Update.cvs/libc-ud-971214

1997-12-14 21:33  Ulrich Drepper  <drepper@cygnus.com>

	* version.h (VERSION): Bump to 2.0.91.

	* db2/makedb.c (process_input): Fix typo in message.
	* sunrpc/rpcinfo.c (pmapdump): Unify messages.

	* elf/dynamic-link.h: Pretty print.

	* elf/rtld.c: Allow multiple preloading of a shared object.

	* include/limits.h: Prevent multiple inclusion.

	* malloc/Makefile (headers): Add mcheck.h.
	(distribute): Remove it here.
	* malloc/mcheck.h: Pretty print.
	* malloc/mtrace.c (mallenv): Make `const'.
	* malloc/mtrace.pl: Don't print table head for memory leaks if there
	are none.
	* manual/memory.texi: Update descriptor of malloc hooks.

	* posix/Makefile (routines): Add waitid.
	* posix/sys/types.h [__USE_SVID || __USE_POSIX]: Define id_t based
	on __id_t.
	* posix/sys/wait.h: Define idtype_t type.
	Add prototype for waitid.
	* signal/signal.h: Move definition of sigval_t to <bits/siginfo.h>.
	* sysdeps/generic/waitid.c: Stub for waitid.
	* sysdeps/generic/bits/siginfo.h: Define sigval_t.  Arrange to work
	the __need_siginfo_t defined.
	* sysdeps/unix/sysv/linux/bits/siginfo: Likewise.
	* sysdeps/generic/bits/types.h: Define __id_t.
	Correct definition of __FDMASK.
	* sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise.

	* sysdeps/posix/waitid.c: New file.
	Provided by Zack Weinberg.

	* rt/aio_misc.c: Rename __aio_free_req to __aio_free_request.

	* sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
	Add missing parameters.

	* sysdeps/generic/dl-sysdep.c: Don't call __libc_init_secure.
	* sysdeps/generic/enbl-secure.c: Don't define __libc_uid.
	* sysdeps/unix/sysv/linux/init-first.c: Define __libc_uid.
	* sysdeps/unix/sysv/linux/sigqueue.c: Make sure __libc_uid is
	initialized.

	* sysdeps/i386/dl-machine.h: Little cleanup.

	* sysdeps/i386/fpu/bits/mathinline.h: Use __signbit* inline functions.
	(__finite): Mark function as const.
	Add inline code for __ieee754_atan2.

	* sysdeps/libm-ieee754/s_cacoshf.c: Add alternate implementation
	(but don't use it now).
	* sysdeps/libm-ieee754/s_catan.c: Use __ieee754_atan2 instead of
	__atan.
	* sysdeps/libm-ieee754/s_catanf.c: Likewise.
	* sysdeps/libm-ieee754/s_catanl.c: Likewise.
	* sysdeps/libm-ieee754/s_catanh.c: Likewise.  Correct sign of
	real part.
	* sysdeps/libm-ieee754/s_catanhf.c: Likewise.
	* sysdeps/libm-ieee754/s_catanhl.c: Likewise.
	* sysdeps/libm-ieee754/s_clog10.c: Use factor to correct
	__ieee754_atan2 to base 10.
	* sysdeps/libm-ieee754/s_clog10f.c: Likewise.
	* sysdeps/libm-ieee754/s_clog10l.c: Likewise.

	* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Define as
	old_kernel_sigaction.

	* sysdeps/unix/sysv/linux/net/if_slip.h: Pretty print.

	* wctype/Makefile (routines): Add wctype_l.
	* wctype/wctype.h: Add declaration of __wctype_l.
	* wctype/wctype_l.c: New file.

1997-12-10 00:38  Ulrich Drepper  <drepper@cygnus.com>

	* locale/C-ctype.c: Correct data for isw* functions.
	* locale/programs/ld-ctype.c: Write 32bit char classes in correct
	byte order.
	* wctype/test_wctype.c: Add test for isw* functions.
	* wctype/wctype.c: Return value with expected byte order.

