[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
This commit is contained in:
Benjamin Kosnik
parent
344c6d1f13
commit
5b5e609d03
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@ -1,3 +1,22 @@
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2001-12-04 Benjamin Kosnik <bkoz@redhat.com>
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* src/Makefile.am (sources): Add ext-inst.cc.
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* src/Makefile.in: Regenerate.
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* src/ext-inst.cc: New file.
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* include/bits/stl_threads.h: Format.
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* src/globals.cc: Add instantiation for _S_swap_lock.
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* testsuite/18_support/numeric_limits.cc: Add numeric_limits<B>
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instantiation.
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2001-12-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
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* testsuite/22_locale/numpunct_members_wchar_t.cc: Only compile
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and execute test01 if _GLIBCPP_USE_WCHAR_T is defined.
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* testsuite/26_numerics/complex_inserters_extractors.cc: Provide
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for explicit instantiation of class std::basic_string<char,
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gnu_char_traits, std::allocator<char> >.
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2001-12-03 Benjamin Kosnik <bkoz@redhat.com>
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* testsuite/22_locale/collate.cc: Compile-only.
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@ -53,22 +53,22 @@
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namespace std
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{
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// Class _Refcount_Base provides a type, _RC_t, a data member,
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// _M_ref_count, and member functions _M_incr and _M_decr, which perform
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// atomic preincrement/predecrement. The constructor initializes
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// _M_ref_count.
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struct _Refcount_Base
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{
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// The type _RC_t
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typedef size_t _RC_t;
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// The data member _M_ref_count
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volatile _RC_t _M_ref_count;
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// Constructor
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__gthread_mutex_t _M_ref_count_lock;
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// Class _Refcount_Base provides a type, _RC_t, a data member,
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// _M_ref_count, and member functions _M_incr and _M_decr, which perform
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// atomic preincrement/predecrement. The constructor initializes
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// _M_ref_count.
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struct _Refcount_Base
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{
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// The type _RC_t
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typedef size_t _RC_t;
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// The data member _M_ref_count
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volatile _RC_t _M_ref_count;
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// Constructor
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__gthread_mutex_t _M_ref_count_lock;
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_Refcount_Base(_RC_t __n) : _M_ref_count(__n)
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_Refcount_Base(_RC_t __n) : _M_ref_count(__n)
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{
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#ifdef __GTHREAD_MUTEX_INIT
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__gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
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@ -80,112 +80,128 @@ struct _Refcount_Base
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#endif
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}
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void _M_incr() {
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__gthread_mutex_lock(&_M_ref_count_lock);
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++_M_ref_count;
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__gthread_mutex_unlock(&_M_ref_count_lock);
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}
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_RC_t _M_decr() {
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__gthread_mutex_lock(&_M_ref_count_lock);
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volatile _RC_t __tmp = --_M_ref_count;
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__gthread_mutex_unlock(&_M_ref_count_lock);
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return __tmp;
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}
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};
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void
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_M_incr()
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{
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__gthread_mutex_lock(&_M_ref_count_lock);
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++_M_ref_count;
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__gthread_mutex_unlock(&_M_ref_count_lock);
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}
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// Atomic swap on unsigned long
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// This is guaranteed to behave as though it were atomic only if all
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// possibly concurrent updates use _Atomic_swap.
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// In some cases the operation is emulated with a lock.
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_RC_t
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_M_decr()
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{
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__gthread_mutex_lock(&_M_ref_count_lock);
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volatile _RC_t __tmp = --_M_ref_count;
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__gthread_mutex_unlock(&_M_ref_count_lock);
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return __tmp;
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}
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};
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// Atomic swap on unsigned long
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// This is guaranteed to behave as though it were atomic only if all
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// possibly concurrent updates use _Atomic_swap.
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// In some cases the operation is emulated with a lock.
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#if defined (__GTHREAD_MUTEX_INIT)
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// This could be optimized to use the atomicity.h abstraction layer.
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// vyzo: simple _Atomic_swap implementation following the guidelines above
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// We use a template here only to get a unique initialized instance.
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template<int __dummy>
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struct _Swap_lock_struct {
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static __gthread_mutex_t _S_swap_lock;
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};
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// This could be optimized to use the atomicity.h abstraction layer.
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// vyzo: simple _Atomic_swap implementation following the guidelines above
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// We use a template here only to get a unique initialized instance.
