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authorkan <kan@FreeBSD.org>2005-06-03 03:29:38 +0000
committerkan <kan@FreeBSD.org>2005-06-03 03:29:38 +0000
commit3b6c93380e20c56b8151f9c6fc3916670b987df5 (patch)
treec4e455c4fe8d2a3ed1d621536386e3e252ad36bc /contrib/libstdc++/src
parent2156e40a831a8e0ab68e4bc091c2940bf46ca6df (diff)
downloadFreeBSD-src-3b6c93380e20c56b8151f9c6fc3916670b987df5.zip
FreeBSD-src-3b6c93380e20c56b8151f9c6fc3916670b987df5.tar.gz
Gcc 3.4.4 C++ support bits.
Diffstat (limited to 'contrib/libstdc++/src')
-rw-r--r--contrib/libstdc++/src/allocator.cc33
-rw-r--r--contrib/libstdc++/src/debug.cc23
-rw-r--r--contrib/libstdc++/src/ios.cc5
-rw-r--r--contrib/libstdc++/src/ios_init.cc3
-rw-r--r--contrib/libstdc++/src/locale_init.cc24
-rw-r--r--contrib/libstdc++/src/localename.cc6
6 files changed, 56 insertions, 38 deletions
diff --git a/contrib/libstdc++/src/allocator.cc b/contrib/libstdc++/src/allocator.cc
index e35aa3e..4953d01 100644
--- a/contrib/libstdc++/src/allocator.cc
+++ b/contrib/libstdc++/src/allocator.cc
@@ -44,22 +44,22 @@ namespace __gnu_internal
namespace __gnu_cxx
{
// Definitions for __pool_alloc_base.
- __pool_base::_Obj* volatile*
- __pool_base::_M_get_free_list(size_t __bytes)
+ __pool_alloc_base::_Obj* volatile*
+ __pool_alloc_base::_M_get_free_list(size_t __bytes)
{
size_t __i = ((__bytes + (size_t)_S_align - 1) / (size_t)_S_align - 1);
return _S_free_list + __i;
}
mutex_type&
- __pool_base::_M_get_mutex()
+ __pool_alloc_base::_M_get_mutex()
{ return __gnu_internal::palloc_init_mutex; }
// Allocate memory in large chunks in order to avoid fragmenting the
// heap too much. Assume that __n is properly aligned. We hold the
// allocation lock.
char*
- __pool_base::_M_allocate_chunk(size_t __n, int& __nobjs)
+ __pool_alloc_base::_M_allocate_chunk(size_t __n, int& __nobjs)
{
char* __result;
size_t __total_bytes = __n * __nobjs;
@@ -91,8 +91,11 @@ namespace __gnu_cxx
size_t __bytes_to_get = (2 * __total_bytes
+ _M_round_up(_S_heap_size >> 4));
- _S_start_free = static_cast<char*>(::operator new(__bytes_to_get));
- if (_S_start_free == 0)
+ try
+ {
+ _S_start_free = static_cast<char*>(::operator new(__bytes_to_get));
+ }
+ catch (...)
{
// Try to make do with what we have. That can't hurt. We
// do not try smaller requests, since that tends to result
@@ -112,11 +115,9 @@ namespace __gnu_cxx
// right free list.
}
}
- _S_end_free = 0; // In case of exception.
-
- // This should either throw an exception or remedy the situation.
- // Thus we assume it succeeded.
- _S_start_free = static_cast<char*>(::operator new(__bytes_to_get));
+ // What we have wasn't enough. Rethrow.
+ _S_start_free = _S_end_free = 0; // We have no chunk.
+ __throw_exception_again;
}
_S_heap_size += __bytes_to_get;
_S_end_free = _S_start_free + __bytes_to_get;
@@ -128,7 +129,7 @@ namespace __gnu_cxx
// __n"'s free list. We assume that __n is properly aligned. We
// hold the allocation lock.