	* sysdeps/generic/_G_config.h: Define _G_HAVE_IO_FILE_OPEN.
	* sysdeps/unix/sysv/linux/_G_config.h: Likewise.

15 files changed, 167 insertions, 131 deletions

diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 6903e0b6cd..27684ef3fe 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -67,6 +67,12 @@ endif
 ifeq ($(subdir),stdio-common)
 # Just disable the auto generation in sysdeps/generic
 inhibit-siglist := yes
+
+ifeq ($(versioning),yes)
+aux += oldsiglist
+endif
+
+shared-only-routines += oldsiglist
 endif
 
 ifeq ($(subdir),inet)
@@ -111,8 +117,7 @@ endif
 
 ifeq ($(subdir),signal)
 sysdep_routines += rt_sigsuspend rt_sigprocmask rt_sigtimedwait	\
-		   rt_sigqueueinfo rt_sigaction rt_sigpending	\
-		   rt_sigreturn
+		   rt_sigqueueinfo rt_sigaction rt_sigpending
 endif
 
 common-generated += bits/stdio_lim.h bits/stdio_lim.d
diff --git a/sysdeps/unix/sysv/linux/_G_config.h b/sysdeps/unix/sysv/linux/_G_config.h
index 9ad897644e..5dda3d71db 100644
--- a/sysdeps/unix/sysv/linux/_G_config.h
+++ b/sysdeps/unix/sysv/linux/_G_config.h
@@ -48,6 +48,9 @@ typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
 #define _G_HAVE_PRINTF_FP 1
 #define _G_HAVE_MMAP 1
 #define _G_HAVE_LONG_DOUBLE_IO 1
+#define _G_HAVE_IO_FILE_OPEN 1
+
+#define _G_IO_IO_FILE_VERSION 0x20001
 
 #define _G_OPEN64	open64
 #define _G_LSEEK64	lseek64
@@ -66,7 +69,7 @@ typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
 #define _G_VTABLE_LABEL_PREFIX_ID __vt_
 
 
-#if defined (__cplusplus) || defined (__STDC__)
+#if defined __cplusplus || defined __STDC__
 # define _G_ARGS(ARGLIST) ARGLIST
 #else
 # define _G_ARGS(ARGLIST) ()
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/types.h b/sysdeps/unix/sysv/linux/alpha/bits/types.h
index b9e6dd779a..9acdf0c490 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/types.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/types.h
@@ -62,6 +62,7 @@ typedef __uint32_t __fsblkcnt_t;	/* Type to count file system blocks.  */
 typedef __uint64_t __fsblkcnt64_t;	/*  "" (LFS) */
 typedef __uint64_t __fsfilcnt_t;	/* Type to count file system inodes.  */
 typedef __uint64_t __fsfilcnt64_t;	/*  "" (LFS) */
+typedef __uint32_t __id_t;		/* General type for IDs.  */
 
 typedef struct
   {
@@ -90,7 +91,7 @@ typedef unsigned long int __fd_mask;
 /* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */
 #define __NFDBITS	(8 * sizeof (__fd_mask))
 #define	__FDELT(d)	((d) / __NFDBITS)
-#define	__FDMASK(d)	(1 << ((d) % __NFDBITS))
+#define	__FDMASK(d)	((__fd_mask) 1 << ((d) % __NFDBITS))
 
 /* fd_set for select and pselect.  */
 typedef struct
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h b/sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h
index 900bff4aab..6f8bc9bcd4 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h
@@ -1,6 +1,6 @@
 /* This is the sigaction struction from the Linux 2.1.20 kernel.  */
 