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template<int __dummy>
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struct _Swap_lock_struct
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{ static __gthread_mutex_t _S_swap_lock; };
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template<int __dummy>
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template<int __dummy>
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__gthread_mutex_t
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_Swap_lock_struct<__dummy>::_S_swap_lock = __GTHREAD_MUTEX_INIT;
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// This should be portable, but performance is expected
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// to be quite awful. This really needs platform specific
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// code.
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inline unsigned long _Atomic_swap(unsigned long * __p, unsigned long __q) {
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__gthread_mutex_lock(&_Swap_lock_struct<0>::_S_swap_lock);
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unsigned long __result = *__p;
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*__p = __q;
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__gthread_mutex_unlock(&_Swap_lock_struct<0>::_S_swap_lock);
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return __result;
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}
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// This should be portable, but performance is expected to be quite
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// awful. This really needs platform specific code.
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inline unsigned long
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_Atomic_swap(unsigned long * __p, unsigned long __q)
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{
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__gthread_mutex_lock(&_Swap_lock_struct<0>::_S_swap_lock);
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unsigned long __result = *__p;
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*__p = __q;
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__gthread_mutex_unlock(&_Swap_lock_struct<0>::_S_swap_lock);
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return __result;
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}
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#endif
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// Locking class. Note that this class *does not have a constructor*.
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// It must be initialized either statically, with __STL_MUTEX_INITIALIZER,
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// or dynamically, by explicitly calling the _M_initialize member function.
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// (This is similar to the ways that a pthreads mutex can be initialized.)
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// There are explicit member functions for acquiring and releasing the lock.
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// Locking class. Note that this class *does not have a
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// constructor*. It must be initialized either statically, with
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// __STL_MUTEX_INITIALIZER, or dynamically, by explicitly calling
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// the _M_initialize member function. (This is similar to the ways
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// that a pthreads mutex can be initialized.) There are explicit
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// member functions for acquiring and releasing the lock.
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// There is no constructor because static initialization is essential for
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// some uses, and only a class aggregate (see section 8.5.1 of the C++
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// standard) can be initialized that way. That means we must have no
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// constructors, no base classes, no virtual functions, and no private or
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// protected members.
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// There is no constructor because static initialization is
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// essential for some uses, and only a class aggregate (see section
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// 8.5.1 of the C++ standard) can be initialized that way. That
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// means we must have no constructors, no base classes, no virtual
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// functions, and no private or protected members.
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#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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extern __gthread_mutex_t _GLIBCPP_mutex;
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extern __gthread_mutex_t *_GLIBCPP_mutex_address;
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extern __gthread_once_t _GLIBCPP_once;
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extern void _GLIBCPP_mutex_init (void);
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extern void _GLIBCPP_mutex_address_init (void);
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extern __gthread_mutex_t _GLIBCPP_mutex;
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extern __gthread_mutex_t *_GLIBCPP_mutex_address;
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extern __gthread_once_t _GLIBCPP_once;
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extern void _GLIBCPP_mutex_init (void);
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extern void _GLIBCPP_mutex_address_init (void);
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#endif
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struct _STL_mutex_lock
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{
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// The class must be statically initialized with __STL_MUTEX_INITIALIZER.
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struct _STL_mutex_lock
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{
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// The class must be statically initialized with __STL_MUTEX_INITIALIZER.
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#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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volatile int _M_init_flag;
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__gthread_once_t _M_once;
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volatile int _M_init_flag;
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__gthread_once_t _M_once;
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#endif
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__gthread_mutex_t _M_lock;
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void _M_initialize() {
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__gthread_mutex_t _M_lock;
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void
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_M_initialize()
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{
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#ifdef __GTHREAD_MUTEX_INIT
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// There should be no code in this path given the usage rules above.
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// There should be no code in this path given the usage rules above.
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#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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if (_M_init_flag) return;
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if (__gthread_once (&_GLIBCPP_once, _GLIBCPP_mutex_init) != 0
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&& __gthread_active_p ())
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abort ();
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__gthread_mutex_lock (&_GLIBCPP_mutex);
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if (!_M_init_flag) {
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// Even though we have a global lock, we use __gthread_once to be
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// absolutely certain the _M_lock mutex is only initialized once on
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// multiprocessor systems.
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_GLIBCPP_mutex_address = &_M_lock;
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if (__gthread_once (&_M_once, _GLIBCPP_mutex_address_init) != 0
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if (_M_init_flag) return;
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if (__gthread_once (&_GLIBCPP_once, _GLIBCPP_mutex_init) != 0
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&& __gthread_active_p ())
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abort ();
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__gthread_mutex_lock (&_GLIBCPP_mutex);
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if (!_M_init_flag)
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{
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// Even though we have a global lock, we use __gthread_once to be
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// absolutely certain the _M_lock mutex is only initialized once on
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// multiprocessor systems.
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_GLIBCPP_mutex_address = &_M_lock;
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if (__gthread_once (&_M_once, _GLIBCPP_mutex_address_init) != 0
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&& __gthread_active_p ())
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abort ();
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_M_init_flag = 1;
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abort ();
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_M_init_flag = 1;
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}
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__gthread_mutex_unlock (&_GLIBCPP_mutex);
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#endif
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}
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__gthread_mutex_unlock (&_GLIBCPP_mutex);
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#endif
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}
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void _M_acquire_lock() {
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#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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if (!_M_init_flag) _M_initialize();
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#endif
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__gthread_mutex_lock(&_M_lock);
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}
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void _M_release_lock() {
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#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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if (!_M_init_flag) _M_initialize();
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#endif
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__gthread_mutex_unlock(&_M_lock);
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}
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};
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void
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_M_acquire_lock()
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{
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#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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if (!_M_init_flag) _M_initialize();
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#endif
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__gthread_mutex_lock(&_M_lock);
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}
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void
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_M_release_lock()
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{
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#if !defined(__GTHREAD_MUTEX_INIT) && defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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if (!_M_init_flag) _M_initialize();
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#endif
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__gthread_mutex_unlock(&_M_lock);
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}
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};
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#ifdef __GTHREAD_MUTEX_INIT
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#define __STL_MUTEX_INITIALIZER = { __GTHREAD_MUTEX_INIT }
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#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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@ -197,28 +213,24 @@ struct _STL_mutex_lock
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#endif
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#endif
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// A locking class that uses _STL_mutex_lock. The constructor takes a
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// reference to an _STL_mutex_lock, and acquires a lock. The
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// destructor releases the lock. It's not clear that this is exactly
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// the right functionality. It will probably change in the future.
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struct _STL_auto_lock
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{
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_STL_mutex_lock& _M_lock;
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_STL_auto_lock(_STL_mutex_lock& __lock) : _M_lock(__lock)
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// A locking class that uses _STL_mutex_lock. The constructor takes a
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// reference to an _STL_mutex_lock, and acquires a lock. The
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// destructor releases the lock. It's not clear that this is exactly
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// the right functionality. It will probably change in the future.
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struct _STL_auto_lock
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{
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_STL_mutex_lock& _M_lock;
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_STL_auto_lock(_STL_mutex_lock& __lock) : _M_lock(__lock)
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{ _M_lock._M_acquire_lock(); }