void*
- __pool_base::_M_refill(size_t __n)
+ __pool_alloc_base::_M_refill(size_t __n)
{
int __nobjs = 20;
char* __chunk = _M_allocate_chunk(__n, __nobjs);
@@ -159,11 +160,11 @@ namespace __gnu_cxx
return __result;
}
- __pool_base::_Obj* volatile __pool_base::_S_free_list[_S_free_list_size];
+ __pool_alloc_base::_Obj* volatile __pool_alloc_base::_S_free_list[_S_free_list_size];
- char* __pool_base::_S_start_free = 0;
+ char* __pool_alloc_base::_S_start_free = 0;
- char* __pool_base::_S_end_free = 0;
+ char* __pool_alloc_base::_S_end_free = 0;
- size_t __pool_base::_S_heap_size = 0;
+ size_t __pool_alloc_base::_S_heap_size = 0;
} // namespace __gnu_cxx
diff --git a/contrib/libstdc++/src/debug.cc b/contrib/libstdc++/src/debug.cc
index 05ebc2f..415fcbf 100644
--- a/contrib/libstdc++/src/debug.cc
+++ b/contrib/libstdc++/src/debug.cc
@@ -37,9 +37,15 @@
#include <cstring>
#include <cstdio>
#include <cctype>
+#include <bits/concurrence.h>
using namespace std;
+namespace __gnu_internal
+{
+ __glibcxx_mutex_define_initialized(iterator_base_mutex);
+} // namespace __gnu_internal
+
namespace __gnu_debug
{
const char* _S_debug_messages[] =
@@ -188,6 +194,7 @@ namespace __gnu_debug
// Attach to the new sequence (if there is one)
if (__seq)
{
+ __gnu_cxx::lock sentry(__gnu_internal::iterator_base_mutex);
_M_sequence = __seq;
_M_version = _M_sequence->_M_version;
_M_prior = 0;
@@ -212,6 +219,7 @@ namespace __gnu_debug
_Safe_iterator_base::
_M_detach()
{
+ __gnu_cxx::lock sentry(__gnu_internal::iterator_base_mutex);
if (_M_sequence)
{
// Remove us from this sequence's list
@@ -569,12 +577,17 @@ namespace __gnu_debug
{
// [__start, __end) denotes the next word
__end = __start;
- while (isalnum(*__end)) ++__end;
- if (__start == __end) ++__end;
- if (isspace(*__end)) ++__end;
+ while (isalnum(*__end))
+ ++__end;
+ if (__start == __end)
+ ++__end;
+ if (isspace(*__end))
+ ++__end;
- assert(__end - __start + 1< __bufsize);
- _M_format_word(__buf, __end - __start + 1, "%s", __start);
+ const ptrdiff_t __len = __end - __start;
+ assert(__len < __bufsize);
+ memcpy(__buf, __start, __len);
+ __buf[__len] = '\0';
_M_print_word(__buf);
__start = __end;
diff --git a/contrib/libstdc++/src/ios.cc b/contrib/libstdc++/src/ios.cc
index 12ffe2f..e68ee54 100644
--- a/contrib/libstdc++/src/ios.cc
+++ b/contrib/libstdc++/src/ios.cc
@@ -37,8 +37,9 @@
#include <bits/atomicity.h>
namespace std
-{
- // Definitions for static const data members of __ios_flags.
+{
+ // XXX GLIBCXX_ABI Deprecated
+ // Definitions for static const data members of __ios_flags.
const __ios_flags::__int_type __ios_flags::_S_boolalpha;
const __ios_flags::__int_type __ios_flags::_S_dec;
const __ios_flags::__int_type __ios_flags::_S_fixed;
diff --git a/contrib/libstdc++/src/ios_init.cc b/contrib/libstdc++/src/ios_init.cc
index ae7b8e1..346ed4e 100644
--- a/contrib/libstdc++/src/ios_init.cc
+++ b/contrib/libstdc++/src/ios_init.cc
@@ -155,6 +155,9 @@ namespace std
// currently synchronized.
if (!__sync && __ret)
{
+ // Make sure the standard streams are constructed.
+ ios_base::Init __init;
+
ios_base::Init::_S_synced_with_stdio = __sync;
// Explicitly call dtors to free any memory that is
diff --git a/contrib/libstdc++/src/locale_init.cc b/contrib/libstdc++/src/locale_init.cc
index 7252bc5..b2c8ea2 100644
--- a/contrib/libstdc++/src/locale_init.cc
+++ b/contrib/libstdc++/src/locale_init.cc
@@ -89,9 +89,8 @@ namespace __gnu_internal
extern std::__timepunct_cache<wchar_t> timepunct_cache_w;
#endif
- // Mutex objects for locale initialization.
- __glibcxx_mutex_define_initialized(locale_cons_mutex);
- __glibcxx_mutex_define_initialized(locale_global_mutex);
+ // Mutex object for locale initialization.
+ __glibcxx_mutex_define_initialized(locale_mutex);
} // namespace __gnu_internal
namespace std
@@ -101,23 +100,24 @@ namespace std
locale::locale() throw() : _M_impl(0)
{
_S_initialize();
- __glibcxx_mutex_lock(__gnu_internal::locale_cons_mutex);
+ __gnu_cxx::lock sentry(__gnu_internal::locale_mutex);
_S_global->_M_add_reference();
_M_impl = _S_global;
- __glibcxx_mutex_unlock(__gnu_internal::locale_cons_mutex);
}
locale
locale::global(const locale& __other)
{
_S_initialize();
- __glibcxx_mutex_lock(__gnu_internal::locale_global_mutex);
- _Impl* __old = _S_global;
- __other._M_impl->_M_add_reference();
- _S_global = __other._M_impl;
- if (__other.name() != "*")
- setlocale(LC_ALL, __other.name().c_str());
- __glibcxx_mutex_unlock(__gnu_internal::locale_global_mutex);
+ _Impl* __old;
+ {
+ __gnu_cxx::lock sentry(__gnu_internal::locale_mutex);
+ __old = _S_global;
+ __other._M_impl->_M_add_reference();
+ _S_global = __other._M_impl;
+ if (__other.name() != "*")
+ setlocale(LC_ALL, __other.name().c_str());
+ }
// Reference count sanity check: one reference removed for the
// subsition of __other locale, one added by return-by-value. Net
diff --git a/contrib/libstdc++/src/localename.cc b/contrib/libstdc++/src/localename.cc
index 503d055..9c40c68 100644
--- a/contrib/libstdc++/src/localename.cc
+++ b/contrib/libstdc++/src/localename.cc
@@ -212,11 +212,11 @@ namespace std
}
else
{
- const char* __beg = __s;
+ const char* __end = __s;
for (size_t __i = 0; __i < _S_categories_size; ++__i)
{
- __beg = std::strchr(__beg, '=') + 1;
- const char* __end = std::strchr(__beg, ';');
+ const char* __beg = std::strchr(__end + 1, '=') + 1;
+ __end = std::strchr(__beg, ';');
if (!__end)
__end = __s + __len;
char* __new = new char[__end - __beg + 1];
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