2004-01-19 Stefan Olsson <stefan@snon.net>
* include/ext/mt_allocator.h: If a thread, when it dies, still has
memory on it's freelist this memory is not returned to global
list. Simplification of deallocate so that memory is always
returned to the calling thread id's freelist instead of to
global. Fix typos. Add volatile where appropriate.
From-SVN: r76200
2004-01-15 Stefan Olsson <stefan@snon.net>
* include/ext/mt_allocator.h: Reuse thread id's as soon as
possible by changing the behaviour of thread_freelist to do
push_front when threads die instead of push_back.
From-SVN: r75939
2004-01-13 Paolo Carlini <pcarlini@suse.de>
* include/ext/rope (_Rope_rep_alloc_base): Eliminate.
(_Rope_rep_base): Inherit directly from the rope allocator;
use rebinding instead of _Alloc_traits; pick up data member
from _Rope_rep_alloc_base.
(_Rope_alloc_base): Eliminate.
(_Rope_base): Inherit directly from the rope allocator; use
rebinding instead of _Alloc_traits; pick up data member from
_Rope_alloc_base.
(rope::_S_new_RopeLeaf, rope::_S_new_RopeConcatenation,
rope::_S_new_RopeFunction, rope::_S_new_RopeSubstring): Tweak.
From-SVN: r75800
2003-12-28 Paolo Carlini <pcarlini@suse.de>
* include/ext/pool_allocator.h (class __pool_alloc): Use
operator new and operator delete.
From-SVN: r75181
2003-12-23 Benjamin Kosnik <bkoz@redhat.com>
* include/ext/new_allocator.h (new_allocator): Proper allocator class.
(__new_alloc): Delete.
* include/ext/malloc_allocator.h (malloc_allocator): Same.
(__malloc_alloc): Delete.
* include/ext/mt_allocator.h: Same, but weakly.
* include/ext/debug_allocator.h: Convert to the new style.
* include/ext/pool_allocator.h: Use global new and delete directly.
* include/backward/alloc.h: Don't inject malloc_allocator, or
debug_allocator.
* testsuite/ext/allocators.cc: Minimal fixups for usage of new
classes. Comment out tests with __pool_alloc for now.
* testsuite/performance/allocator.cc: Same.
From-SVN: r74965
* include/bits/demangle.h: Fix allocator type correctness,
i.e. make sure that when we instantiate a container with a value
type and an allocator, the allocator's value type matches the
container's.
* include/bits/stl_deque.h (_Deque_alloc_base): Eliminate.
(_Deque_base): inherit directly from the deque's allocator. Use
rebinding instead of _Alloc_traits. Pick up data members from
_Deque_alloc_base.
* include/bits/stl_list.h (_List_alloc_base): Eliminate.
(_List_base): Inherit directly from the list's allocator. Use
rebinding instead of _Alloc_traits. Pick up data members from
_List_alloc_base.
* include/bits/stl_vector.h (_Vector_alloc_base): Eliminate
(_Vector_base): Inherit directly from the vector's allocator. Use
rebinding instead of _Alloc_traits. Pick up data members from
_Vector_alloc_base.
* include/ext/hashtable.h: Fix allocator type correctness (the
vector of buckets must be passed an allocator for objects of
type _Node*). Use rebinding instead of _Alloc_traits.
From-SVN: r74787
2003-11-11 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/12875
* include/bits/fstream.tcc (setbuf): Don't do anything
after open(), in particular don't discard data.
(_M_allocate_internal_buffer): Tweak to not allocate memory
in case the buffer is provided by the user via setbuf.
* include/ext/stdio_filebuf.h: Tweak comment.
* testsuite/27_io/basic_filebuf/setbuf/char/12875-1.cc: New.
* testsuite/27_io/basic_filebuf/setbuf/char/12875-2.cc: Likewise.
* testsuite/27_io/basic_filebuf/setbuf/char/2.cc: Tweak, now
setbuf does nothing after open().
* testsuite/27_io/basic_filebuf/setbuf/char/3.cc: Likewise.
From-SVN: r73477
2003-10-04 Paolo Carlini <pcarlini@unitus.it>
Petur Runolfsson <peturr02@ru.is>
* include/ext/stdio_sync_filebuf.h: Don't include the whole
<fstream>, only <streambuf> and <cstdio>.
Co-Authored-By: Petur Runolfsson <peturr02@ru.is>
From-SVN: r72090
2003-09-03 Petur Runolfsson <peturr02@ru.is>
PR libstdc++/12048
* include/ext/stdio_sync_filebuf.h
(stdio_sync_filebuf::_M_unget_buf): Declare it.
