Commit 5b5e609d by Benjamin Kosnik

[multiple changes]


2001-12-04  Benjamin Kosnik  <bkoz@redhat.com>

	* src/Makefile.am (sources): Add ext-inst.cc.
	* src/Makefile.in: Regenerate.
	* src/ext-inst.cc: New file.
	* include/bits/stl_threads.h: Format.
	* src/globals.cc: Add instantiation for _S_swap_lock.

	* testsuite/18_support/numeric_limits.cc: Add numeric_limits<B>
	instantiation.

2001-12-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

	* testsuite/22_locale/numpunct_members_wchar_t.cc: Only compile
	and execute test01 if _GLIBCPP_USE_WCHAR_T is defined.
	* testsuite/26_numerics/complex_inserters_extractors.cc: Provide
	for explicit instantiation of class std::basic_string<char,
	gnu_char_traits, std::allocator<char> >.

From-SVN: r47622
parent 344c6d1f
2001-12-04 Benjamin Kosnik <bkoz@redhat.com>
* src/Makefile.am (sources): Add ext-inst.cc.
* src/Makefile.in: Regenerate.
* src/ext-inst.cc: New file.
* include/bits/stl_threads.h: Format.
* src/globals.cc: Add instantiation for _S_swap_lock.
* testsuite/18_support/numeric_limits.cc: Add numeric_limits<B>
instantiation.
2001-12-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
* testsuite/22_locale/numpunct_members_wchar_t.cc: Only compile
and execute test01 if _GLIBCPP_USE_WCHAR_T is defined.
* testsuite/26_numerics/complex_inserters_extractors.cc: Provide
for explicit instantiation of class std::basic_string<char,
gnu_char_traits, std::allocator<char> >.
2001-12-03 Benjamin Kosnik <bkoz@redhat.com> 2001-12-03 Benjamin Kosnik <bkoz@redhat.com>
* testsuite/22_locale/collate.cc: Compile-only. * testsuite/22_locale/collate.cc: Compile-only.
......
...@@ -53,22 +53,22 @@ ...@@ -53,22 +53,22 @@
namespace std namespace std
{ {
// Class _Refcount_Base provides a type, _RC_t, a data member,
// Class _Refcount_Base provides a type, _RC_t, a data member, // _M_ref_count, and member functions _M_incr and _M_decr, which perform
// _M_ref_count, and member functions _M_incr and _M_decr, which perform // atomic preincrement/predecrement. The constructor initializes
// atomic preincrement/predecrement. The constructor initializes // _M_ref_count.
// _M_ref_count. struct _Refcount_Base
struct _Refcount_Base {
{ // The type _RC_t
// The type _RC_t typedef size_t _RC_t;
typedef size_t _RC_t;
// The data member _M_ref_count
// The data member _M_ref_count volatile _RC_t _M_ref_count;
volatile _RC_t _M_ref_count;
// Constructor
// Constructor __gthread_mutex_t _M_ref_count_lock;
__gthread_mutex_t _M_ref_count_lock;
_Refcount_Base(_RC_t __n) : _M_ref_count(__n) _Refcount_Base(_RC_t __n) : _M_ref_count(__n)
{ {
#ifdef __GTHREAD_MUTEX_INIT #ifdef __GTHREAD_MUTEX_INIT
__gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT; __gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
...@@ -80,112 +80,128 @@ struct _Refcount_Base ...@@ -80,112 +80,128 @@ struct _Refcount_Base
#endif #endif
} }
void _M_incr() { void
__gthread_mutex_lock(&_M_ref_count_lock); _M_incr()
++_M_ref_count; {
__gthread_mutex_unlock(&_M_ref_count_lock); __gthread_mutex_lock(&_M_ref_count_lock);
} ++_M_ref_count;
_RC_t _M_decr() { __gthread_mutex_unlock(&_M_ref_count_lock);
__gthread_mutex_lock(&_M_ref_count_lock); }
volatile _RC_t __tmp = --_M_ref_count;
__gthread_mutex_unlock(&_M_ref_count_lock);
return __tmp;
}
};
// Atomic swap on unsigned long _RC_t
// This is guaranteed to behave as though it were atomic only if all _M_decr()
// possibly concurrent updates use _Atomic_swap. {
// In some cases the operation is emulated with a lock. __gthread_mutex_lock(&_M_ref_count_lock);
volatile _RC_t __tmp = --_M_ref_count;
__gthread_mutex_unlock(&_M_ref_count_lock);
return __tmp;
}
};
// Atomic swap on unsigned long
// This is guaranteed to behave as though it were atomic only if all
// possibly concurrent updates use _Atomic_swap.
