4 files changed, 114 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist
index ce55ab2d25..e1a89711e2 100644
--- a/sysdeps/unix/sysv/linux/Dist
+++ b/sysdeps/unix/sysv/linux/Dist
@@ -20,6 +20,7 @@ sys/mount.h
 sys/mtio.h
 sys/procfs.h
 sys/quota.h
+sys/serial.h
 sys/socketcall.h
 sys/soundcard.h
 sys/sysctl.h
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index fcfb76c08f..69c207a575 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -8,7 +8,8 @@ sysdep_routines += sysctl clone
 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h sys/mtio.h \
 		  sys/module.h sys/io.h sys/klog.h sys/kdaemon.h \
 		  sys/user.h syscall-list.h sys/sysmacros.h sys/procfs.h \
-		  sys/debugreg.h sys/kd.h sys/soundcard.h sys/vt.h
+		  sys/debugreg.h sys/kd.h sys/soundcard.h sys/vt.h \
+		  sys/serial.h
 
 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/syscall.h
diff --git a/sysdeps/unix/sysv/linux/paths.h b/sysdeps/unix/sysv/linux/paths.h
index 6751c0d4a9..eaa6aa632f 100644
--- a/sysdeps/unix/sysv/linux/paths.h
+++ b/sysdeps/unix/sysv/linux/paths.h
@@ -62,6 +62,7 @@
 #define	_PATH_TTY	"/dev/tty"
 #define	_PATH_UNIX	"/vmlinux"
 #define _PATH_UTMP	"/var/run/utmp"
+#define _PATH_UTMP_DB	"/var/run/utmp.db"
 #define	_PATH_VI	"/usr/bin/vi"
 #define _PATH_WTMP	"/var/log/wtmp"
 
diff --git a/sysdeps/unix/sysv/linux/sys/serial.h b/sysdeps/unix/sysv/linux/sys/serial.h
new file mode 100644
index 0000000000..1844ef6032
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sys/serial.h
@@ -0,0 +1,110 @@
+/* Copyright (C) 1996 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.  */
+
+#ifndef _SYS_SERIAL_H
+#define _SYS_SERIAL_H	1
+/* Defines for PC AT serial port.  */
+
+/* Serial port addresses and IRQs.  */
+#define PORT_0		0x03F8
+#define PORT_1		0x02F8
+#define IRQ_0		0x04
+#define IRQ_1		0x03
+
+/* Definitions for INS8250 / 16550 chips.  */
+
+/* Defined as offsets from the port address (data port).  */
+#define DAT	0	/* Receive/transmit data.  */
+#define ICR	1	/* Interrupt control register.  */
+#define ISR	2	/* Interrupt status register.  */
+#define LCR	3	/* Line control register.  */
+#define MCR	4	/* Modem control register.  */
+#define LSR	5	/* Line status register.  */
+#define MSR	6	/* Modem status register.  */
+#define DLL	0	/* Divisor latch (lsb).  */
+#define DLH	1	/* Divisor latch (msb).  */
+
+
+/* ICR.  */
+#define RIEN	0x01	/* Enable receiver interrupt.  */
+#define TIEN	0x02	/* Enable transmitter interrupt.  */
+#define SIEN	0x04	/* Enable receiver line status interrupt.  */
+#define MIEN	0x08	/* Enable modem status interrupt.  */
+
+
+/* ISR */
+#define FFTMOUT	0x0c	/* Fifo rcvr timeout.  */
+#define RSTATUS	0x06	/* Change in receiver line status.  */
+#define RxRDY	0x04	/* Receiver data available.  */
+#define TxRDY	0x02	/* Transmitter holding register empty.  */
+#define MSTATUS	0x00	/* Change in modem status.  */
+
+
+/* LCR 3
+   Number of data bits per received/transmitted character.  */
+#define RXLEN	0x03
+#define STOP1	0x00
+#define STOP2	0x04
+#define PAREN	0x08
+#define PAREVN	0x10
+#define PARMARK	0x20
+#define SNDBRK	0x40
+#define DLAB	0x80
+
+/* Baud rate definitions.  */
+#define ASY9600	12
+
+/* Definitions for character length (data bits) in RXLEN field.  */
+#define BITS5	0x00
+#define BITS6	0x01
+#define BITS7	0x02
+#define BITS8	0x03
+
+/* MCR.  */
+#define DTR	0x01	/* Bring up DTR.  */
+#define RTS	0x02	/* Bring up RTS.  */
+#define OUT1	0x04
+#define OUT2	0x08
+#define LOOP	0x10	/* Put chip into loopback state.  */
+
+
+/* LSR */
+#define RCA	0x01	/* Receive char available.  */
+#define OVRRUN	0x02	/* Receive overrun.  */
+#define PARERR	0x04	/* Parity error.  */
+#define FRMERR	0x08	/* Framing/CRC error.  */
+#define BRKDET	0x10	/* Break detected (null char + frame error).  */
+#define XHRE	0x20	/* Transmit holding register empty.  */
+#define XSRE	0x40	/* Transmit shift register empty.  */
+
+
+/* MSR */
+#define DCTS	0x01	/* CTS has changed state.  */
+#define DDSR	0x02	/* DSR has changed state.  */
+#define DRI	0x04	/* RI has changed state.  */
+#define DDCD	0x08    /* DCD has changed state.  */
+#define CTS	0x10	/* State of CTS.  */
+#define DSR	0x20	/* State of DSR.  */
+#define RI      0x40    /* State of RI.  */
+#define DCD     0x80    /* State of DCD.  */
+
+
+#define DELTAS(x)	((x) & (DCTS | DDSR | DRI | DDCD))
+#define STATES(x)	((x) (CTS | DSR | RI | DCD))
+
+#endif /* sys/serial.h */