-struct kernel_sigaction {
+struct old_kernel_sigaction {
 	__sighandler_t sa_handler;
 	unsigned long sa_mask;
 	unsigned int sa_flags;
diff --git a/sysdeps/unix/sysv/linux/bits/siginfo.h b/sysdeps/unix/sysv/linux/bits/siginfo.h
index 42030abc4f..503465b3bf 100644
--- a/sysdeps/unix/sysv/linux/bits/siginfo.h
+++ b/sysdeps/unix/sysv/linux/bits/siginfo.h
@@ -17,12 +17,23 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#ifndef _SIGNAL_H
+#if !defined _SIGNAL_H && !defined __need_siginfo_t
 # error "Never include this file directly.  Use <signal.h> instead"
 #endif
 
-#define SI_MAX_SIZE     128
-#define SI_PAD_SIZE     ((SI_MAX_SIZE / sizeof (int)) - 3)
+#if (!defined __have_siginfo_t \
+     && (defined _SIGNAL_H || defined __need_siginfo_t))
+# define __have_siginfo_t	1
+
+/* Type for data associated with a signal.  */
+typedef union sigval
+  {
+    int sival_int;
+    void *sival_ptr;
+  } sigval_t;
+
+# define SI_MAX_SIZE     128
+# define SI_PAD_SIZE     ((SI_MAX_SIZE / sizeof (int)) - 3)
 
 typedef struct siginfo
   {
@@ -83,17 +94,17 @@ typedef struct siginfo
 
 
 /* X/Open requires some more fields with fixed names.  */
-#define si_pid		_sifields._kill.si_pid
-#define si_uid		_sifields._kill.si_uid
-#define si_status	_sifields._sigchld.si_status
-#define si_utime	_sifields._sigchld.si_utime
-#define si_stime	_sifields._sigchld.si_stime
-#define si_value	_sifields._rt.si_sigval
-#define si_int		_sifields._rt.si_sigval.sival_int
-#define si_ptr		_sifields._rt.si_sigval.sival_ptr
-#define si_addr		_sifields._sigfault.si_addr
-#define si_band		_sifields._sigpoll.si_band
-#define si_fd		_sifields._sigpoll.si_fd
+# define si_pid		_sifields._kill.si_pid
+# define si_uid		_sifields._kill.si_uid
+# define si_status	_sifields._sigchld.si_status
+# define si_utime	_sifields._sigchld.si_utime
+# define si_stime	_sifields._sigchld.si_stime
+# define si_value	_sifields._rt.si_sigval
+# define si_int		_sifields._rt.si_sigval.sival_int
+# define si_ptr		_sifields._rt.si_sigval.sival_ptr
+# define si_addr	_sifields._sigfault.si_addr
+# define si_band	_sifields._sigpoll.si_band
+# define si_fd		_sifields._sigpoll.si_fd
 
 
 /* Values for `si_code'.  Positive values are reserved for kernel-generated
@@ -101,15 +112,15 @@ typedef struct siginfo
 enum
 {
   SI_ASYNCIO = -4,		/* Sent by AIO completion.  */
-#define SI_ASYNCIO	SI_ASYNCIO
+# define SI_ASYNCIO	SI_ASYNCIO
   SI_MESGQ,			/* Sent by real time mesq state change.  */
-#define SI_MESGQ	SI_MESGQ
+# define SI_MESGQ	SI_MESGQ
   SI_TIMER,			/* Sent by timer expiration.  */
-#define SI_TIMER	SI_TIMER
+# define SI_TIMER	SI_TIMER
   SI_QUEUE,			/* Sent by sigqueue.  */
-#define SI_QUEUE	SI_QUEUE
+# define SI_QUEUE	SI_QUEUE
   SI_USER			/* Sent by kill, sigsend, raise.  */
-#define SI_USER		SI_USER
+# define SI_USER	SI_USER
 };
 
