(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

22 files changed, 1129 insertions, 0 deletions

diff --git a/sysdeps/unix/bsd/sun/sunos4/.cvsignore b/sysdeps/unix/bsd/sun/sunos4/.cvsignore
new file mode 100644
index 0000000000..1f69fd919a
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/.cvsignore
@@ -0,0 +1,4 @@
+*.gz *.Z *.tar *.tgz
+=*
+TODO COPYING* AUTHORS copyr-* copying.*
+glibc-*
diff --git a/sysdeps/unix/bsd/sun/sunos4/Implies b/sysdeps/unix/bsd/sun/sunos4/Implies
new file mode 100644
index 0000000000..c99e256ac1
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/Implies
@@ -0,0 +1,2 @@
+# SunOS 4 has the canonical set of <sys/mman.h> system calls.
+unix/mman
diff --git a/sysdeps/unix/bsd/sun/sunos4/Makefile b/sysdeps/unix/bsd/sun/sunos4/Makefile
new file mode 100644
index 0000000000..d17654a30f
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/Makefile
@@ -0,0 +1,7 @@
+ifeq ($(subdir),posix)
+sysdep_routines := $(sysdep_routines) sys_wait4
+endif
+
+ifeq ($(subdir),misc)
+sysdep_routines := $(sysdep_routines) sys_mmap
+endif
diff --git a/sysdeps/unix/bsd/sun/sunos4/bits/fcntl.h b/sysdeps/unix/bsd/sun/sunos4/bits/fcntl.h
new file mode 100644
index 0000000000..a30b352592
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/bits/fcntl.h
@@ -0,0 +1,142 @@
+/* O_*, F_*, FD_* bit values for SunOS 4.
+   Copyright (C) 1991, 1992, 1997, 2004 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.  */
+
+#ifndef	_FCNTL_H
+#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+/* File access modes for `open' and `fcntl'.  */
+#define	O_RDONLY	0	/* Open read-only.  */
+#define	O_WRONLY	1	/* Open write-only.  */
+#define	O_RDWR		2	/* Open read/write.  */
+
+
+/* Bits OR'd into the second argument to open.  */
+#define	O_CREAT		0x0200	/* Create file if it doesn't exist.  */
+#define	O_EXCL		0x0800	/* Fail if file already exists.  */
+#define	O_TRUNC		0x0400	/* Truncate file to zero length.  */
+#define	O_NOCTTY	0x8000	/* Don't assign a controlling terminal.  */
+#if defined __USE_BSD || defined __USE_SVID
+#define	O_ASYNC		0x0040	/* Send SIGIO to owner when data is ready.  */
+#define	O_FSYNC		0x2000	/* Synchronous writes.  */
+#define	O_SYNC		O_FSYNC
+#endif
+
+/* File status flags for `open' and `fcntl'.  */
+#define	O_APPEND	0x0008	/* Writes append to the file.  */
+#define	O_NONBLOCK	0x4000	/* Non-blocking I/O.  */
+
+/* Sun defines O_NDELAY one way for BSD behavior and another for System V
+   behavior.  In the GNU C library, you get the BSD behavior unless you
+   define _USG_SOURCE without also defining _BSD_SOURCE or _GNU_SOURCE.  */
+#ifdef __USE_BSD
+#define	O_NDELAY	0x0004
+#endif
+#if !defined (O_NDELAY) && defined (__USE_SVID)
+#define	O_NDELAY	0x1000
+#endif
+
+#ifdef __USE_BSD
+/* Bits in the file status flags returned by F_GETFL.
