diff options
author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
---|---|---|
committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/unix/sysv/linux/hppa/mmap.c | |
parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/hppa/mmap.c')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/hppa/mmap.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/mmap.c b/ports/sysdeps/unix/sysv/linux/hppa/mmap.c new file mode 100644 index 0000000000..420d6567a6 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/hppa/mmap.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sys/types.h> +#include <sys/mman.h> +#include <errno.h> + +/* Map addresses starting near ADDR and extending for LEN bytes. From + OFFSET into the file FD describes according to PROT and FLAGS. If ADDR + is nonzero, it is the desired mapping address. If the MAP_FIXED bit is + set in FLAGS, the mapping will be at ADDR exactly (which must be + page-aligned); otherwise the system chooses a convenient nearby address. + The return value is the actual mapping address chosen or MAP_FAILED + for errors (in which case `errno' is set). A successful `mmap' call + deallocates any previous mapping for the affected region. */ + +#include <sysdep.h> + +__ptr_t +__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) +{ + + __ptr_t ret; + + ret = INLINE_SYSCALL(mmap, 6, addr, len, prot, flags, fd, offset); + + /* check if it's really a negative number */ + if(((unsigned long)ret & 0xfffff000) == 0xfffff000) + return MAP_FAILED; + + return ret; + +} + +strong_alias (__mmap, mmap) |