 
@@ -117,111 +128,117 @@ enum
 enum
 {
   ILL_ILLOPC = 1,		/* Illegal opcode.  */
-#define ILL_ILLOPC	ILL_ILLOPC
+# define ILL_ILLOPC	ILL_ILLOPC
   ILL_ILL_OPN,			/* Illegal operand.  */
-#define ILL_ILLOPN	ILL_ILLOPN
+# define ILL_ILLOPN	ILL_ILLOPN
   ILL_ILLADR,			/* Illegal addressing mode.  */
-#define ILL_ILLADR	ILL_ILLADR
+# define ILL_ILLADR	ILL_ILLADR
   ILL_ILLTRP,			/* Illegal trap. */
-#define ILL_ILLTRP	ILL_ILLTRP
+# define ILL_ILLTRP	ILL_ILLTRP
   ILL_PRVOPC,			/* Privileged opcode.  */
-#define ILL_PRVOPC	ILL_PRVOPC
+# define ILL_PRVOPC	ILL_PRVOPC
   ILL_PRVREG,			/* Privileged register.  */
-#define ILL_PRVREG	ILL_PRVREG
+# define ILL_PRVREG	ILL_PRVREG
   ILL_COPROC,			/* Coprocessor error.  */
-#define ILL_COPROC	ILL_COPROC
+# define ILL_COPROC	ILL_COPROC
   ILL_BADSTK			/* Internal stack error.  */
-#define ILL_BADSTK	ILL_BADSTK
+# define ILL_BADSTK	ILL_BADSTK
 };
 
 /* `si_code' values for SIGFPE signal.  */
 enum
 {
   FPE_INTDIV = 1,		/* Integer divide by zero.  */
-#define FPE_INTDIV	FPE_INTDIV
+# define FPE_INTDIV	FPE_INTDIV
   FPE_INTOVF,			/* Integer overflow.  */
-#define FPE_INTOVF	FPE_INTOVF
+# define FPE_INTOVF	FPE_INTOVF
   FPE_FLTDIV,			/* Floating point divide by zero.  */
-#define FPE_FLTDIV	FPE_FLTDIV
+# define FPE_FLTDIV	FPE_FLTDIV
   FPE_FLTOVF,			/* Floating point overflow.  */
-#define FPE_FLTOVF	FPE_FLTOVF
+# define FPE_FLTOVF	FPE_FLTOVF
   FPE_FLTUND,			/* Floating point underflow.  */
-#define FPE_FLTUND	FPE_FLTUND
+# define FPE_FLTUND	FPE_FLTUND
   FPE_FLTRES,			/* Floating point inexact result.  */
-#define FPE_FLTRES	FPE_FLTRES
+# define FPE_FLTRES	FPE_FLTRES
   FPE_FLTINV,			/* Floating point invalid operation.  */
-#define FPE_FLTINV	FPE_FLTINV
+# define FPE_FLTINV	FPE_FLTINV
   FPE_FLTSUB			/* Subscript out of range.  */
-#define FPE_FLTSUB	FPE_FLTSUB
+# define FPE_FLTSUB	FPE_FLTSUB
 };
 
 /* `si_code' values for SIGSEGV signal.  */
 enum
 {
   SEGV_MAPERR = 1,		/* Address not mapped to object.  */
-#define SEGV_MAPERR	SEGV_MAPERR
+# define SEGV_MAPERR	SEGV_MAPERR
   SEGV_ACCERR			/* Invalid permissions for mapped object.  */
-#define SEGV_ACCERR	SEGV_ACCERR
+# define SEGV_ACCERR	SEGV_ACCERR
 };
 
 /* `si_code' values for SIGBUS signal.  */
 enum
 {
   BUS_ADRALN = 1,		/* Invalid address alignment.  */
-#define BUS_ADRALN	BUS_ADRALN
+# define BUS_ADRALN	BUS_ADRALN
   BUS_ADRERR,			/* Non-existant physical address.  */
-#define BUS_ADRERR	BUS_ADRERR
+# define BUS_ADRERR	BUS_ADRERR
   BUS_OBJERR			/* Object specific hardware error.  */
-#define BUS_OBJERR	BUS_OBJERR
+# define BUS_OBJERR	BUS_OBJERR
 };
 