+   These are all the O_* flags, plus FREAD and FWRITE, which are
+   independent bits set by which of O_RDONLY, O_WRONLY, and O_RDWR, was
+   given to `open'.  */
+#define FREAD		1
+#define	FWRITE		2
+
+/* Traditional Unix names the O_* bits.  */
+#define FASYNC		O_ASYNC
+#define FCREAT		O_CREAT
+#define FEXCL		O_EXCL
+#define FTRUNC		O_TRUNC
+#define FNOCTTY		O_NOCTTY
+#define FFSYNC		O_FSYNC
+#define FSYNC		O_SYNC
+#define FAPPEND		O_APPEND
+#define FNONBLOCK	O_NONBLOCK
+#define FNONBIO		O_NONBLOCK
+#define FNDELAY		0x0004	/* BSD O_NDELAY.  */
+#define	FNBIO		0x1000	/* System V O_NDELAY.  */
+#endif
+
+/* Mask for file access modes.  This is system-dependent in case
+   some system ever wants to define some other flavor of access.  */
+#define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
+
+/* Values for the second argument to `fcntl'.  */
+#define	F_DUPFD	  	0	/* Duplicate file descriptor.  */
+#define	F_GETFD		1	/* Get file descriptor flags.  */
+#define	F_SETFD		2	/* Set file descriptor flags.  */
+#define	F_GETFL		3	/* Get file status flags.  */
+#define	F_SETFL		4	/* Set file status flags.  */
+#if defined __USE_BSD || defined __USE_UNIX98
+#define	F_GETOWN	5	/* Get owner (receiver of SIGIO).  */
+#define	F_SETOWN	6	/* Set owner (receiver of SIGIO).  */
+#endif
+#define	F_GETLK		7	/* Get record locking info.  */
+#define	F_SETLK		8	/* Set record locking info (non-blocking).  */
+#define	F_SETLKW	9	/* Set record locking info (blocking).  */
+#ifdef	__USE_BSD
+#define	F_RGETLK	10	/* Get remote record locking info.  */
+#define	F_RSETLK	11	/* Set remote locking info (non-blocking).  */
+#define	F_CNVT		12	/* Convert a fhandle to an open fd.  */
+#define	F_RSETLKW	13	/* Set remote locking info (blocking).  */
+#endif
+
+/* File descriptor flags used with F_GETFD and F_SETFD.  */
+#define	FD_CLOEXEC	1	/* Close on exec.  */
+
+
+#include <bits/types.h>
+
+/* The structure describing an advisory lock.  This is the type of the third
+   argument to `fcntl' for the F_GETLK, F_SETLK, and F_SETLKW requests.  */
+struct flock
+  {
+    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
+    __off_t l_start;	/* Offset where the lock begins.  */
+    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
+    short int l_pid;	/* Process holding the lock.  */
+    short int l_xxx;	/* Reserved for future use.  */
+  };
+
+#ifdef	__USE_BSD
+/* The structure describing a remote advisory lock.  This is the type of the
+   third arg to `fcntl' for the F_RGETLK, F_RSETLK, and F_RSETLKW requests.  */
+struct eflock
+  {
+    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
+    __off_t l_start;	/* Offset where the lock begins.  */
+    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
+    short int l_pid;	/* Process holding the lock.  */
+    short int l_xxx;	/* Reserved for future use.  */
+    long int l_rpid;	/* Remote process ID wanting this lock.  */
+    long int l_rsys;	/* Remote system ID wanting this lock.  */
+  };
+
+#endif
+
+
+/* Values for the `l_type' field of a `struct flock'.  */
+#define	F_RDLCK	1	/* Read lock.  */
+#define	F_WRLCK	2	/* Write lock.  */
+#define	F_UNLCK	3	/* Remove lock.  */
diff --git a/sysdeps/unix/bsd/sun/sunos4/bits/mman.h b/sysdeps/unix/bsd/sun/sunos4/bits/mman.h
new file mode 100644
index 0000000000..fdef46522a
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/bits/mman.h
@@ -0,0 +1,68 @@
+/* Definitions for BSD-style memory management.  SunOS 4 version.
+   Copyright (C) 1994, 1995, 1996, 1997, 1998 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.  */
+
+#ifndef	_BITS_MMAN_H
+#define	_BITS_MMAN_H	1
+
+/* Protections are chosen from these bits, OR'd together.  The
+   implementation does not necessarily support PROT_EXEC or PROT_WRITE
+   without PROT_READ.  The only guarantees are that no writing will be
+   allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
+
+#define	PROT_NONE	0x00	/* No access.  */
+#define	PROT_READ	0x01	/* Pages can be read.  */
+#define	PROT_WRITE	0x02	/* Pages can be written.  */
+#define	PROT_EXEC	0x04	/* Pages can be executed.  */
+
+/* Sharing types (must choose one and only one of these).  */
+#define	MAP_SHARED	0x01	/* Share changes.  */
+#define	MAP_PRIVATE	0x02	/* Changes private; copy pages on write.  */
+#ifdef __USE_BSD
+# define MAP_TYPE	0x0f	/* Mask for sharing type.  */
+#endif
+
+/* Other flags.  */
+#define	MAP_FIXED	0x10	/* Map address must be exactly as requested. */
+/* The following three flags are not actually implemented in SunOS 4.1.  */
+#ifdef __USE_BSD
+# define MAP_RENAME	0x20	/* Rename private pages to file.  */
+# define MAP_NORESERVE	0x40	/* Don't reserve needed swap area.  */
+# define MAP_INHERIT	0x80	/* Region is retained after exec.  */
+#endif
+
+/* This is an internal flag that is always set in `mmap' system calls.  In
+   older versions of SunOS 4 `mmap' did not return the actual mapping
+   address, but always returned zero.  This flag says to return the
+   address; the `mmap' C library function always sets it.  */
+#define	_MAP_NEW	0x80000000
+
+/* Advice to `madvise'.  */
+#ifdef __USE_BSD
+# define MADV_NORMAL	0	/* No further special treatment.  */
+# define MADV_RANDOM	1	/* Expect random page references.  */
+# define MADV_SEQUENTIAL	2	/* Expect sequential page references.  */
+# define MADV_WILLNEED	3	/* Will need these pages.  */
+# define MADV_DONTNEED	4	/* Don't need these pages.  */
+#endif
+
+/* Flags to `msync'.  */
+#define	MS_ASYNC	0x1		/* Return immediately, don't fsync.  */
+#define	MS_INVALIDATE	0x2		/* Invalidate caches.  */
+
+#endif /* bits/mman.h */
diff --git a/sysdeps/unix/bsd/sun/sunos4/bits/resource.h b/sysdeps/unix/bsd/sun/sunos4/bits/resource.h
new file mode 100644
index 0000000000..2f0d2dc73f
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/bits/resource.h
@@ -0,0 +1,174 @@
+/* Bit values for resource limits.  SunOS 4 version.
