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Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/am33/brk.c')
-rw-r--r--ports/sysdeps/unix/sysv/linux/am33/brk.c45
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)