 /* `si_code' values for SIGTRAP signal.  */
 enum
 {
   TRAP_BRKPT = 1,		/* Process breakpoint.  */
-#define TRAP_BRKPT	TRAP_BRKPT
+# define TRAP_BRKPT	TRAP_BRKPT
   TRAP_TRACE			/* Process trace trap.  */
-#define TRAP_TRACE	TRAP_TRACE
+# define TRAP_TRACE	TRAP_TRACE
 };
 
 /* `si_code' values for SIGCHLD signal.  */
 enum
 {
   CLD_EXITED = 1,		/* Child has exited.  */
-#define CLD_EXITED	CLD_EXITED
+# define CLD_EXITED	CLD_EXITED
   CLD_KILLED,			/* Child was killed.  */
-#define CLD_KILLED	CLD_KILLED
+# define CLD_KILLED	CLD_KILLED
   CLD_DUMPED,			/* Child terminated abnormally.  */
-#define CLD_DUMPED	CLD_DUMPED
+# define CLD_DUMPED	CLD_DUMPED
   CLD_TRAPPED,			/* Traced child has trapped.  */
-#define CLD_TRAPPED	CLD_TRAPPED
+# define CLD_TRAPPED	CLD_TRAPPED
   CLD_STOPPED,			/* Child has stopped.  */
-#define CLD_STOPPED	CLD_STOPPED
+# define CLD_STOPPED	CLD_STOPPED
   CLD_CONTINUED			/* Stopped child has continued.  */
-#define CLD_CONTINUED	CLD_CONTINUED
+# define CLD_CONTINUED	CLD_CONTINUED
 };
 
 /* `si_code' values for SIGPOLL signal.  */
 enum
 {
   POLL_IN = 1,			/* Data input available.  */
-#define POLL_IN		POLL_IN
+# define POLL_IN	POLL_IN
   POLL_OUT,			/* Output buffers available.  */
-#define POLL_OUT	POLL_OUT
+# define POLL_OUT	POLL_OUT
   POLL_MSG,			/* Input message available.   */
-#define POLL_MSG	POLL_MSG
+# define POLL_MSG	POLL_MSG
   POLL_ERR,			/* I/O error.  */
-#define POLL_ERR	POLL_ERR
+# define POLL_ERR	POLL_ERR
   POLL_PRI,			/* High priority input available.  */
-#define POLL_PRI	POLL_PRI
+# define POLL_PRI	POLL_PRI
   POLL_HUP			/* Device disconnected.  */
-#define POLL_HUP	POLL_HUP
+# define POLL_HUP	POLL_HUP
 };
 
+# undef __need_siginfo_t
+#endif	/* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
+
+
+#if defined _SIGNAL_H && !defined __have_sigevent_t
+# define __have_sigevent_t	1
 
 /* Structure to transport application-defined values with signals.  */
-#define SIGEV_MAX_SIZE	64
-#define SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# define SIGEV_MAX_SIZE	64
+# define SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE / sizeof (int)) - 3)
 
 typedef struct sigevent
   {
@@ -242,16 +259,18 @@ typedef struct sigevent
   } sigevent_t;
 