+   Copyright (C) 1994, 1996, 1997 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.  */
+
+#ifndef _SYS_RESOURCE_H
+# error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
+#endif
+
+/* These are the values for 4.4 BSD and GNU.  Earlier BSD systems have a
+   subset of these kinds of resource limit.  In systems where `getrlimit'
+   and `setrlimit' are not system calls, these are the values used by the C
+   library to emulate them.  */
+
+#include <bits/types.h>
+
+/* Kinds of resource limit.  */
+enum __rlimit_resource
+  {
+    /* Per-process CPU limit, in seconds.  */
+    RLIMIT_CPU,
+#define	RLIMIT_CPU	RLIMIT_CPU
+    /* Largest file that can be created, in bytes.  */
+    RLIMIT_FSIZE,
+#define	RLIMIT_FSIZE	RLIMIT_FSIZE
+    /* Maximum size of data segment, in bytes.  */
+    RLIMIT_DATA,
+#define	RLIMIT_DATA	RLIMIT_DATA
+    /* Maximum size of stack segment, in bytes.  */
+    RLIMIT_STACK,
+#define	RLIMIT_STACK	RLIMIT_STACK
+    /* Largest core file that can be created, in bytes.  */
+    RLIMIT_CORE,
+#define	RLIMIT_CORE	RLIMIT_CORE
+    /* Largest resident set size, in bytes.
+       This affects swapping; processes that are exceeding their
+       resident set size will be more likely to have physical memory
+       taken from them.  */
+    RLIMIT_RSS,
+#define	RLIMIT_RSS	RLIMIT_RSS
+    /* Number of open files.  */
+    RLIMIT_NOFILE,
+    RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same.  */
+#define	RLIMIT_NOFILE	RLIMIT_NOFILE
+#define	RLIMIT_OFILE	RLIMIT_OFILE
+
+    RLIM_NLIMITS
+  };
+
+/* Value to indicate that there is no limit.  */
+#ifndef __USE_FILE_OFFSET64
+# define RLIM_INFINITY 0x7fffffff
+#else
+# define RLIM_INFINITY 0x7fffffffffffffffLL
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define RLIM64_INFINITY 0x7fffffffffffffffLL
+#endif
+
+
+/* Type to represent quantities in resource limits.  */
+#ifndef __USE_FILE_OFFSET64
+typedef __rlim_t rlim_t;
+#else
+typedef __rlim64_t rlim_t;
+#endif
+
+struct rlimit
+  {
+    /* The current (soft) limit.  */
+    rlim_t rlim_cur;
+    /* The hard limit.  */
+    rlim_t rlim_max;
+  };
+
+#ifdef __USE_LARGEFILE64
+typedef __rlim64_t rlim64_t;
+
+struct rlimit64
+  {
+    /* The current (soft) limit.  */
+    rlim64_t rlim_cur;
+    /* The hard limit.  */
+    rlim64_t rlim_max;
+  };
+#endif
+
+/* Whose usage statistics do you want?  */
+enum __rusage_who
+/* The macro definitions are necessary because some programs want
+   to test for operating system features with #ifdef RUSAGE_SELF.
