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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/unix/sysv/linux/x86_64/brk.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/brk.c')
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/brk.c43
1 files changed, 42 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/brk.c b/sysdeps/unix/sysv/linux/x86_64/brk.c
index 09b7dd4707..8b18c4dbb9 100644
--- a/sysdeps/unix/sysv/linux/x86_64/brk.c
+++ b/sysdeps/unix/sysv/linux/x86_64/brk.c
@@ -1 +1,42 @@
-#include <sysdeps/unix/sysv/linux/hppa/brk.c>
+/* brk system call for Linux/x86_64.
+   Copyright (C) 1995, 1996, 2000, 2001, 2006 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#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;
+
+  __curbrk = newbrk = (void *) INLINE_SYSCALL (brk, 1, addr);
+
+  if (newbrk < addr)
+    {
+      __set_errno (ENOMEM);
+      return -1;
+    }
+
+  return 0;
+}
+weak_alias (__brk, brk)