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-rw-r--r--libc/sysdeps/linux/sh/sys/io.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/sh/sys/io.h b/libc/sysdeps/linux/sh/sys/io.h
index f833c4e8b..e4d16c48b 100644
--- a/libc/sysdeps/linux/sh/sys/io.h
+++ b/libc/sysdeps/linux/sh/sys/io.h
@@ -23,17 +23,18 @@
__BEGIN_DECLS
+#if defined __UCLIBC_LINUX_SPECIFIC__
/* If TURN_ON is TRUE, request for permission to do direct i/o on the
port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
permission off for that range. This call requires root privileges. */
extern int ioperm (unsigned long int __from, unsigned long int __num,
int __turn_on) __THROW;
-libc_hidden_proto(ioperm)
/* Set the I/O privilege level to LEVEL. If LEVEL is nonzero,
permission to access any I/O port is granted. This call requires
root privileges. */
extern int iopl (int __level) __THROW;
+#endif /* __UCLIBC_LINUX_SPECIFIC__ */
/* The functions that actually perform reads and writes. */
extern unsigned char inb (unsigned long int port) __THROW;