Import glibc-mainline for 2006-08-16

git-svn-id: svn://svn.eglibc.org/fsf/trunk@4 7b3dc134-2b1b-0410-93df-9e9f96275f8d

6 files changed, 258 insertions, 0 deletions

diff --git a/libc/sysdeps/unix/common/.cvsignore b/libc/sysdeps/unix/common/.cvsignore
new file mode 100644
index 000000000..1f69fd919
--- /dev/null
+++ b/libc/sysdeps/unix/common/.cvsignore
@@ -0,0 +1,4 @@
+*.gz *.Z *.tar *.tgz
+=*
+TODO COPYING* AUTHORS copyr-* copying.*
+glibc-*
diff --git a/libc/sysdeps/unix/common/bits/dirent.h b/libc/sysdeps/unix/common/bits/dirent.h
new file mode 100644
index 000000000..666a89fe1
--- /dev/null
+++ b/libc/sysdeps/unix/common/bits/dirent.h
@@ -0,0 +1,33 @@
+/* Directory entry structure `struct dirent'.  SVR4 version.
+   Copyright (C) 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 _DIRENT_H
+# error "Never use <bits/dirent.h> directly; include <dirent.h> instead."
+#endif
+
+struct dirent
+  {
+    unsigned int d_fileno;
+    int d_off;			/* Position in directory of following entry. */
+    unsigned short int d_reclen;
+    char d_name[1];		/* Variable length.  */
+  };
+
+#define _DIRENT_HAVE_D_RECLEN 1
+#define _DIRENT_HAVE_D_OFF 1
diff --git a/libc/sysdeps/unix/common/bits/fcntl.h b/libc/sysdeps/unix/common/bits/fcntl.h
new file mode 100644
index 000000000..5bf6791b5
--- /dev/null
+++ b/libc/sysdeps/unix/common/bits/fcntl.h
@@ -0,0 +1,120 @@
+/* O_*, F_*, FD_* bit values for general Unix system.
+   Copyright (C) 1991, 1992, 1995, 1997, 2000, 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		0x0100	/* Create file if it doesn't exist.  */
+#define	O_EXCL		0x0400	/* Fail if file already exists.  */
+#define	O_TRUNC		0x0200	/* Truncate file to zero length.  */
+#define	O_NOCTTY	0x0800	/* Don't assign a controlling terminal.  */
+#ifdef	__USE_MISC
+# define O_ASYNC	0x0040	/* Send SIGIO to owner when data is ready.  */
+# define O_FSYNC	0x0010	/* 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	0x0080	/* Non-blocking I/O.  */
+
+#ifdef __USE_MISC
+# define O_NDELAY	0x0004
+#endif
+
+#ifdef __USE_MISC
+/* 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	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	23	/* Get owner (receiver of SIGIO).  */
+# define F_SETOWN	24	/* Set owner (receiver of SIGIO).  */
+#endif
+#define	F_GETLK		14	/* Get record locking info.  */
+#define	F_SETLK		6	/* Set record locking info (non-blocking).  */
+#define	F_SETLKW	7	/* Set record locking info (blocking).  */
+#ifdef	__USE_SVID
+# define F_ALLOCSP	10	/* Allocate space in the file.  */
+# define F_FREESP	11	/* Free space in the file.  */
+# define F_RGETLK	20	/* Get remote record locking info.  */
+# define F_RSETLK	21	/* Set remote locking info (non-blocking).  */
+# define F_RSETLKW	22	/* 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.  */
+    long int l_sysid;	/* System ID where locking process resides.  */
+    __pid_t l_pid;	/* Process holding the lock.  */
+    long int pad[4];	/* Reserved for future use.  */
+  };
+
+/* 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/libc/sysdeps/unix/common/lxstat.c b/libc/sysdeps/unix/common/lxstat.c
new file mode 100644
index 000000000..88cc87120
--- /dev/null
+++ b/libc/sysdeps/unix/common/lxstat.c
@@ -0,0 +1,39 @@
+/* lxstat using old-style Unix lstat system call.
+   Copyright (C) 1991,1995,1996,1997,2000,2002 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 <stddef.h>
+#include <sys/stat.h>
+#include <bp-checks.h>
+
+extern int __syscall_lstat (const char *__unbounded, struct stat *__unbounded);
+
+int
+__lxstat (int vers, const char *file, struct stat *buf)
+{
+  if (vers != _STAT_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return __syscall_lstat (CHECK_STRING (file), CHECK_1 (buf));
+}
+hidden_def (__lxstat)
+weak_alias (__lxstat, _lxstat)
diff --git a/libc/sysdeps/unix/common/syscalls.list b/libc/sysdeps/unix/common/syscalls.list
new file mode 100644
index 000000000..baec92f78
--- /dev/null
+++ b/libc/sysdeps/unix/common/syscalls.list
@@ -0,0 +1,16 @@
+# File name	Caller	Syscall name	# args	Strong name	Weak names
+
+adjtime		-	adjtime		i:pp	__adjtime	adjtime
+fchmod		-	fchmod		i:ii	__fchmod	fchmod
+fchown		-	fchown		i:iii	__fchown	fchown
+ftruncate	-	ftruncate	i:ii	__ftruncate	ftruncate
+getrusage	-	getrusage	i:ip	__getrusage	getrusage
+gettimeofday	-	gettimeofday	i:PP	__gettimeofday	gettimeofday __gettimeofday_internal
+settimeofday	-	settimeofday	i:PP	__settimeofday	settimeofday
+setpgid		-	setpgrp		i:ii	__setpgid	setpgid
+setregid	-	setregid	i:ii	__setregid	setregid
+setreuid	-	setreuid	i:ii	__setreuid	setreuid
+sigaction	-	sigaction	i:ipp	__sigaction	sigaction
+sys_lstat	lxstat	lstat		i:sp	__syscall_lstat
+truncate	-	truncate	i:si	__truncate	truncate
+vhangup		-	vhangup		i:i	vhangup
diff --git a/libc/sysdeps/unix/common/tcsendbrk.c b/libc/sysdeps/unix/common/tcsendbrk.c
new file mode 100644
index 000000000..16736e925
--- /dev/null
+++ b/libc/sysdeps/unix/common/tcsendbrk.c
@@ -0,0 +1,46 @@
+/* Send break to terminal.
+   Copyright (C) 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.  */
+
+#include <errno.h>
+#include <stddef.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+/* Send zero bits on FD.  */
+int
+tcsendbreak (int fd, int duration)
+{
+  /* The break lasts 0.25 to 0.5 seconds if DURATION is zero,
+     and an implementation-defined period if DURATION is nonzero.
+     We define a positive DURATION to be number of milliseconds to break.  */
+  if (duration <= 0)
+    return __ioctl (fd, TCSBRK, 0);
+
+#ifdef TCSBRKP
+  /* Probably Linux-specific: a positive third TCSBRKP ioctl argument is
+     defined to be the number of 100ms units to break.  */
+  return __ioctl (fd, TCSBRKP, (duration + 99) / 100);
+#else
+  /* ioctl can't send a break of any other duration for us.
+     This could be changed to use trickery (e.g. lower speed and
+     send a '\0') to send the break, but for now just return an error.  */
+  __set_errno (EINVAL);
+  return -1;
+#endif
+}