+   In ISO C the reflexive definition is a no-op.  */
+  {
+    /* The calling process.  */
+    RUSAGE_SELF = 0,
+#define RUSAGE_SELF     RUSAGE_SELF
+    /* All of its terminated child processes.  */
+    RUSAGE_CHILDREN = -1
+#define RUSAGE_CHILDREN RUSAGE_CHILDREN
+  };
+
+#define __need_timeval
+#include <bits/time.h>           /* For `struct timeval'.  */
+
+/* Structure which says how much of each resource has been used.  */
+struct rusage
+  {
+    /* Total amount of user time used.  */
+    struct timeval ru_utime;
+    /* Total amount of system time used.  */
+    struct timeval ru_stime;
+    /* Maximum resident set size (in kilobytes).  */
+    long int ru_maxrss;
+    /* Amount of sharing of text segment memory
+       with other processes (kilobyte-seconds).  */
+    long int ru_ixrss;
+    /* Amount of data segment memory used (kilobyte-seconds).  */
+    long int ru_idrss;
+    /* Amount of stack memory used (kilobyte-seconds).  */
+    long int ru_isrss;
+    /* Number of soft page faults (i.e. those serviced by reclaiming
+       a page from the list of pages awaiting reallocation.  */
+    long int ru_minflt;
+    /* Number of hard page faults (i.e. those that required I/O).  */
+    long int ru_majflt;
+    /* Number of times a process was swapped out of physical memory.  */
+    long int ru_nswap;
+    /* Number of input operations via the file system.  Note: This
+       and `ru_oublock' do not include operations with the cache.  */
+    long int ru_inblock;
+    /* Number of output operations via the file system.  */
+    long int ru_oublock;
+    /* Number of IPC messages sent.  */
+    long int ru_msgsnd;
+    /* Number of IPC messages received.  */
+    long int ru_msgrcv;
+    /* Number of signals delivered.  */
+    long int ru_nsignals;
+    /* Number of voluntary context switches, i.e. because the process
+       gave up the process before it had to (usually to wait for some
+       resource to be available).  */
+    long int ru_nvcsw;
+    /* Number of involuntary context switches, i.e. a higher priority process
+       became runnable or the current process used up its time slice.  */
+    long int ru_nivcsw;
+  };
+
+/* Priority limits.  */
+#define PRIO_MIN        -20     /* Minimum priority a process can have.  */
+#define PRIO_MAX        20      /* Maximum priority a process can have.  */
+
+/* The type of the WHICH argument to `getpriority' and `setpriority',
+   indicating what flavor of entity the WHO argument specifies.  */
+enum __priority_which
+  {
+    PRIO_PROCESS = 0,           /* WHO is a process ID.  */
+    PRIO_PGRP = 1,              /* WHO is a process group ID.  */
+    PRIO_USER = 2               /* WHO is a user ID.  */
+  };
diff --git a/sysdeps/unix/bsd/sun/sunos4/bits/termios.h b/sysdeps/unix/bsd/sun/sunos4/bits/termios.h
new file mode 100644
index 0000000000..97612c8f0b
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/bits/termios.h
@@ -0,0 +1,212 @@
+/* termios type and macro definitions.  SunOS 4 version.
+   Copyright (C) 1993, 1994, 1996, 1997 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.  */
+
+#ifndef _TERMIOS_H
+# error "Never include <bits/termios.h> directly; use <termios.h> instead."
+#endif
+
+/* Type of terminal control flag masks.  */
+typedef unsigned long int tcflag_t;
+
+/* Type of control characters.  */
+typedef unsigned char cc_t;
+
+/* Type of baud rate specifiers.  */
+typedef unsigned int speed_t;
+
+/* Terminal control structure.  */
+struct termios
+{
+  /* Input modes.  */
+  tcflag_t c_iflag;
+#define	IGNBRK	0x0001		/* Ignore break condition.  */
+#define	BRKINT	0x0002		/* Signal interrupt on break.  */
+#define	IGNPAR	0x0004		/* Ignore characters with parity errors.  */
+#define	PARMRK	0x0008		/* Mark parity and framing errors.  */
+#define	INPCK	0x0010		/* Enable input parity check.  */
+#define	ISTRIP	0x0020		/* Strip 8th bit off characters.  */
+#define	INLCR	0x0040		/* Map NL to CR on input.  */
+#define	IGNCR	0x0080		/* Ignore CR.  */
+#define	ICRNL	0x0100		/* Map CR to NL on input.  */
+#ifdef __USE_BSD
+# define IUCLC	0x0200		/* Map upper case to lower case on input.  */
+#endif
+#define	IXON	0x0400		/* Enable start/stop output control.  */
+#define	IXOFF	0x1000		/* Enable start/stop input control.  */
+#ifdef	__USE_BSD
+# define IXANY	0x0800		/* Any character will restart after stop.  */
+# define IMAXBEL	0x2000		/* Ring bell when input queue is full.  */
+#endif
+
+  /* Output modes.  */
+  tcflag_t c_oflag;
+#define	OPOST	0x0001		/* Perform output processing.  */
+#ifdef	__USE_BSD
+# define OLCUC	0x00000002	/* Map lower case to upper case on output.  */
+# define ONLCR	0x00000004	/* Map NL to CR-NL on output.  */
+# define OCRNL	0x00000008
+# define ONOCR	0x00000010
+# define ONLRET	0x00000020
+# define OFILL	0x00000040
+# define OFDEL	0x00000080
+# define NLDLY	0x00000100
+# define NL0	0
+# define NL1	0x00000100
+# define CRDLY	0x00000600
+# define CR0	0
+# define CR1	0x00000200
+# define CR2	0x00000400
+# define CR3	0x00000600
+# define TABDLY	0x00001800
+# define TAB0	0
+# define TAB1	0x00000800
+# define TAB2	0x00001000
+# define XTABS	0x00001800
