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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
| commit | 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch) | |
| tree | c85bca1e6c11eb872edfc64c524d20f2b7e3307b /lib/malloc/getpagesize.h | |
| parent | Initial commit. (diff) | |
| download | bash-70baf9b08adef67074da9e233fa847220a474b78.tar.xz bash-70baf9b08adef67074da9e233fa847220a474b78.zip | |
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/malloc/getpagesize.h')
| -rw-r--r-- | lib/malloc/getpagesize.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/lib/malloc/getpagesize.h b/lib/malloc/getpagesize.h new file mode 100644 index 0000000..a59eabe --- /dev/null +++ b/lib/malloc/getpagesize.h @@ -0,0 +1,60 @@ +/* Emulation of getpagesize() for systems that need it. + Copyright (C) 1991-2003 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne-Again SHell. + + Bash 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 3 of the License, or + (at your option) any later version. + + Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +# if defined (_SC_PAGESIZE) +# define getpagesize() sysconf(_SC_PAGESIZE) +# else +# if defined (_SC_PAGE_SIZE) +# define getpagesize() sysconf(_SC_PAGE_SIZE) +# endif /* _SC_PAGE_SIZE */ +# endif /* _SC_PAGESIZE */ +#endif + +#if !defined (getpagesize) +# if defined (HAVE_SYS_PARAM_H) +# include <sys/param.h> +# endif +# if defined (PAGESIZE) +# define getpagesize() PAGESIZE +# else /* !PAGESIZE */ +# if defined (EXEC_PAGESIZE) +# define getpagesize() EXEC_PAGESIZE +# else /* !EXEC_PAGESIZE */ +# if defined (NBPG) +# if !defined (CLSIZE) +# define CLSIZE 1 +# endif /* !CLSIZE */ +# define getpagesize() (NBPG * CLSIZE) +# else /* !NBPG */ +# if defined (NBPC) +# define getpagesize() NBPC +# endif /* NBPC */ +# endif /* !NBPG */ +# endif /* !EXEC_PAGESIZE */ +# endif /* !PAGESIZE */ +#endif /* !getpagesize */ + +#if !defined (getpagesize) +# define getpagesize() 4096 /* Just punt and use reasonable value */ +#endif |