 /* POSIX names to access some of the members.  */
-#define sigev_notify_function   _sigev_un._sigev_thread._function
-#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
+# define sigev_notify_function   _sigev_un._sigev_thread._function
+# define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 
 /* `sigev_notify' values.  */
 enum
 {
   SIGEV_SIGNAL = 0,		/* Notify via signal.  */
-#define SIGEV_SIGNAL	SIGEV_SIGNAL
+# define SIGEV_SIGNAL	SIGEV_SIGNAL
   SIGEV_NONE,			/* Other notification: meaningless.  */
-#define SIGEV_NONE	SIGEV_NONE
+# define SIGEV_NONE	SIGEV_NONE
   SIGEV_THREAD			/* Deliver via thread creation.  */
-#define SIGEV_THREAD	SIGEV_THREAD
+# define SIGEV_THREAD	SIGEV_THREAD
 };
+
+#endif	/* have _SIGNAL_H.  */
diff --git a/sysdeps/unix/sysv/linux/bits/types.h b/sysdeps/unix/sysv/linux/bits/types.h
index daa94336de..dec60e244b 100644
--- a/sysdeps/unix/sysv/linux/bits/types.h
+++ b/sysdeps/unix/sysv/linux/bits/types.h
@@ -67,6 +67,7 @@ typedef int __pid_t;			/* Type of process identifications.  */
 typedef int __ssize_t;			/* Type of a byte count, or error.  */
 typedef long int __rlim_t;		/* Type of resource counts.  */
 typedef __quad_t __rlim64_t;		/* Type of resource counts (LFS).  */
+typedef __u_int __id_t;			/* General type for ID.  */
 
 typedef struct
   {
@@ -90,7 +91,7 @@ typedef unsigned long int __fd_mask;
 /* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */
 #define __NFDBITS	(8 * sizeof (__fd_mask))
 #define	__FDELT(d)	((d) / __NFDBITS)
-#define	__FDMASK(d)	(1 << ((d) % __NFDBITS))
+#define	__FDMASK(d)	((__fd_mask) 1 << ((d) % __NFDBITS))
 
 /* fd_set for select and pselect.  */
 typedef struct
diff --git a/sysdeps/unix/sysv/linux/init-first.c b/sysdeps/unix/sysv/linux/init-first.c
index 505b8ddcfe..3a172288b6 100644
--- a/sysdeps/unix/sysv/linux/init-first.c
+++ b/sysdeps/unix/sysv/linux/init-first.c
@@ -24,6 +24,7 @@
 #include <init-first.h>
 #include <sys/types.h>
 
+extern void __libc_init_secure (void);
 extern void __libc_init (int, char **, char **);
 extern void __libc_global_ctors (void);
 
@@ -42,8 +43,9 @@ int __libc_multiple_libcs = 1;
 int __libc_argc;
 char **__libc_argv;
 
-/* We often need the PID.  Cache this value.  */
+/* We often need the UID and PID.  Cache these values.  */
 pid_t __libc_pid = 0xf00baa;
+uid_t __libc_uid = 0xf00baa;
 
 
 static void
@@ -71,6 +73,10 @@ init (int argc, char **argv, char **envp)
   __libc_argv = argv;
   __environ = envp;
 
+#ifndef PIC
+  __libc_init_secure ();
+#endif
+
   __libc_init (argc, argv, envp);
 
   /* This is a hack to make the special getopt in GNU libc working.  */
diff --git a/sysdeps/unix/sysv/linux/net/if_slip.h b/sysdeps/unix/sysv/linux/net/if_slip.h
index 2670427dbe..4686bc5da1 100644
--- a/sysdeps/unix/sysv/linux/net/if_slip.h
+++ b/sysdeps/unix/sysv/linux/net/if_slip.h
@@ -1,6 +1,25 @@
-#ifndef __NET_SLIP_H
-#define __NET_SLIP_H 1
+/* Copyright (C) 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 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 _NET_IF_SLIP_H
+#define _NET_IF_SLIP_H 1
+
+/* We can use the kernel header.  */
 #include <linux/if_slip.h>
 