+# define TAB3	XTABS
+# define BSDLY	0x00002000
+# define BS0	0
+# define BS1	0x00002000
+# define VTDLY	0x00004000
+# define VT0	0
+# define VT1	0x00004000
+# define FFDLY	0x00008000
+# define FF0	0
+# define FF1	0x00008000
+# define PAGEOUT 0x00010000
+# define WRAP	0x00020000
+#endif
+
+  /* Control modes.  */
+  tcflag_t c_cflag;
+#define	CSIZE	(CS5|CS6|CS7|CS8) /* Number of bits per byte (mask).  */
+#define	CS5	0		/* 5 bits per byte.  */
+#define	CS6	0x00000010	/* 6 bits per byte.  */
+#define	CS7	0x00000020	/* 7 bits per byte.  */
+#define	CS8	0x00000030	/* 8 bits per byte.  */
+#define	CSTOPB	0x00000040	/* Two stop bits instead of one.  */
+#define	CREAD	0x00000080	/* Enable receiver.  */
+#define	PARENB	0x00000100	/* Parity enable.  */
+#define	PARODD	0x00000200	/* Odd parity instead of even.  */
+#define	HUPCL	0x00000400	/* Hang up on last close.  */
+#define	CLOCAL	0x00000800	/* Ignore modem status lines.  */
+#ifdef	__USE_BSD
+# define LOBLK	0x00001000
+# define CRTSCTS	0x80000000
+# define CIBAUD	0x000f0000	/* Mask for input speed from c_cflag.  */
+# define CBAUD	0x0000000f	/* Mask for output speed from c_cflag.  */
+# define IBSHIFT	16		/* Bits to shift for input speed.  */
+#endif
+
+  /* Input and output baud rates.  These are encoded in c_cflag.  */
+#define B0      0
+#define B50     1
+#define B75     2
+#define B110    3
+#define B134    4
+#define B150    5
+#define B200    6
+#define B300    7
+#define B600    8
+#define B1200   9
+#define B1800   10
+#define B2400   11
+#define B4800   12
+#define B9600   13
+#define B19200  14
+#define B38400  15
+#ifdef __USE_BSD
+# define EXTA   14
+# define EXTB   15
+#endif
+
+  /* Local modes.  */
+  tcflag_t c_lflag;
+#ifdef	__USE_BSD
+# define ECHOKE	0x00000800	/* Visual erase for KILL.  */
+#endif
+#define	ECHOE	0x00000010	/* Visual erase for ERASE.  */
+#define	ECHOK	0x00000020	/* Echo NL after KILL.  */
+#define	ECHO	0x00000008	/* Enable echo.  */
+#define	ECHONL	0x00000040	/* Echo NL even if ECHO is off.  */
+#ifdef	__USE_BSD
+# define ECHOPRT	0x00000400	/* Hardcopy visual erase.  */
+# define ECHOCTL	0x00000200	/* Echo control characters as ^X.  */
+#endif
+#define	ISIG	0x00000001	/* Enable signals.  */
+#define	ICANON	0x00000002	/* Do erase and kill processing.  */
+#define	IEXTEN	0x00008000	/* Enable DISCARD and LNEXT.  */
+#define	TOSTOP	0x00000100	/* Send SIGTTOU for background output.  */
+#ifdef	__USE_BSD
+# define PENDIN	0x00004000	/* Retype pending input (state).  */
+#endif
+#define	NOFLSH	0x00000080	/* Disable flush after interrupt.  */
+
+  char c_line;			/* Line discipline (?) */
+
+  /* Control characters.  */
+#define	VEOF	4		/* End-of-file character [ICANON].  */
+#define	VEOL	5		/* End-of-line character [ICANON].  */
+#ifdef	__USE_BSD
+# define VEOL2	6		/* Second EOL character [ICANON].  */
+# define VSWTCH	7		/* ??? */
+#endif
+#define	VERASE	2		/* Erase character [ICANON].  */
+#ifdef	__USE_BSD
+# define VWERASE	14		/* Word-erase character [ICANON].  */
+#endif
+#define	VKILL	3		/* Kill-line character [ICANON].  */
+#ifdef	__USE_BSD
+# define VREPRINT 12		/* Reprint-line character [ICANON].  */
+#endif
+#define	VINTR	0		/* Interrupt character [ISIG].  */
+#define	VQUIT	1		/* Quit character [ISIG].  */
+#define	VSUSP	10		/* Suspend character [ISIG].  */
+#ifdef	__USE_BSD
+# define VDSUSP	11		/* Delayed suspend character [ISIG].  */
+#endif
+#define	VSTART	8		/* Start (X-ON) character [IXON, IXOFF].  */
+#define	VSTOP	9		/* Stop (X-OFF) character [IXON, IXOFF].  */
+#ifdef	__USE_BSD
+# define VLNEXT	15		/* Literal-next character [IEXTEN].  */
+# define VDISCARD 13		/* Discard character [IEXTEN].  */
+#endif
+#define	VMIN	VEOF		/* Minimum number of bytes read at once [!ICANON].  */
+#define	VTIME	VEOL		/* Time-out value (tenths of a second) [!ICANON].  */
+#define	NCCS	17
+  cc_t c_cc[NCCS];
+};
+
+#define _IOT_termios /* Hurd ioctl type field.  */ \
+  _IOT (_IOTS (cflag_t), 4, _IOTS (cc_t), NCCS, _IOTS (speed_t), 2)
+
+/* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'.  */
+#define	TCSANOW		0	/* Change immediately.  */
+#define	TCSADRAIN	1	/* Change when pending output is written.  */
+#define	TCSAFLUSH	2	/* Flush pending input before changing.  */
+
+/* Values for the QUEUE_SELECTOR argument to `tcflush'.  */
+#define	TCIFLUSH	0	/* Discard data received but not yet read.  */
+#define	TCOFLUSH	1	/* Discard data written but not yet sent.  */
+#define	TCIOFLUSH	2	/* Discard all pending data.  */
+
+/* Values for the ACTION argument to `tcflow'.  */
+#define	TCOOFF	0		/* Suspend output.  */
+#define	TCOON	1		/* Restart suspended output.  */
+#define	TCIOFF	2		/* Send a STOP character.  */
+#define	TCION	3		/* Send a START character.  */
diff --git a/sysdeps/unix/bsd/sun/sunos4/bits/utsname.h b/sysdeps/unix/bsd/sun/sunos4/bits/utsname.h
new file mode 100644
index 0000000000..a0246c2a36
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/bits/utsname.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 1997, 2002 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.  */
+
+#ifndef _SYS_UTSNAME_H
+# error "Never include <bits/utsname.h> directly; use <sys/utsname.h> instead."
+#endif
+
+#define _UTSNAME_LENGTH 9
+#define _UTSNAME_NODENAME_LENGTH 65
diff --git a/sysdeps/unix/bsd/sun/sunos4/mmap.c b/sysdeps/unix/bsd/sun/sunos4/mmap.c
new file mode 100644
index 0000000000..c513ae27eb
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/mmap.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 1994, 1995, 1997 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 <sys/types.h>
+#include <sys/mman.h>
+#include <errno.h>
+
+/* Map addresses starting near ADDR and extending for LEN bytes.  from
+   OFFSET into the file FD describes according to PROT and FLAGS.  If ADDR
+   is nonzero, it is the desired mapping address.  If the MAP_FIXED bit is
+   set in FLAGS, the mapping will be at ADDR exactly (which must be
+   page-aligned); otherwise the system chooses a convenient nearby address.
+   The return value is the actual mapping address chosen or MAP_FAILED
+   for errors (in which case `errno' is set).  A successful `mmap' call
+   deallocates any previous mapping for the affected region.  */
+
+extern __ptr_t __mmap_syscall (__ptr_t addr, size_t len,
+			       int prot, int flags, int fd, off_t offset);
+
+
+__ptr_t
+__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
+{
+  return __mmap_syscall (addr, len, prot, flags | _MAP_NEW, fd, offset);
+}
+
+weak_alias (__mmap, mmap)
diff --git a/sysdeps/unix/bsd/sun/sunos4/speed.c b/sysdeps/unix/bsd/sun/sunos4/speed.c
new file mode 100644
index 0000000000..262d70fdfb
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/speed.c
@@ -0,0 +1,118 @@
+/* `struct termios' speed frobnication functions.  SunOS 4 version.
+   Copyright (C) 1991,1992,1993,1996,1997,2002 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 <stddef.h>
+#include <errno.h>
+#include <termios.h>
+
+static const speed_t speeds[] =
+  {
+    0,
+    50,
+    75,
+    110,
+    134,
+    150,
+    200,
+    300,
+    600,
+    1200,
+    1800,
+    2400,
+    4800,
+    9600,
+    19200,
+    38400,
+  };
+
+
+/* Return the output baud rate stored in *TERMIOS_P.  */
+speed_t
+cfgetospeed (termios_p)
+     const struct termios *termios_p;
+{
+  return termios_p->c_cflag & CBAUD;
+}
+
+/* Return the input baud rate stored in *TERMIOS_P.  */
+speed_t
+cfgetispeed (termios_p)
+     const struct termios *termios_p;
+{
+  return (termios_p->c_cflag & CIBAUD) >> IBSHIFT;
+}
+
+/* Set the output baud rate stored in *TERMIOS_P to SPEED.  */
+int
+cfsetospeed (termios_p, speed)
+     struct termios *termios_p;
+     speed_t speed;
+{
+  register unsigned int i;
+
+  if (termios_p == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* This allows either B1200 or 1200 to work.	XXX
+     Do we really want to try to support this, given that
+     fetching the speed must return one or the other?  */
+
+  for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i)
+    if (i == speed || speeds[i] == speed)
+      {
+	termios_p->c_cflag &= ~CBAUD;
+	termios_p->c_cflag |= i;
+	return 0;
+      }
+
+  __set_errno (EINVAL);
+  return -1;
+}
+libc_hidden_def (cfsetospeed)
+
+/* Set the input baud rate stored in *TERMIOS_P to SPEED.  */
+int
+cfsetispeed (termios_p, speed)
+     struct termios *termios_p;
+     speed_t speed;
+{
+  register unsigned int i;
+
+  if (termios_p == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* See comment in cfsetospeed (above).  */
+  for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i)
+    if (i == speed || speeds[i] == speed)
+      {
+	termios_p->c_cflag &= ~CIBAUD;
+	termios_p->c_cflag |= i << IBSHIFT;
+	return 0;
+      }
+
+  __set_errno (EINVAL);
+  return -1;
+}
+libc_hidden_def (cfsetispeed)
diff --git a/sysdeps/unix/bsd/sun/sunos4/sys/ttydefaults.h b/sysdeps/unix/bsd/sun/sunos4/sys/ttydefaults.h
new file mode 100644
index 0000000000..d18433c6fe
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/sys/ttydefaults.h
@@ -0,0 +1,100 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ttydefaults.h	8.4 (Berkeley) 1/21/94
+ */
+
+/*
+ * System wide defaults for terminal state.  SunOS 4 version.
