From 223bf226827099ff6d9e01dcbb548e829287fa32 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 9 Apr 2001 04:32:28 +0000 Subject: [PATCH] brk implementation for Linux/CRIS. --- sysdeps/unix/sysv/linux/cris/brk.c | 44 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/cris/brk.c diff --git a/sysdeps/unix/sysv/linux/cris/brk.c b/sysdeps/unix/sysv/linux/cris/brk.c new file mode 100644 index 0000000..32a5145 --- /dev/null +++ b/sysdeps/unix/sysv/linux/cris/brk.c @@ -0,0 +1,44 @@ +/* brk system call for Linux/CRIS. + Copyright (C) 1995, 1996, 2001 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 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include + +/* This must be initialized data because commons can't have aliases. */ +void *__curbrk = 0; + +int +__brk (void *addr) +{ + unsigned char *newbrk; + + newbrk = (unsigned char *) INLINE_SYSCALL (brk, 1, addr); + + __curbrk = newbrk; + + if (newbrk < (unsigned char *) addr) + { + __set_errno (ENOMEM); + return -1; + } + + return 0; +} +weak_alias (__brk, brk) -- 2.7.4