-#endif
+#endif	/* net/if_slip.h.  */
diff --git a/sysdeps/unix/sysv/linux/oldsiglist.c b/sysdeps/unix/sysv/linux/oldsiglist.c
new file mode 100644
index 0000000000..e9c933f9b3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/oldsiglist.c
@@ -0,0 +1,21 @@
+#include <stddef.h>
+#include <signal.h>
+
+const char * const __old_sys_siglist[32] =
+{
+#define init_sig(sig, abbrev, desc)   [sig] desc,
+#include "siglist.h"
+#undef init_sig
+};
+
+const char * const __old_sys_sigabbrev[32] =
+{
+#define init_sig(sig, abbrev, desc)   [sig] abbrev,
+#include "siglist.h"
+#undef init_sig
+};
+
+strong_alias (__old_sys_siglist, _old_sys_siglist)
+symbol_version (__old_sys_siglist, _sys_siglist, GLIBC_2.0);
+symbol_version (_old_sys_siglist, sys_siglist, GLIBC_2.0);
+symbol_version (__old_sys_sigabbrev, sys_sigabbrev, GLIBC_2.0);
diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c
index 1412c381d0..3eb721454e 100644
--- a/sysdeps/unix/sysv/linux/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sigaction.c
@@ -16,6 +16,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <errno.h>
 #include <signal.h>
 
 /* The difference here is that the sigaction structure used in the
@@ -23,10 +24,10 @@
    translate it here.  */
 #include <kernel_sigaction.h>
 
-extern int __syscall_sigaction (int, const struct kernel_sigaction *,
-				struct kernel_sigaction *);
-extern int __syscall_rt_signal (int, const struct sigaction *,
-				struct sigaction *, size_t);
+extern int __syscall_sigaction (int, const struct old_kernel_sigaction *,
+				struct old_kernel_sigaction *);
+extern int __syscall_rt_sigaction (int, const struct sigaction *,
+				   struct sigaction *, size_t);
 
 /* The variable is shared between all wrappers around signal handling
    functions which have RT equivalents.  It is defined in sigsuspend.c.  */
diff --git a/sysdeps/unix/sysv/linux/siglist.c b/sysdeps/unix/sysv/linux/siglist.c
index c054e81999..9f42cc0a87 100644
--- a/sysdeps/unix/sysv/linux/siglist.c
+++ b/sysdeps/unix/sysv/linux/siglist.c
@@ -1,19 +1,26 @@
 #include <stddef.h>
 #include <signal.h>
 
-const char * const _sys_siglist[NSIG] =
+const char * const __new_sys_siglist[NSIG] =
 {
 #define init_sig(sig, abbrev, desc)   [sig] desc,
 #include "siglist.h"
 #undef init_sig
 };
 
-const char * const _sys_sigabbrev[NSIG] =
+const char * const __new_sys_sigabbrev[NSIG] =
 {
 #define init_sig(sig, abbrev, desc)   [sig] abbrev,
 #include "siglist.h"
 #undef init_sig
 };
 
+#ifdef DO_VERSIONING
+strong_alias (__new_sys_siglist, _new_sys_siglist)
+default_symbol_version (__new_sys_siglist, _sys_siglist, GLIBC_2.1);
+default_symbol_version (_new_sys_siglist, sys_siglist, GLIBC_2.1);
+default_symbol_version (__new_sys_sigabbrev, sys_sigabbrev, GLIBC_2.1);
+#else
 weak_alias(_sys_siglist, sys_siglist)
 weak_alias(_sys_sigabbrev, sys_sigabbrev)
+#endif
diff --git a/sysdeps/unix/sysv/linux/sigqueue.c b/sysdeps/unix/sysv/linux/sigqueue.c
index a88cd88f66..53e66af176 100644
--- a/sysdeps/unix/sysv/linux/sigqueue.c
+++ b/sysdeps/unix/sysv/linux/sigqueue.c
@@ -44,6 +44,8 @@ __sigqueue (pid, sig, val)
     __libc_pid = __getpid ();
   info.si_pid = __libc_pid;
 