+ */
+#ifndef _SYS_TTYDEFAULTS_H_
+#define	_SYS_TTYDEFAULTS_H_
+
+/*
+ * Defaults on "first" open.
+ */
+#define	TTYDEF_IFLAG	(BRKINT | ISTRIP | ICRNL | IMAXBEL | IXON | IXANY)
+#define TTYDEF_OFLAG	(OPOST | ONLCR | XTABS)
+#define TTYDEF_LFLAG	(ECHO | ICANON | ISIG | IEXTEN | ECHOE|ECHOKE|ECHOCTL)
+#define TTYDEF_CFLAG	(CREAD | CS7 | PARENB | HUPCL)
+#define TTYDEF_SPEED	(B9600)
+
+/*
+ * Control Character Defaults
+ */
+#define CTRL(x)	(x&037)
+#define	CEOF		CTRL('d')
+#ifdef _POSIX_VDISABLE
+# define CEOL		_POSIX_VDISABLE
+#else
+# define CEOL		((unsigned char)'\377')	/* XXX avoid _POSIX_VDISABLE */
+#endif
+#define	CERASE		0177
+#define	CINTR		CTRL('c')
+#ifdef _POSIX_VDISABLE
+# define CSTATUS	_POSIX_VDISABLE
+#else
+# define CSTATUS	((unsigned char)'\377')	/* XXX avoid _POSIX_VDISABLE */
+#endif
+#define	CKILL		CTRL('u')
+#define	CMIN		1
+#define	CQUIT		034		/* FS, ^\ */
+#define	CSUSP		CTRL('z')
+#define	CTIME		0
+#define	CDSUSP		CTRL('y')
+#define	CSTART		CTRL('q')
+#define	CSTOP		CTRL('s')
+#define	CLNEXT		CTRL('v')
+#define	CDISCARD 	CTRL('o')
+#define	CWERASE 	CTRL('w')
+#define	CREPRINT 	CTRL('r')
+#define	CEOT		CEOF
+/* compat */
+#define	CBRK		CEOL
+#define CRPRNT		CREPRINT
+#define	CFLUSH		CDISCARD
+
+/* PROTECTED INCLUSION ENDS HERE */
+#endif /* !_SYS_TTYDEFAULTS_H_ */
+
+/*
+ * #define TTYDEFCHARS to include an array of default control characters.
+ */
+#ifdef TTYDEFCHARS
+cc_t	ttydefchars[NCCS] = {
+	CEOF,	CEOL,	CEOL,	CERASE, CWERASE, CKILL, CREPRINT,
+	_POSIX_VDISABLE, CINTR,	CQUIT,	CSUSP,	CDSUSP,	CSTART,	CSTOP,	CLNEXT,
+	CDISCARD, CMIN,	CTIME,  CSTATUS, _POSIX_VDISABLE
+};
+#undef TTYDEFCHARS
+#endif
diff --git a/sysdeps/unix/bsd/sun/sunos4/syscalls.list b/sysdeps/unix/bsd/sun/sunos4/syscalls.list
new file mode 100644
index 0000000000..59992eed53
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/syscalls.list
@@ -0,0 +1,6 @@
+# File name	Caller	Syscall name	# args	Strong name	Weak names
+
+msync		-	msync		3	msync
+poll		-	poll		3	poll
+sys_mmap	mmap	mmap		5	__mmap_syscall
+sys_wait4	wait4	wait4		4	__wait4_syscall
diff --git a/sysdeps/unix/bsd/sun/sunos4/system.c b/sysdeps/unix/bsd/sun/sunos4/system.c
new file mode 100644
index 0000000000..2c8e634bc8
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/system.c
@@ -0,0 +1,2 @@
+/* SunOS 4 does have `waitpid'.  Avoid unix/system.c, which says we don't.  */
+#include <sysdeps/posix/system.c>
diff --git a/sysdeps/unix/bsd/sun/sunos4/tcflow.c b/sysdeps/unix/bsd/sun/sunos4/tcflow.c
new file mode 100644
index 0000000000..6fcc606f61
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/tcflow.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1993, 1997 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 <termios.h>
+#include <sys/ioctl.h>
+
+/* Suspend or restart transmission on FD.  */
+int
+tcflow (fd, action)
+     int fd;
+     int action;
+{
+  return __ioctl (fd, TCXONC, action);
+}
diff --git a/sysdeps/unix/bsd/sun/sunos4/tcflush.c b/sysdeps/unix/bsd/sun/sunos4/tcflush.c
new file mode 100644
index 0000000000..9e78aadd07
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/tcflush.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1993, 1997 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 <termios.h>
+#include <sys/ioctl.h>
+
+/* Flush pending data on FD.  */
+int
+tcflush (fd, queue_selector)
+     int fd;
+     int queue_selector;
+{
+  return __ioctl (fd, TCFLSH, queue_selector);
+}
diff --git a/sysdeps/unix/bsd/sun/sunos4/tcgetattr.c b/sysdeps/unix/bsd/sun/sunos4/tcgetattr.c
new file mode 100644
index 0000000000..ab74fddf24
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/tcgetattr.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1993, 1995, 1997 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 <stddef.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+/* Put the state of FD into *TERMIOS_P.  */
