Mercurial > hg > octave-nkf
annotate liboctave/oct-alloc.h @ 12733:b67c2d580a25 stable
maint: clean up top-level directory
* build-aux/bootstrap: Rename from bootstrap.
* build-aux/bootstrap.conf: Rename from bootstrap.conf.
* build-aux/changelog.tmpl: Rename from changelog.tmpl.
* build-aux/bootstrap.conf: Update for new file locations.
* build-aux/common.mk: Rename from common.mk.
* build-aux/diff-template: Rename from diff-template.
* build-aux/mk-opts.pl: Rename from mk-opts.pl.
* build-aux/mkinstalldirs: Rename from mkinstalldirs.
* build-aux/move-if-change: Rename from move-if-change.
* etc/CHECKLIST: Rename from CHECKLIST.
* etc/HACKING: Rename from HACKING.
* etc/NEWS.1: Rename from NEWS.1.
* etc/NEWS.2: Rename from NEWS.2.
* etc/NEWS.3: Rename from NEWS.3.
* etc/OLD-ChangeLogs/ChangeLog: Rename from OLD-ChangeLogs/ChangeLog.
* etc/OLD-ChangeLogs/ChangeLog.1: Rename from
OLD-ChangeLogs/ChangeLog.1.
* etc/OLD-ChangeLogs/doc-ChangeLog: Rename from
OLD-ChangeLogs/doc-ChangeLog.
* etc/OLD-ChangeLogs/libcruft-ChangeLog: Rename from
OLD-ChangeLogs/libcruft-ChangeLog.
* etc/OLD-ChangeLogs/liboctave-ChangeLog: Rename from
OLD-ChangeLogs/liboctave-ChangeLog.
* etc/OLD-ChangeLogs/scripts-ChangeLog: Rename from
OLD-ChangeLogs/scripts-ChangeLog.
* etc/OLD-ChangeLogs/src-ChangeLog: Rename from
OLD-ChangeLogs/src-ChangeLog.
* etc/OLD-ChangeLogs/test-ChangeLog: Rename from
OLD-ChangeLogs/test-ChangeLog.
* etc/PROJECTS: Rename from PROJECTS.
* etc/README.Cygwin: Rename from README.Cygwin.
* etc/README.Linux: Rename from README.Linux.
* etc/README.MacOS: Rename from README.MacOS.
* etc/README.MinGW: Rename from README.MinGW.
* etc/README.Windows: Rename from README.Windows.
* etc/README.devel: Rename from README.devel.
* etc/README.ftp: Rename from README.ftp.
* etc/README.gnuplot: Rename from README.gnuplot.
* etc/README.kpathsea: Rename from README.kpathsea.
* etc/README.mirrors: Rename from README.mirrors.
* etc/README.snapshots: Rename from README.snapshots.
* etc/gdbinit: Rename from gdbinit.
* m4/acinclude.m4: Rename from acinclude.m4.
* src/mkoctfile.cc.in: Rename from mkoctfile.cc.in.
* src/mkoctfile.in: Rename from mkoctfile.in.
* src/octave-config.cc.in: Rename from octave-config.cc.in.
* src/octave-config.in: Rename from octave-config.in.
* config.guess, config.sub, missing, octave-sh: Delete.
* Makefile.am: Include build-aux/common.mk instead of common.mk.
* examples/Makefile.am, libcruft/Makefile.am,
liboctave/Makefile.am, liboctave/config-ops.sh,
scripts/Makefile.am, src/DLD-FUNCTIONS/config-module.sh,
test/Makefile.am, autogen.sh, doc/Makefile.am,
doc/faq/Makefile.am, doc/icons/Makefile.am,
doc/interpreter/Makefile.am, doc/interpreter/config-images.sh,
doc/liboctave/Makefile.am, doc/refcard/Makefile.am,
build-aux/common.mk, src/Makefile.am: Update for new file locations.
* Makefile.am: Don't build mkoctfile or octave-config here.
* README: Update INSTALL info.
* build-aux/mkinstalldirs: Update to new version.
* src/Makefile.am (mkoctfile, octave-config): New targets.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 10 Jun 2011 14:35:42 -0400 |
| parents | 1cf28ef2bb88 |
| children | a35d381e22b0 |
| rev | line source |
|---|---|
| 2475 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 1996-2011 John W. Eaton |
| 2475 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2475 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2475 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_oct_alloc_h) | |
| 24 #define octave_oct_alloc_h 1 | |
| 25 | |
| 12414 | 26 #include <cstddef> |
| 27 | |
| 2475 | 28 class |
| 6108 | 29 OCTAVE_API |
| 2475 | 30 octave_allocator |
| 31 { | |
| 32 public: | |
| 33 | |
| 34 octave_allocator (size_t item_sz, int grow_sz = 256) | |
| 35 : head (0), grow_size (grow_sz), | |
| 36 item_size (item_sz > sizeof (link *) ? item_sz : sizeof (link *)) | |
| 37 { } | |
| 38 | |
| 39 // Get an object from the free list, possibly increasing the size of | |
| 40 // the free list. | |
| 41 void *alloc (size_t size); | |
| 42 | |
| 43 // Put objects back on the free list. | |
| 44 void free (void *p, size_t size); | |
| 45 | |
| 46 private: | |
| 47 | |
| 48 // Structure for internal free list management. | |
| 49 struct link { link *next; }; | |
| 50 | |
| 51 // Front of the free list. | |
| 52 link *head; | |
| 53 | |
| 54 // How many objects to get each time we call the global operator new. | |
| 55 int grow_size; | |
| 56 | |
| 57 // The size of each item on the list (or, if that is smaller than | |
| 58 // the size of list*, the size of list*. | |
| 59 size_t item_size; | |
| 60 | |
| 61 // How to grow the free list. | |
| 62 bool grow (void); | |
| 63 }; | |
| 64 | |
| 4352 | 65 #if defined (HAVE_PLACEMENT_DELETE) |
| 66 #define DECLARE_OCTAVE_ALLOCATOR_PLACEMENT_DELETE \ | |
| 67 void operator delete (void *p, void *) \ | |
| 68 { ::operator delete (p, static_cast<void*> (0)); } | |
| 69 #else | |
| 70 #define DECLARE_OCTAVE_ALLOCATOR_PLACEMENT_DELETE \ | |
| 71 void operator delete (void *p, void *) \ | |
| 72 { ::operator delete (p); } | |
| 73 #endif | |
| 74 | |
| 3219 | 75 #define DECLARE_OCTAVE_ALLOCATOR \ |
| 76 public: \ | |
| 4219 | 77 void *operator new (size_t size, void *p) \ |
| 78 { return ::operator new (size, p); } \ | |
| 4352 | 79 DECLARE_OCTAVE_ALLOCATOR_PLACEMENT_DELETE \ |
| 3219 | 80 void *operator new (size_t size) { return allocator.alloc (size); } \ |
| 81 void operator delete (void *p, size_t size) { allocator.free (p, size); } \ | |
| 82 private: \ | |
| 83 static octave_allocator allocator; | |
| 84 | |
| 85 #define DEFINE_OCTAVE_ALLOCATOR(t) \ | |
| 86 octave_allocator t::allocator (sizeof (t)) | |
| 87 | |
| 88 #define DEFINE_OCTAVE_ALLOCATOR2(t, s) \ | |
| 89 octave_allocator t::allocator (sizeof (t), s) | |
| 90 | |
| 2475 | 91 #endif |