(stdio_sync_filebuf::stdio_sync_filebuf): Initialize _M_unget_buf.
(stdio_sync_filebuf::uflow): Store the returned character in
_M_unget_buf.
(stdio_sync_filebuf::pbackfail): If argument is eof(), pass
_M_unget_buf to syncungetc(). Set _M_unget_buf to eof().
(stdio_sync_filebuf<char>::xsgetn): Store last read character in
_M_unget_buf, if any, else eof().
(stdio_sync_filebuf<wchar_t>::xsgetn: Store last read character in
_M_unget_buf, if any, else eof().
* testsuite/27_io/objects/char/12048.cc: Rename to...
* testsuite/27_io/objects/char/12048-1.cc: ...this.
* testsuite/27_io/objects/char/12048-2.cc: New test.
* testsuite/27_io/objects/char/12048-3.cc: New test.
* testsuite/27_io/objects/char/12048-4.cc: New test.
* testsuite/27_io/objects/char/12048-5.cc: New test. XFAIL.
* testsuite/27_io/objects/wchar_t/12048-1.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-2.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-3.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-4.cc: New test.
* testsuite/27_io/objects/wchar_t/12048-5.cc: New test. XFAIL.
* testsuite/ext/stdio_sync_filebuf_char.cc
(test02, test03, test04, test05): New tests.
* testsuite/ext/stdio_sync_filebuf_wchar_t.cc
(test02, test03, test04, test05): New tests.
2003-09-03 Petur Runolfsson <peturr02@ru.is>
* docs/html/27_io/howto.html: setbuf(0, 0) has no effect on
stringbuf or strstreambuf. Fix typos.
From-SVN: r71026
2003-06-24 Paolo Carlini <pcarlini@unitus.it>
Nathan C. Myers <ncm-nospam@cantrip.org>
* include/std/std_fstream.h (_M_filepos): Remove.
(_M_reading, _M_writing): New, encode the various I/O modes:
'read', 'write' and 'uncommitted'.
(sync): If there is something to flush, do it, then go to
'uncommitted' mode.
* include/bits/fstream.tcc (_M_set_buffer): Overhaul to deal
with three different cases: __off > 0 (upon underflow),
__off == 0 (upon overflow), __off == -1 (upon open, setbuf,
seekoff/pos).
(_M_underflow): Don't call overflow, set _M_reading to true
on success, tweak.
(pbackfail): Set _M_reading to true on pback creation, tweak.
(overflow): Don't seek, deal with overflow in 'uncommitted' mode,
set _M_writing to true on success, tweak.
(seekoff): Simplify, set _M_reading, _M_writing to false, call
_M_set_buffer(-1) ('uncommitted').
(open, close, setbuf): Set _M_reading, _M_writing to false and
call _M_set_buffer(-1), tweak.
(basic_filebuf): Don't set _M_buf_unified.
(_M_destroy_internal_buffer): Don't call setg and setp.
* include/ext/stdio_filebuf.h (stdio_filebuf): Use _M_reading,
_M_writing and _M_set_buffer(-1).
* include/std/std_streambuf.h (_M_move_out_cur, _M_move_in_cur,
_M_out_lim, _M_buf_unified): Remove.
(basic_streambuf): Don't set _M_out_lim and _M_buf_unified.
(setp): Don't set _M_out_lim.
* testsuite/27_io/basic_filebuf/sbumpc/char/1-io.cc: Fix for
the new logic ('read', 'write' and 'uncommitted' modes): e.g.,
upon open the mode is 'uncommitted' and therefore the put area
pointers are null.
* testsuite/27_io/basic_filebuf/sbumpc/char/1-out.cc: Ditto.
* testsuite/27_io/basic_filebuf/seekoff/char/3-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/seekpos/char/3-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/setbuf/char/1.cc: Ditto.
* testsuite/27_io/basic_filebuf/sgetc/char/1-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/sgetc/char/1-out.cc: Ditto.
* testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/sgetn/char/1-out.cc: Ditto.
* testsuite/27_io/basic_filebuf/snextc/char/1-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/snextc/char/1-out.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputbackc/char/1-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputbackc/char/1-out.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputc/char/1-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputc/char/1-out.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputc/char/9701-2.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputn/char/1-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputn/char/1-out.cc: Ditto.
* testsuite/27_io/basic_filebuf/sputn/char/9701-1.cc: Ditto.
* testsuite/27_io/basic_filebuf/sungetc/char/1-io.cc: Ditto.
* testsuite/27_io/basic_filebuf/sungetc/char/1-out.cc: Ditto.
* include/bits/fstream.tcc (showmanyc): Use only the
documented derivation interface to basic_streambuf (gptr(),
setg(), etc.) to work right with user specializations.
