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authorEric Andersen <andersen@codepoet.org>2005-02-18 16:38:06 +0000
committerEric Andersen <andersen@codepoet.org>2005-02-18 16:38:06 +0000
commit6294d7d2226c061b0547edb877295be04a65f321 (patch)
tree5b840401fa616e64fecbba7ff0e649c277e2b2b6 /libc/sysdeps/linux/common/pivot_root.c
parent2e1397254005fe0828088b2f5b1a0eb5604c9f4e (diff)
Some uClinux architectures do not define pivot_root
Diffstat (limited to 'libc/sysdeps/linux/common/pivot_root.c')
-rw-r--r--libc/sysdeps/linux/common/pivot_root.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/pivot_root.c b/libc/sysdeps/linux/common/pivot_root.c
index 3b0e32db8..c424afd13 100644
--- a/libc/sysdeps/linux/common/pivot_root.c
+++ b/libc/sysdeps/linux/common/pivot_root.c
@@ -2,10 +2,19 @@
/*
* pivot_root() for uClibc
*
- * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
+ * Copyright (C) 2000-2005 by Erik Andersen <andersen@codepoet.org>
*
* GNU Library General Public License (LGPL) version 2 or later.
*/
#include "syscalls.h"
+
+#ifdef __NR_pivot_root
_syscall2(int, pivot_root, const char *, new_root, const char *, put_old);
+#else
+int pivot_root(const char *new_root, const char *put_old)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif