diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/am33/brk.c')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/am33/brk.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/am33/brk.c b/ports/sysdeps/unix/sysv/linux/am33/brk.c new file mode 100644 index 0000000000..a06495cf29 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/am33/brk.c @@ -0,0 +1,45 @@ +/* brk system call for Linux/am33. + Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva <aoliva@redhat.com>. + Based on ../i386/brk.c. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <sysdep.h> + +/* This must be initialized data because commons can't have aliases. */ +void *__curbrk = 0; + +int +__brk (void *addr) +{ + void *newbrk; + + newbrk = INLINE_SYSCALL (brk, 1, __ptrvalue (addr)); + + __curbrk = newbrk; + + if (newbrk < addr) + { + __set_errno (ENOMEM); + return -1; + } + + return 0; +} +weak_alias (__brk, brk) |