+  if (__libc_uid ==0xf00baa)
+    __libc_pid = __getuid ();
   info.si_uid = __libc_uid;
 
   info.si_value = val;
diff --git a/sysdeps/unix/sysv/linux/sigreturn.c b/sysdeps/unix/sysv/linux/sigreturn.c
index 540dfdf388..6b3116fef2 100644
--- a/sysdeps/unix/sysv/linux/sigreturn.c
+++ b/sysdeps/unix/sysv/linux/sigreturn.c
@@ -1,51 +1,3 @@
-/* Copyright (C) 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 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.  */
-
-#include <errno.h>
-#include <signal.h>
-#include <unistd.h>
-
-extern int __syscall_sigreturn (struct sigcontext *);
-extern int __syscall_rt_sigreturn (struct sigcontext *, size_t);
-
-/* The variable is shared between all wrappers around signal handling
-   functions which have RT equivalents.  It is defined in sigsuspend.c.  */
-extern int __libc_have_rt_sigs;
-
-
-/* Get and/or change the set of blocked signals.  */
-int
-__sigreturn (scp)
-     struct sigcontext *scp;
-{
-  /* First try the RT signals.  */
-  if (__libc_have_rt_sigs)
-    {
-      /* XXX The size argument hopefully will have to be changed to the
-	 real size of the user-level sigset_t.  */
-      int result = __syscall_rt_sigreturn (scp, _NSIG / 8);
-
-      if (result >= 0 || errno != ENOSYS)
-	return result;
-
-      __libc_have_rt_sigs = 0;
-    }
-
-  return __syscall_sigreturn (scp);
-}
-weak_alias (__sigprocmask, sigprocmask)
+/* The sigreturn syscall cannot be explicitly called on Linux, only
+   implicitly by returning from a signal handler.  */
+#include <sysdeps/generic/sigreturn.c>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h
index a417928863..0c421fb7a7 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h
@@ -54,6 +54,7 @@ typedef int __pid_t;			/* Type of process identifications.  */
 typedef long long int __ssize_t;	/* Type of a byte count, or error.  */
 typedef long int __rlim_t;		/* Type of resource counts.  */
 typedef long int __rlim64_t;		/* Type of resource counts (LFS).  */
+typedef __u_int __id_t;			/* General type for IDs.  */
 
 typedef struct
   {
@@ -82,7 +83,7 @@ typedef unsigned long int __fd_mask;
 /* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */
 #define __NFDBITS	(8 * sizeof (__fd_mask))
 #define	__FDELT(d)	((d) / __NFDBITS)
-#define	__FDMASK(d)	(1 << ((d) % __NFDBITS))
+#define	__FDMASK(d)	((__fd_mask) 1 << ((d) % __NFDBITS))
 
 /* fd_set for select and pselect.  */
 typedef struct
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index ed760af2ab..16538cee73 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -39,7 +39,6 @@ rt_sigaction	-	rt_sigaction	4	__syscall_rt_sigaction
 rt_sigpending	-	rt_sigpending	2	__syscall_rt_sigpending
 rt_sigprocmask	-	rt_sigprocmask	4	__syscall_rt_sigprocmask
 rt_sigqueueinfo	-	rt_sigqueueinfo	3	__syscall_rt_sigqueueinfo
-rt_sigreturn	-	rt_sigreturn	1	__syscall_rt_sigreturn
 rt_sigsuspend	-	rt_sigsuspend	2	__syscall_rt_sigsuspend
 rt_sigtimedwait	-	rt_sigtimedwait	4	__syscall_rt_sigtimedwait
 s_getdents	EXTRA	getdents	3	__getdents
@@ -52,7 +51,6 @@ s_reboot	EXTRA	reboot		3	__syscall_reboot
 s_sigaction	sigaction sigaction	3	__syscall_sigaction
 s_sigpending	EXTRA	sigpending	1	__syscall_sigpending
 s_sigprocmask	EXTRA	sigprocmask	3	__syscall_sigprocmask
-s_sigreturn	sigreturn sigreturn	1	__syscall_sigreturn
 s_sigsuspend	sigsuspend sigsuspend	3	__syscall_sigsuspend
 s_sysctl	sysctl	_sysctl		1	__syscall__sysctl
 s_ustat		ustat	ustat		2	__syscall_ustat