// In some cases the operation is emulated with a lock.
#if defined (__GTHREAD_MUTEX_INIT) #if defined (__GTHREAD_MUTEX_INIT)
// This could be optimized to use the atomicity.h abstraction layer. // This could be optimized to use the atomicity.h abstraction layer.
// vyzo: simple _Atomic_swap implementation following the guidelines above // vyzo: simple _Atomic_swap implementation following the guidelines above
// We use a template here only to get a unique initialized instance. // We use a template here only to get a unique initialized instance.
template<int __dummy> template<int __dummy>
struct _Swap_lock_struct { struct _Swap_lock_struct
static __gthread_mutex_t _S_swap_lock; { static __gthread_mutex_t _S_swap_lock; };
};
template<int __dummy>
template<int __dummy>
__gthread_mutex_t __gthread_mutex_t
_Swap_lock_struct<__dummy>::_S_swap_lock = __GTHREAD_MUTEX_INIT; _Swap_lock_struct<__dummy>::_S_swap_lock = __GTHREAD_MUTEX_INIT;
// This should be portable, but performance is expected // This should be portable, but performance is expected to be quite
// to be quite awful. This really needs platform specific // awful. This really needs platform specific code.
// code. inline unsigned long
inline unsigned long _Atomic_swap(unsigned long * __p, unsigned long __q) { _Atomic_swap(unsigned long * __p, unsigned long __q)
__gthread_mutex_lock(&_Swap_lock_struct<0>::_S_swap_lock); {
unsigned long __result = *__p; __gthread_mutex_lock(&_Swap_lock_struct<0>::_S_swap_lock);
*__p = __q; unsigned long __result = *__p;
__gthread_mutex_unlock(&_Swap_lock_struct<0>::_S_swap_lock); *__p = __q;
return __result; __gthread_mutex_unlock(&_Swap_lock_struct<0>::_S_swap_lock);
} return __result;
}
#endif #endif
// Locking class. Note that this class *does not have a constructor*. // Locking class. Note that this class *does not have a
// It must be initialized either statically, with __STL_MUTEX_INITIALIZER, // constructor*. It must be initialized either statically, with
// or dynamically, by explicitly calling the _M_initialize member function. // __STL_MUTEX_INITIALIZER, or dynamically, by explicitly calling
// (This is similar to the ways that a pthreads mutex can be initialized.) // the _M_initialize member function. (This is similar to the ways
// There are explicit member functions for acquiring and releasing the lock. // that a pthreads mutex can be initialized.) There are explicit
// member functions for acquiring and releasing the lock.
// There is no constructor because static initialization is essential for // There is no constructor because static initialization is
// some uses, and only a class aggregate (see section 8.5.1 of the C++ // essential for some uses, and only a class aggregate (see section
// standard) can be initialized that way. That means we must have no // 8.5.1 of the C++ standard) can be initialized that way. That
// constructors, no base classes, no virtual functions, and no private or // means we must have no constructors, no base classes, no virtual
// protected members. // functions, and no private or protected members.
#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION) #if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
extern __gthread_mutex_t _GLIBCPP_mutex; extern __gthread_mutex_t _GLIBCPP_mutex;
extern __gthread_mutex_t *_GLIBCPP_mutex_address; extern __gthread_mutex_t *_GLIBCPP_mutex_address;
extern __gthread_once_t _GLIBCPP_once; extern __gthread_once_t _GLIBCPP_once;
extern void _GLIBCPP_mutex_init (void); extern void _GLIBCPP_mutex_init (void);
extern void _GLIBCPP_mutex_address_init (void); extern void _GLIBCPP_mutex_address_init (void);
#endif #endif
struct _STL_mutex_lock struct _STL_mutex_lock
{ {
// The class must be statically initialized with __STL_MUTEX_INITIALIZER. // The class must be statically initialized with __STL_MUTEX_INITIALIZER.
