Update.

	* elf/Versions [ld] (GLIBC_2.2): Export _dl_clktck and _dl_pagesize.
	* elf/dl-load.c: Define _dl_clktck.
	* elf/elf.h: Define AT_CLKTCK.
	* include/time.h: Declare __getclktck.
	* misc/Makefile (routines): Add getclktck.
	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Handle AT_CLKTCK.
	(_dl_show_auxv): Show AT_CLKTCK value.
	* sysdeps/generic/getclktck.c: New file.
	* sysdeps/unix/sysv/linux/getclktck.c: New file.
	* sysdeps/unix/sysv/linux/alpha/getclktck.c: New file.
	* sysdeps/unix/sysv/linux/ia64/getclktck.c: New file.
	* sysdeps/posix/sysconf.c: Use __getclktck to handle _SC_CLK_TCK.
	* sysdeps/unix/sysv/linux/getpagesize.c: New file.
	* sysdeps/unix/sysv/linux/bits/time.h: Use __sysconf to for CLK_TCK.
	* sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/ia64/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/bits/time.h: Likewise.

ChangeLog

@@ -1,5 +1,24 @@
 2000-10-31  Ulrich Drepper  <drepper@redhat.com>
 
+	* elf/Versions [ld] (GLIBC_2.2): Export _dl_clktck and _dl_pagesize.
+	* elf/dl-load.c: Define _dl_clktck.
+	* elf/elf.h: Define AT_CLKTCK.
+	* include/time.h: Declare __getclktck.
+	* misc/Makefile (routines): Add getclktck.
+	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Handle AT_CLKTCK.
+	(_dl_show_auxv): Show AT_CLKTCK value.
+	* sysdeps/generic/getclktck.c: New file.
+	* sysdeps/unix/sysv/linux/getclktck.c: New file.
+	* sysdeps/unix/sysv/linux/alpha/getclktck.c: New file.
+	* sysdeps/unix/sysv/linux/ia64/getclktck.c: New file.
+	* sysdeps/posix/sysconf.c: Use __getclktck to handle _SC_CLK_TCK.
+	* sysdeps/unix/sysv/linux/getpagesize.c: New file.
+	* sysdeps/unix/sysv/linux/bits/time.h: Use __sysconf to for CLK_TCK.
+	* sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise.
+	* sysdeps/unix/sysv/linux/i386/bits/time.h: Likewise.
+	* sysdeps/unix/sysv/linux/ia64/bits/time.h: Likewise.
+	* sysdeps/unix/sysv/linux/s390/bits/time.h: Likewise.
+
 	* sunrpc/clnt_gen.c (clnt_create): Don't set timeout with
 	clnt_control for any protocol.  This would make it impossible for
 	the user to provide one in clnt_call().

elf/Versions

@@ -61,5 +61,6 @@ ld {
 
     # variables used elsewhere
     _dl_out_of_memory; _dl_all_dirs; _dl_init_all_dirs;
+    _dl_clktck; _dl_pagesize;
   }
 }

elf/dl-load.c

@@ -112,6 +112,8 @@ struct filebuf
 
 size_t _dl_pagesize;
 
+int _dl_clktck;
+
 extern const char *_dl_platform;
 extern size_t _dl_platformlen;
 

elf/elf.h

@@ -862,6 +862,7 @@ typedef struct
 #define AT_EUID		12		/* Effective uid */
 #define AT_GID		13		/* Real gid */
 #define AT_EGID		14		/* Effective gid */
+#define AT_CLKTCK	17		/* Frequency of times() */
 
 /* Some more special a_type values describing the hardware.  */
 #define AT_PLATFORM	15		/* String identifying platform.  */
@@ -870,7 +871,7 @@ typedef struct
 
 /* This entry gives some information about the FPU initialization
    performed by the kernel.  */
-#define AT_FPUCW	17		/* Used FPU control word.  */
+#define AT_FPUCW	18		/* Used FPU control word.  */
 
 
 /* Note section contents.  Each entry in the note section begins with

include/time.h

@@ -64,5 +64,9 @@ extern long int __tzname_max (void);
 extern int __nanosleep (__const struct timespec *__requested_time,
 			struct timespec *__remaining);
 extern int __getdate_r (__const char *__string, struct tm *__resbufp);
+
+
+/* Determine CLK_TCK value.  */
+extern int __getclktck (void);
 #endif
 #endif

misc/Makefile

@@ -57,7 +57,7 @@ routines := brk sbrk sstk ioctl \
 	    hsearch hsearch_r tsearch lsearch \
 	    err error ustat \
 	    getsysstats dirname regexp \
-	    getloadavg
+	    getloadavg getclktck
 
 distribute := device-nrs.h
 

stdio-common/Makefile

@@ -55,7 +55,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
 	 tfformat tiformat tllformat tstdiomisc tst-printfsz tst-wc-printf \
 	 scanf1 scanf2 scanf3 scanf4 scanf5 scanf7 scanf8 scanf9 scanf10 \
 	 scanf12 tst-tmpnam tst-cookie tst-obprintf tst-sscanf tst-swprintf \
-	 tst-fseek
+	 tst-fseek tst-fmemopen
 
 test-srcs = tst-unbputc tst-printf
 

sysdeps/generic/dl-sysdep.c

@@ -39,6 +39,7 @@ extern int _dl_argc;
 extern char **_dl_argv;
 extern char **_environ;
 extern size_t _dl_pagesize;
+extern int _dl_clktck;
 extern const char *_dl_platform;
 extern unsigned long int _dl_hwcap;
 extern size_t _dl_platformlen;
@@ -133,6 +134,9 @@ _dl_sysdep_start (void **start_argptr,
       case AT_HWCAP:
 	_dl_hwcap = av->a_un.a_val;
 	break;
+      case AT_CLKTCK:
+	_dl_clktck = av->a_un.a_val;
+	break;
       case AT_FPUCW:
 	_dl_fpu_control = av->a_un.a_val;
 	break;
@@ -264,13 +268,19 @@ _dl_show_auxv (void)
       case AT_HWCAP:
 	_dl_hwcap = av->a_un.a_val;
 	if (_dl_procinfo (_dl_hwcap) < 0)
-	  _dl_sysdep_message ("AT_HWCAP:    ",
+	  _dl_sysdep_message ("AT_HWCAP:  ",
 			      _itoa_word (_dl_hwcap, buf + sizeof buf - 1,
 					  16, 0),
 			      "\n", NULL);
 	break;
+      case AT_CLKTCK:
+	_dl_sysdep_message ("AT_CLKTCK:   ",
+			    _itoa_word (av->a_un.a_val, buf + sizeof buf - 1,
+					10, 0),
+			    "\n", NULL);
+	break;
       case AT_FPUCW:
-	_dl_sysdep_message ("AT_FPUCW:     ",
+	_dl_sysdep_message ("AT_FPUCW:    ",
 			    _itoa_word (av->a_un.a_val, buf + sizeof buf - 1,
 					10, 0),
 			    "\n", NULL);

sysdeps/generic/getclktck.c

@@ -0,0 +1,30 @@
+/* Copyright (C) 2000 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 <time.h>
+
+/* Return frequency of times().  */
+int
+__getclktck ()
+{
+#ifdef	CLK_TCK
+  return CLK_TCK;
+#else
+  return 60;
+#endif
+}

sysdeps/posix/sysconf.c

@@ -55,11 +55,7 @@ __sysconf (name)
 #endif
 
     case _SC_CLK_TCK:
-#ifdef	CLK_TCK
-      return CLK_TCK;
-#else
-      return 60;
-#endif
+      return __getclktck ();
 
     case _SC_NGROUPS_MAX:
 #ifdef	NGROUPS_MAX

sysdeps/unix/sysv/linux/alpha/bits/time.h

@@ -36,7 +36,8 @@
 #  ifndef __STRICT_ANSI__
 /* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
    presents the real value for clock ticks per second for the system.  */
-#   define CLK_TCK 1024
+extern long int __sysconf (int);
+#   define CLK_TCK (__sysconf (2))	/* 2 is _SC_CLK_TCK */
 #  endif
 
 #  ifdef __USE_POSIX199309

sysdeps/unix/sysv/linux/alpha/getclktck.c

@@ -0,0 +1,2 @@
+#define SYSTEM_CLK_TCK	1024
+#include <sysdeps/unix/sysv/linux/getclktck.c>

sysdeps/unix/sysv/linux/bits/time.h

@@ -36,7 +36,8 @@
 #  ifndef __STRICT_ANSI__
 /* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
    presents the real value for clock ticks per second for the system.  */
-#   define CLK_TCK 100
+extern long int __sysconf (int);
+#   define CLK_TCK (__sysconf (2))	/* 2 is _SC_CLK_TCK */
 #  endif
 
 #  ifdef __USE_POSIX199309

sysdeps/unix/sysv/linux/getclktck.c

@@ -0,0 +1,32 @@
+/* Copyright (C) 2000 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 <time.h>
+
+#ifndef SYSTEM_CLK_TCK
+# define SYSTEM_CLK_TCK	100
+#endif
+
+/* Return frequency of times().  */
+int
+__getclktck ()
+{
+  extern int _dl_clktck;	/* Defined in dl-load.c.  */
+
+  return _dl_clktck ?: SYSTEM_CLK_TCK;
+}

sysdeps/unix/sysv/linux/getpagesize.c

@@ -0,0 +1,45 @@
+/* Copyright (C) 1991,1992,1995,1996,1997,2000 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 <unistd.h>
+#include <sys/param.h>
+
+/* Return the system page size.  */
+int
+__getpagesize ()
+{
+  extern size_t _dl_pagesize;
+
+  if (_dl_pagesize != 0)
+    return _dl_pagesize;
+
+#ifdef	EXEC_PAGESIZE
+  return EXEC_PAGESIZE;
+#else	/* No EXEC_PAGESIZE.  */
+#ifdef	NBPG
+#ifndef	CLSIZE
+#define	CLSIZE	1
+#endif	/* No CLSIZE.  */
+  return NBPG * CLSIZE;
+#else	/* No NBPG.  */
+  return NBPC;
+#endif	/* NBPG.  */
+#endif	/* EXEC_PAGESIZE.  */
+}
+
+weak_alias (__getpagesize, getpagesize)

sysdeps/unix/sysv/linux/i386/bits/time.h

@@ -36,7 +36,8 @@
 #  ifndef __STRICT_ANSI__
 /* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
    presents the real value for clock ticks per second for the system.  */
-#   define CLK_TCK 100
+extern long int __sysconf (int);
+#   define CLK_TCK (__sysconf (2))	/* 2 is _SC_CLK_TCK */
 #  endif
 
 #  ifdef __USE_POSIX199309

sysdeps/unix/sysv/linux/ia64/bits/time.h

@@ -36,7 +36,8 @@
 #  ifndef __STRICT_ANSI__
 /* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
    presents the real value for clock ticks per second for the system.  */
-#   define CLK_TCK 1024
+extern long int __sysconf (int);
+#   define CLK_TCK (__sysconf (2))	/* 2 is _SC_CLK_TCK */
 #  endif
 
 #  ifdef __USE_POSIX199309

sysdeps/unix/sysv/linux/ia64/getclktck.c

@@ -0,0 +1,2 @@
+#define SYSTEM_CLK_TCK	1024
+#include <sysdeps/unix/sysv/linux/getclktck.c>

sysdeps/unix/sysv/linux/s390/bits/time.h

@@ -36,7 +36,8 @@
 #  ifndef __STRICT_ANSI__
 /* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
    presents the real value for clock ticks per second for the system.  */
-#   define CLK_TCK 100
+extern long int __sysconf (int);
+#   define CLK_TCK (__sysconf (2))	/* 2 is _SC_CLK_TCK */
 #  endif
 
 #  ifdef __USE_POSIX199309