Mercurial > hg > xemacs-beta
annotate src/getpagesize.h @ 5894:23178aa71f8b
Define ALIGNOF using C11 and C++11 operators.
See <CAHCOHQmG51R61KwGUNY7T5t9tXxzbyg=aGijUKYstbE+wL2-6Q@mail.gmail.com> in
xemacs-patches for more information.
| author | Jerry James <james@xemacs.org> |
|---|---|
| date | Mon, 20 Apr 2015 15:09:11 -0600 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 428 | 1 /* This file is part of XEmacs. |
| 2 | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
4759
diff
changeset
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3 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 4 under the terms of the GNU General Public License as published by the |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
4759
diff
changeset
|
5 Free Software Foundation, either version 3 of the License, or (at your |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
4759
diff
changeset
|
6 option) any later version. |
| 428 | 7 |
| 8 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 11 for more details. | |
| 12 | |
| 13 You should have received a copy of the GNU General Public License | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
4759
diff
changeset
|
14 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 15 |
| 16 /* Synched up with: FSF 19.30. */ | |
| 17 | |
| 440 | 18 #ifndef INCLUDED_getpagesize_h_ |
| 19 #define INCLUDED_getpagesize_h_ | |
| 20 | |
| 428 | 21 /* Emulate getpagesize on systems that lack it. */ |
| 22 | |
| 23 #if 0 | |
| 24 #ifdef __hpux | |
| 25 #include <sys/types.h> | |
| 26 static size_t getpagesize() { return( 4096 ); } | |
| 27 #define HAVE_GETPAGESIZE | |
| 28 #endif | |
| 29 #endif | |
| 30 | |
| 31 #ifndef HAVE_GETPAGESIZE | |
| 32 | |
| 33 #ifdef HAVE_UNISTD_H | |
| 34 #include <unistd.h> | |
| 35 #endif | |
| 36 | |
| 37 #ifdef _SC_PAGESIZE | |
| 38 #define getpagesize() sysconf(_SC_PAGESIZE) | |
| 39 #else | |
| 40 | |
| 41 #include <sys/param.h> | |
| 42 | |
| 43 #ifdef EXEC_PAGESIZE | |
| 44 #define getpagesize() EXEC_PAGESIZE | |
| 45 #else | |
| 46 #ifdef NBPG | |
| 47 #define getpagesize() NBPG * CLSIZE | |
| 48 #ifndef CLSIZE | |
| 49 #define CLSIZE 1 | |
| 50 #endif /* no CLSIZE */ | |
| 51 #else /* no NBPG */ | |
| 52 #if (defined (sparc) && defined (USG)) || defined (SOLARIS2) | |
| 53 #define getpagesize() PAGESIZE | |
| 54 #else /* not Solaris 2 */ | |
| 55 #ifdef PAGESIZE | |
| 56 #define getpagesize() PAGESIZE | |
| 57 #endif | |
| 58 #endif /* not Solaris 2 */ | |
| 59 #endif /* no NBPG */ | |
| 60 #endif /* no EXEC_PAGESIZE */ | |
| 61 #endif /* _SC_PAGESIZE */ | |
| 62 #endif /* not HAVE_GETPAGESIZE */ | |
| 63 | |
| 440 | 64 #endif /* INCLUDED_getpagesize_h_ */ |