* include/bits/streambuf.tcc (sbumpc, sputbackc, sungetc,
sputc, xsgetn, xsputn, __copy_streambufs): Likewise.
* include/std/std_streambuf.h (in_avail, sgetc, uflow, stossc):
Likewise.
* include/std/std_fstream.h (_M_create_pback, _M_destroy_pback,
xsgetn): Likewise.
Co-Authored-By: Nathan C. Myers <ncm-nospam@cantrip.org>
From-SVN: r68420
2003-05-15 Paolo Carlini <pcarlini@unitus.it>
Nathan Myers <ncm@cantrip.org>
* include/bits/fstream.tcc (_M_overflow): Rewrote to call
_M_convert_to_external only once (_M_buf_size is now the size of
the put area + 1 for the overflow char of a full area); call
_M_set_buffer instead of _M_set_indeterminate.
(setbuf): Don't accept a buffer smaller than 2 chars.
(_M_underflow): Refill _M_buf_size - 1 chars; call _M_set_buffer,
instead of _M_set_determinate.
(open): Call _M_set_buffer, instead of _M_set_indeterminate.
(seekoff): Likewise.
* include/ext/stdio_filebuf.h (stdio_filebuf(int,
std::ios_base::openmode, bool, size_t),
stdio_filebuf(std::__c_file*, std::ios_base::openmode, size_t):
Likewise.
* include/std/std_fstream.h (_M_set_indeterminate): Remove.
(_M_set_determinate): Rename as _M_set_buffer, _M_buf_size ->
_M_buf_size - 1.
* include/std/std_streambuf.h: Tweak _M_out_lim comment.
* testsuite/27_io/basic_filebuf/sgetn/char/1.cc: Tweak, taking
into account that, for _M_buf_size == BUFSIZ == 8192, the size of
the put area is now BUFSIZ - 1.
* testsuite/ext/stdio_filebuf_2.cc: Tweak, taking into account
that now the smallest _M_buf_size is 2 (still fails, for the same
reason, with 3.2.3)
Co-Authored-By: Nathan Myers <ncm@cantrip.org>
From-SVN: r66848
* include/bits/stl_threads.h (_Atomic_swap): Kill it...
(_Swap_lock_struct<>): ...and the horse it rode in on.
* src/globals.cc (_Swap_lock_struct<>): Likewise.
* include/ext/stl_rope.h (_Rope_RopeRep<>::_M_c_string_lock): New
member to support...
* include/ext/ropeimpl.h (rope<>::c_str): Follow *all* memory
visibility rules related to POSIX threads.
* testsuite/thread/pthread7-rope.cc: New test.
From-SVN: r66507
2003-05-01 Paolo Carlini <pcarlini@unitus.it>
* include/ext/stdio_filebuf.h
(stdio_filebuf(int, std::ios_base::openmode, bool, size_t),
stdio_filebuf(std::__c_file*, std::ios_base::openmode, size_t)):
Shorten a bit (-10 lines) by factoring out some code.
From-SVN: r66320
2003-04-12 Paolo Carlini <pcarlini at unitus dot it>
* include/ext/stdio_filebuf.h
(stdio_filebuf::stdio_filebuf(int, openmode, bool, size_t),
stdio_filebuf::stdio_filebuf(__c_file*, openmode, size_t):
_M_buf_size_opt == 0 means only "not to use an allocated buffer"
since a stack-based buffer is used for small values of the size_t
parameter.
* include/bits/fstream.tcc (basic_filebuf::_M_really_overflow).
If _M_buf_size != 0 flush out the buffer (any kind, stack-based too).
* testsuite/ext/stdio_filebuf_2.cc: New testfile.
From-SVN: r65513
2003-02-11 Paolo Carlini <pcarlini@unitus.it>
PR libstdc++/9320
* include/ext/stdio_filebuf.h
(stdio_filebuf(int, std::ios_base::openmode, bool, int_type),
stdio_filebuf(std::__c_file*, std::ios_base::openmode, int_type)):
Change to take a __size parameter of type size_t, not
of type (template parameter dependent) int_type.
* src/ios.cc (ios_base::Init::_S_ios_create): Change type of
size vars to size_t.
* testsuite/ext/stdio_filebuf.cc: Add.
From-SVN: r62691
Stefan Olsson
Paolo Carlini
Benjamin Kosnik
Matt Austern
Andrew Pinski
Bernardo Innocenti
Benjamin Kosnik
Paolo Carlini
Petur Runolfsson
Gerald Pfeifer
Mark Mitchell
Phil Edwards
Loren J. Rittle
Michael Ritzert