#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION) #if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
volatile int _M_init_flag; volatile int _M_init_flag;
__gthread_once_t _M_once; __gthread_once_t _M_once;
#endif #endif
__gthread_mutex_t _M_lock; __gthread_mutex_t _M_lock;
void _M_initialize() {
void
_M_initialize()
{
#ifdef __GTHREAD_MUTEX_INIT #ifdef __GTHREAD_MUTEX_INIT
// There should be no code in this path given the usage rules above. // There should be no code in this path given the usage rules above.
#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION) #elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
if (_M_init_flag) return; if (_M_init_flag) return;
if (__gthread_once (&_GLIBCPP_once, _GLIBCPP_mutex_init) != 0 if (__gthread_once (&_GLIBCPP_once, _GLIBCPP_mutex_init) != 0
&& __gthread_active_p ()) && __gthread_active_p ())
abort (); abort ();
__gthread_mutex_lock (&_GLIBCPP_mutex); __gthread_mutex_lock (&_GLIBCPP_mutex);
if (!_M_init_flag) { if (!_M_init_flag)
// Even though we have a global lock, we use __gthread_once to be {
// absolutely certain the _M_lock mutex is only initialized once on // Even though we have a global lock, we use __gthread_once to be
// multiprocessor systems. // absolutely certain the _M_lock mutex is only initialized once on
_GLIBCPP_mutex_address = &_M_lock; // multiprocessor systems.
if (__gthread_once (&_M_once, _GLIBCPP_mutex_address_init) != 0 _GLIBCPP_mutex_address = &_M_lock;
if (__gthread_once (&_M_once, _GLIBCPP_mutex_address_init) != 0
&& __gthread_active_p ()) && __gthread_active_p ())
abort (); abort ();
_M_init_flag = 1; _M_init_flag = 1;
} }
__gthread_mutex_unlock (&_GLIBCPP_mutex); __gthread_mutex_unlock (&_GLIBCPP_mutex);
#endif #endif
} }
void _M_acquire_lock() {
void
_M_acquire_lock()
{
#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION) #if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
if (!_M_init_flag) _M_initialize(); if (!_M_init_flag) _M_initialize();
#endif #endif
__gthread_mutex_lock(&_M_lock); __gthread_mutex_lock(&_M_lock);
} }
void _M_release_lock() {
void
_M_release_lock()
{
#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION) #if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
if (!_M_init_flag) _M_initialize(); if (!_M_init_flag) _M_initialize();
#endif #endif
__gthread_mutex_unlock(&_M_lock); __gthread_mutex_unlock(&_M_lock);
} }
}; };
#ifdef __GTHREAD_MUTEX_INIT #ifdef __GTHREAD_MUTEX_INIT
#define __STL_MUTEX_INITIALIZER = { __GTHREAD_MUTEX_INIT } #define __STL_MUTEX_INITIALIZER = { __GTHREAD_MUTEX_INIT }
#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION) #elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
...@@ -197,28 +213,24 @@ struct _STL_mutex_lock ...@@ -197,28 +213,24 @@ struct _STL_mutex_lock
#endif #endif
#endif #endif
// A locking class that uses _STL_mutex_lock. The constructor takes a // A locking class that uses _STL_mutex_lock. The constructor takes a
// reference to an _STL_mutex_lock, and acquires a lock. The // reference to an _STL_mutex_lock, and acquires a lock. The
// destructor releases the lock. It's not clear that this is exactly // destructor releases the lock. It's not clear that this is exactly
// the right functionality. It will probably change in the future. // the right functionality. It will probably change in the future.
struct _STL_auto_lock
struct _STL_auto_lock {
{ _STL_mutex_lock& _M_lock;
_STL_mutex_lock& _M_lock;
_STL_auto_lock(_STL_mutex_lock& __lock) : _M_lock(__lock)
_STL_auto_lock(_STL_mutex_lock& __lock) : _M_lock(__lock)
{ _M_lock._M_acquire_lock(); } { _M_lock._M_acquire_lock(); }
~_STL_auto_lock() { _M_lock._M_release_lock(); }
private: ~_STL_auto_lock() { _M_lock._M_release_lock(); }
void operator=(const _STL_auto_lock&);
_STL_auto_lock(const _STL_auto_lock&);
};
private:
void operator=(const _STL_auto_lock&);
_STL_auto_lock(const _STL_auto_lock&);
};
} // namespace std } // namespace std
#endif /* __SGI_STL_INTERNAL_THREADS_H */ #endif
// Local Variables:
// mode:C++
// End:
...@@ -64,8 +64,9 @@ sources = \ ...@@ -64,8 +64,9 @@ sources = \
complex_io.cc functexcept.cc globals.cc ios.cc limits.cc \ complex_io.cc functexcept.cc globals.cc ios.cc limits.cc \
locale.cc locale-inst.cc localename.cc \ locale.cc locale-inst.cc localename.cc \
collate.cc messages.cc moneypunct.cc numpunct.cc time.cc \ collate.cc messages.cc moneypunct.cc numpunct.cc time.cc \
vterminate.cc \
misc-inst.cc stdexcept.cc stl-inst.cc string-inst.cc strstream.cc \ misc-inst.cc stdexcept.cc stl-inst.cc string-inst.cc strstream.cc \
valarray-inst.cc wstring-inst.cc concept-inst.cc vterminate.cc valarray-inst.cc wstring-inst.cc concept-inst.cc ext-inst.cc
VPATH = $(top_srcdir)/src:$(top_srcdir) VPATH = $(top_srcdir)/src:$(top_srcdir)
......
...@@ -189,8 +189,9 @@ sources = \ ...@@ -189,8 +189,9 @@ sources = \
complex_io.cc functexcept.cc globals.cc ios.cc limits.cc \ complex_io.cc functexcept.cc globals.cc ios.cc limits.cc \
locale.cc locale-inst.cc localename.cc \ locale.cc locale-inst.cc localename.cc \
collate.cc messages.cc moneypunct.cc numpunct.cc time.cc \ collate.cc messages.cc moneypunct.cc numpunct.cc time.cc \
vterminate.cc \
misc-inst.cc stdexcept.cc stl-inst.cc string-inst.cc strstream.cc \ misc-inst.cc stdexcept.cc stl-inst.cc string-inst.cc strstream.cc \
valarray-inst.cc wstring-inst.cc concept-inst.cc vterminate.cc valarray-inst.cc wstring-inst.cc concept-inst.cc ext-inst.cc
VPATH = $(top_srcdir)/src:$(top_srcdir) VPATH = $(top_srcdir)/src:$(top_srcdir)
...@@ -266,9 +267,9 @@ LIBS = @LIBS@ ...@@ -266,9 +267,9 @@ LIBS = @LIBS@
libstdc___la_OBJECTS = basic_file.lo bitset.lo c++locale.lo cmath.lo \ libstdc___la_OBJECTS = basic_file.lo bitset.lo c++locale.lo cmath.lo \
codecvt.lo complex_io.lo functexcept.lo globals.lo ios.lo limits.lo \ codecvt.lo complex_io.lo functexcept.lo globals.lo ios.lo limits.lo \
locale.lo locale-inst.lo localename.lo collate.lo messages.lo \ locale.lo locale-inst.lo localename.lo collate.lo messages.lo \
moneypunct.lo numpunct.lo time.lo misc-inst.lo stdexcept.lo stl-inst.lo \ moneypunct.lo numpunct.lo time.lo vterminate.lo misc-inst.lo \
string-inst.lo strstream.lo valarray-inst.lo wstring-inst.lo \ stdexcept.lo stl-inst.lo string-inst.lo strstream.lo valarray-inst.lo \
concept-inst.lo vterminate.lo wstring-inst.lo concept-inst.lo ext-inst.lo
CXXFLAGS = @CXXFLAGS@ CXXFLAGS = @CXXFLAGS@
CXXCOMPILE = $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) CXXCOMPILE = $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
CXXLD = $(CXX) CXXLD = $(CXX)
......
// Explicit instantiation file.
// Copyright (C) 2001 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library 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 for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882:
//
#include <ext/rope>
namespace std
{
template const unsigned long rope<char, std::allocator<char> >::_S_min_len;
} // namespace std
...@@ -93,8 +93,9 @@ namespace std ...@@ -93,8 +93,9 @@ namespace std
// function call to initialize a mutex. For example, see stl_threads.h. // function call to initialize a mutex. For example, see stl_threads.h.
#if __GTHREADS #if __GTHREADS
#ifdef __GTHREAD_MUTEX_INIT #ifdef __GTHREAD_MUTEX_INIT
// This path is not needed since static initialization of mutexs works // Need to provide explicit instantiations of static data for
// on this platform. // systems with broken weak linkage support.
template __gthread_mutex_t _Swap_lock_struct<0>::_S_swap_lock;
#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION) #elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
__gthread_once_t _GLIBCPP_once = __GTHREAD_ONCE_INIT; __gthread_once_t _GLIBCPP_once = __GTHREAD_ONCE_INIT;
__gthread_mutex_t _GLIBCPP_mutex; __gthread_mutex_t _GLIBCPP_mutex;
......
...@@ -21,8 +21,7 @@ ...@@ -21,8 +21,7 @@
// As a special exception, you may use this file as part of a free software // As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate // library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile // templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this // this file and link it with other files to produce an executable, this// file does not by itself cause the resulting executable to be covered by
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however // the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by // invalidate any other reasons why the executable file might be covered by
// the GNU General Public License. // the GNU General Public License.
......
...@@ -92,7 +92,10 @@ template<typename T> ...@@ -92,7 +92,10 @@ template<typename T>
operator==(int i) { return i == key; } operator==(int i) { return i == key; }
}; };
struct B { }; struct B
{
B(int i = 0) { }
};
bool test01() bool test01()
...@@ -139,6 +142,8 @@ bool test01() ...@@ -139,6 +142,8 @@ bool test01()
} }
// test linkage of the generic bits // test linkage of the generic bits
template struct std::numeric_limits<B>;
void test02() void test02()
{ {
typedef std::numeric_limits<B> b_nl_type; typedef std::numeric_limits<B> b_nl_type;
...@@ -176,3 +181,9 @@ int main() ...@@ -176,3 +181,9 @@ int main()
return 0; return 0;
} }
...@@ -26,6 +26,7 @@ ...@@ -26,6 +26,7 @@
// XXX This test is not working for non-glibc locale models. // XXX This test is not working for non-glibc locale models.
// { dg-do run { xfail *-*-* } } // { dg-do run { xfail *-*-* } }
#ifdef _GLIBCPP_USE_WCHAR_T
void test01() void test01()
{ {
using namespace std; using namespace std;
...@@ -79,10 +80,12 @@ void test01() ...@@ -79,10 +80,12 @@ void test01()
VERIFY( dp2 != dp4 ); VERIFY( dp2 != dp4 );
VERIFY( th2 != th4 ); VERIFY( th2 != th4 );
} }
#endif
int main() int main()
{ {
#ifdef _GLIBCPP_USE_WCHAR_T
test01(); test01();
#endif
return 0; return 0;
} }
...@@ -106,6 +106,7 @@ struct gnu_char_traits : public std::char_traits<char> ...@@ -106,6 +106,7 @@ struct gnu_char_traits : public std::char_traits<char>
{ }; { };
typedef std::basic_ostringstream<char, gnu_char_traits> gnu_sstream; typedef std::basic_ostringstream<char, gnu_char_traits> gnu_sstream;
template class std::basic_string<char, gnu_char_traits, std::allocator<char> >;
void test02() void test02()
{ {
...@@ -143,3 +144,6 @@ main() ...@@ -143,3 +144,6 @@ main()
return 0; return 0;
} }
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