+int
+__tcgetattr (fd, termios_p)
+     int fd;
+     struct termios *termios_p;
+{
+  return __ioctl (fd, TCGETS, termios_p);
+}
+
+weak_alias (__tcgetattr, tcgetattr)
diff --git a/sysdeps/unix/bsd/sun/sunos4/tcsendbrk.c b/sysdeps/unix/bsd/sun/sunos4/tcsendbrk.c
new file mode 100644
index 0000000000..db5ea8c831
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/tcsendbrk.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1993, 1997 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 <termios.h>
+#include <sys/ioctl.h>
+#include <sys/termio.h>		/* Sun header file.  */
+
+/* Send zero bits on FD.  */
+int
+tcsendbreak (fd, duration)
+     int fd;
+     int duration;
+{
+  /* According to SunOS 4.1's termios(4), you can't specify a duration.  */
+  return __ioctl (fd, TCSBRK, 0);
+}
diff --git a/sysdeps/unix/bsd/sun/sunos4/tcsetattr.c b/sysdeps/unix/bsd/sun/sunos4/tcsetattr.c
new file mode 100644
index 0000000000..934c4c8cf8
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/tcsetattr.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1993, 1996, 1997, 2002 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 <termios.h>
+#include <sys/ioctl.h>
+
+/* Set the state of FD to *TERMIOS_P.  */
+int
+tcsetattr (fd, optional_actions, termios_p)
+     int fd;
+     int optional_actions;
+     const struct termios *termios_p;
+{
+  unsigned long cmd;
+
+  switch (optional_actions)
+    {
+    case TCSANOW:
+      cmd = TCSETS;
+      break;
+    case TCSADRAIN:
+      cmd = TCSETSW;
+      break;
+    case TCSAFLUSH:
+      cmd = TCSETSF;
+      break;
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return __ioctl (fd, cmd, termios_p);
+}
+libc_hidden_def (tcsetattr)
diff --git a/sysdeps/unix/bsd/sun/sunos4/wait.c b/sysdeps/unix/bsd/sun/sunos4/wait.c
new file mode 100644
index 0000000000..79d54580fd
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/wait.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/bsd/bsd4.4/wait.c>
diff --git a/sysdeps/unix/bsd/sun/sunos4/wait3.c b/sysdeps/unix/bsd/sun/sunos4/wait3.c
new file mode 100644
index 0000000000..0b3bdee771
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/wait3.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/bsd/bsd4.4/wait3.c>
diff --git a/sysdeps/unix/bsd/sun/sunos4/wait4.c b/sysdeps/unix/bsd/sun/sunos4/wait4.c
new file mode 100644
index 0000000000..097c15e7d9
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/wait4.c
@@ -0,0 +1,50 @@
+/* This implements wait4 with the 4.4 BSD semantics (also those documented in
+   SunOS 4.1) on top of SunOS's wait4 system call, which has semantics
+   different from those documented.  Go Sun!
+   Copyright (C) 1991,1992,1993,1995,1997,2004 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 <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+extern pid_t __wait4_syscall (pid_t pid, __WAIT_STATUS_DEFN stat_loc,
+			      int options, struct rusage *usage);
+
+pid_t
+__wait4 (pid, stat_loc, options, usage)
+     pid_t pid;
+     __WAIT_STATUS_DEFN stat_loc;
+     int options;
+     struct rusage *usage;
+{
+  switch (pid)
+    {
+    case WAIT_ANY:
+      pid = 0;
+      break;
+
+    case WAIT_MYPGRP:
+      pid = - getpgrp ();
+      break;
+    }
+
+  return __wait4_syscall (pid, stat_loc, options, usage);
+}
+
+weak_alias (__wait4, wait4)
diff --git a/sysdeps/unix/bsd/sun/sunos4/waitpid.c b/sysdeps/unix/bsd/sun/sunos4/waitpid.c
new file mode 100644
index 0000000000..8378982ac7
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/waitpid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/bsd/bsd4.4/waitpid.c>