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~_STL_auto_lock() { _M_lock._M_release_lock(); }
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private:
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void operator=(const _STL_auto_lock&);
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_STL_auto_lock(const _STL_auto_lock&);
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};
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~_STL_auto_lock() { _M_lock._M_release_lock(); }
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private:
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void operator=(const _STL_auto_lock&);
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_STL_auto_lock(const _STL_auto_lock&);
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};
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} // namespace std
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#endif /* __SGI_STL_INTERNAL_THREADS_H */
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// Local Variables:
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// mode:C++
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// End:
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#endif
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@ -64,8 +64,9 @@ sources = \
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complex_io.cc functexcept.cc globals.cc ios.cc limits.cc \
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locale.cc locale-inst.cc localename.cc \
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collate.cc messages.cc moneypunct.cc numpunct.cc time.cc \
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vterminate.cc \
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misc-inst.cc stdexcept.cc stl-inst.cc string-inst.cc strstream.cc \
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valarray-inst.cc wstring-inst.cc concept-inst.cc vterminate.cc
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valarray-inst.cc wstring-inst.cc concept-inst.cc ext-inst.cc
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VPATH = $(top_srcdir)/src:$(top_srcdir)
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|
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@ -189,8 +189,9 @@ sources = \
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complex_io.cc functexcept.cc globals.cc ios.cc limits.cc \
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locale.cc locale-inst.cc localename.cc \
|
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collate.cc messages.cc moneypunct.cc numpunct.cc time.cc \
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vterminate.cc \
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misc-inst.cc stdexcept.cc stl-inst.cc string-inst.cc strstream.cc \
|
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valarray-inst.cc wstring-inst.cc concept-inst.cc vterminate.cc
|
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valarray-inst.cc wstring-inst.cc concept-inst.cc ext-inst.cc
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VPATH = $(top_srcdir)/src:$(top_srcdir)
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@ -266,9 +267,9 @@ LIBS = @LIBS@
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libstdc___la_OBJECTS = basic_file.lo bitset.lo c++locale.lo cmath.lo \
|
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codecvt.lo complex_io.lo functexcept.lo globals.lo ios.lo limits.lo \
|
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locale.lo locale-inst.lo localename.lo collate.lo messages.lo \
|
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moneypunct.lo numpunct.lo time.lo misc-inst.lo stdexcept.lo stl-inst.lo \
|
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string-inst.lo strstream.lo valarray-inst.lo wstring-inst.lo \
|
||||
concept-inst.lo vterminate.lo
|
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moneypunct.lo numpunct.lo time.lo vterminate.lo misc-inst.lo \
|
||||
stdexcept.lo stl-inst.lo string-inst.lo strstream.lo valarray-inst.lo \
|
||||
wstring-inst.lo concept-inst.lo ext-inst.lo
|
||||
CXXFLAGS = @CXXFLAGS@
|
||||
CXXCOMPILE = $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
|
||||
CXXLD = $(CXX)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,39 @@
|
|||
// 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
|
|||
// function call to initialize a mutex. For example, see stl_threads.h.
|
||||
#if __GTHREADS
|
||||
#ifdef __GTHREAD_MUTEX_INIT
|
||||
// This path is not needed since static initialization of mutexs works
|
||||
// on this platform.
|
||||
// Need to provide explicit instantiations of static data for
|
||||
// systems with broken weak linkage support.
|
||||
template __gthread_mutex_t _Swap_lock_struct<0>::_S_swap_lock;
|
||||
#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
|
||||
__gthread_once_t _GLIBCPP_once = __GTHREAD_ONCE_INIT;
|
||||
__gthread_mutex_t _GLIBCPP_mutex;
|
||||
|
|
|
|||
|
|
@ -21,8 +21,7 @@
|
|||
// 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
|
||||
// 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.
|
||||
|
|
|
|||
|
|
@ -92,7 +92,10 @@ template<typename T>
|
|||
operator==(int i) { return i == key; }
|
||||
};
|
||||
|
||||
struct B { };
|
||||
struct B
|
||||
{
|
||||
B(int i = 0) { }
|
||||
};
|
||||
|
||||
|
||||
bool test01()
|
||||
|
|
@ -139,6 +142,8 @@ bool test01()
|
|||
}
|
||||
|
||||
// test linkage of the generic bits
|
||||
template struct std::numeric_limits<B>;
|
||||
|
||||
void test02()
|
||||
{
|
||||
typedef std::numeric_limits<B> b_nl_type;
|
||||
|
|
@ -176,3 +181,9 @@ int main()
|
|||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -26,6 +26,7 @@
|
|||
// XXX This test is not working for non-glibc locale models.
|
||||
// { dg-do run { xfail *-*-* } }
|
||||
|
||||
#ifdef _GLIBCPP_USE_WCHAR_T
|
||||
void test01()
|
||||
{
|
||||
using namespace std;
|
||||
|
|
@ -79,10 +80,12 @@ void test01()
|
|||
VERIFY( dp2 != dp4 );
|
||||
VERIFY( th2 != th4 );
|
||||
}
|
||||
#endif
|
||||
|
||||
int main()
|
||||
{
|
||||
#ifdef _GLIBCPP_USE_WCHAR_T
|
||||
test01();
|
||||
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -106,6 +106,7 @@ struct gnu_char_traits : public std::char_traits<char>
|
|||
{ };
|
||||
|
||||
typedef std::basic_ostringstream<char, gnu_char_traits> gnu_sstream;
|
||||
template class std::basic_string<char, gnu_char_traits, std::allocator<char> >;
|
||||
|
||||
void test02()
|
||||
{
|
||||
|
|
@ -143,3 +144,6 @@ main()
|
|||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue