _M_caches = 0;
_M_names = 0;
@ -350,13 +350,13 @@ namespace std
// locale::id
// Definitions for static const data members of locale::id
_Atomic_word locale::id::_S_highwater; // init'd to 0 by linker
_Atomic_word locale::id::_S_refcount; // init'd to 0 by linker
size_t
locale::id::_M_id() const
{
if (!_M_index)
_M_index = 1 + __exchange_and_add(&_S_highwater, 1);
_M_index = 1 + __exchange_and_add(&_S_refcount, 1);
return _M_index - 1;
}
} // namespace std

2
libstdc++-v3/src/locale_init.cc
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@ -241,7 +241,7 @@ namespace std
// Construct "C" _Impl.
locale::_Impl::
_Impl(size_t __refs) throw()
: _M_references(__refs), _M_facets_size(_GLIBCXX_NUM_FACETS)
: _M_refcount(__refs), _M_facets_size(_GLIBCXX_NUM_FACETS)
{
_M_facets = new (&facet_vec) const facet*[_M_facets_size];
_M_caches = new (&cache_vec) const facet*[_M_facets_size];

2
libstdc++-v3/src/localename.cc
View File

@ -178,7 +178,7 @@ namespace std
// Construct named _Impl.
locale::_Impl::
_Impl(const char* __s, size_t __refs)
: _M_references(__refs), _M_facets_size(_GLIBCXX_NUM_FACETS)
: _M_refcount(__refs), _M_facets_size(_GLIBCXX_NUM_FACETS)
{
// Initialize the underlying locale model, which also checks to
// see if the given name is valid.