Update.

1999-07-30  Andreas Schwab  <schwab@suse.de>

	* sysdeps/unix/sysv/linux/getsysstats.c (GET_NPROCS_PARSER): New
	definition.
	(__get_nprocs): Use it.
	(__get_nprocs_conf): Define as separate function if
	GET_NPROCS_CONF_PARSER is defined.
	* sysdeps/unix/sysv/linux/alpha/getsysstats.c: New file.

	* include/sys/sysinfo.h: New file.
	* sysdeps/generic/sys/sysinfo.h: Remove declaration of internal
	interface.
	* sysdeps/unix/sysv/linux/sys/sysinfo.h: Likewise.

1999-07-30  H.J. Lu  <hjl@gnu.org>

	* libio/iofflush.c (fflush_unlocked): Weak aliase if
	_IO_MTSAFE_IO is not defined.
	* libio/clearerr.c (clearerr_unlocked): Likewise.
	* libio/feof.c (feof_unlocked): Likewise.
	* libio/ferror.c (ferror_unlocked): Likewise.
	* libio/fputc.c (fputc_unlocked): Likewise.
	* libio/getc.c (getc_unlocked, fgetc_unlocked): Likewise.
	* libio/getchar.c (getchar_unlocked): Likewise.
	* libio/putc.c (putc_unlocked): Likewise.
	* libio/putchar.c (putchar_unlocked): Likewise.

1999-07-30  Thorsten Kukuk  <kukuk@suse.de>

	* sunrpc/Versions: Add svc_getreq_common, svc_getreq_poll,
	  svc_max_pollfd and svc_pollfd to GLIBC_2.2
	* sunrpc/rpc/svc.h: Use rpc*_t types, add new prototypes
	  for svc_run/poll interface.
	* sunrpc/rpc/types.h: Add rpc*_t typedefs.
	* sunrpc/rpc_common.c: Add svc_pollfd and svc_max_pollfd as
	  global variable.
	* sunrpc/svc.c: Add svc_getreq_poll and svc_getreq_common,
	  rewrite other svc_getreq* functions to use svc_getreq_common.
	* sunrpc/svc_run.c: Use poll().

1999-07-30  Andreas Schwab  <schwab@suse.de>

	* Makerules: Put sysd-versions and Versions.all on
	postclean-generated instead of common-generated.

1999-07-29  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* manual/time.texi (Basic CPU Time): Note that clock_t can wrap
	around and CLOCKS_PER_SEC is 1e6.

3 files changed, 112 insertions, 17 deletions

diff --git a/sysdeps/unix/sysv/linux/alpha/getsysstats.c b/sysdeps/unix/sysv/linux/alpha/getsysstats.c
new file mode 100644
index 0000000000..8588903c89
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/getsysstats.c
@@ -0,0 +1,54 @@
+/* Determine various system internal values, Linux/Alpha version.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Schwab <schwab@suse.de>
+
+   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.  */
+
+
+/* We need to define a special parser for /proc/cpuinfo.  */
+#define GET_NPROCS_PARSER(FP, BUFFER, RESULT)				  \
+  do									  \
+    {									  \
+      (RESULT) = 0;							  \
+      /* Find the line that contains the information about the number of  \
+	 active cpus.  We don't have to fear extremely long lines since	  \
+	 the kernel will not generate them.  8192 bytes are really	  \
+	 enough.  */							  \
+      while (fgets_unlocked (BUFFER, sizeof (BUFFER), FP) != NULL)	  \
+	if (sscanf (BUFFER, "CPUs probed %*d active %d", &(RESULT)) == 1) \
+	  break;							  \
+    }									  \
+  while (0)
+
+
+/* On the Alpha we can distinguish between the number of configured and
+   active cpus.  */
+#define GET_NPROCS_CONF_PARSER(FP, BUFFER, RESULT)			 \
+  do									 \
+    {									 \
+      (RESULT) = 0;							 \
+      /* Find the line that contains the information about the number of \
+	 probed cpus.  We don't have to fear extremely long lines since	 \
+	 the kernel will not generate them.  8192 bytes are really	 \
+	 enough.  */							 \
+      while (fgets_unlocked ((BUFFER), sizeof (BUFFER), (FP)) != NULL)	 \
+	if (sscanf (buffer, "CPUs probed %d", &(RESULT)) == 1)		 \
+	  break;							 \
+    }									 \
+  while (0)
+
+#include <sysdeps/unix/sysv/linux/getsysstats.c>
diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c
index 58f55ac99c..be23753d2f 100644
--- a/sysdeps/unix/sysv/linux/getsysstats.c
+++ b/sysdeps/unix/sysv/linux/getsysstats.c
@@ -1,5 +1,5 @@
 /* Determine various system internal values, Linux version.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -67,6 +67,25 @@ get_proc_path (char *buffer, size_t bufsize)
 
    But not all systems have support for the /proc filesystem.  If it
    is not available we simply return 1 since there is no way.  */
+
+/* Other architectures use different formats for /proc/cpuinfo.  This
+   provides a hook for alternative parsers.  */
+#ifndef GET_NPROCS_PARSER
+# define GET_NPROCS_PARSER(FP, BUFFER, RESULT)				\
+  do									\
+    {									\
+      (RESULT) = 0;							\
+      /* Read all lines and count the lines starting with the string	\
+	 "processor".  We don't have to fear extremely long lines since	\
+	 the kernel will not generate them.  8192 bytes are really	\
+	 enough.  */							\
+      while (fgets_unlocked (BUFFER, sizeof (BUFFER), FP) != NULL)	\
+	if (strncmp (BUFFER, "processor", 9) == 0)			\
+	  ++(RESULT);							\
+    }									\
+  while (0)
+#endif
+
 int
 __get_nprocs ()
 {
@@ -89,15 +108,7 @@ __get_nprocs ()
       fp = fopen (proc_cpuinfo, "r");
       if (fp != NULL)
 	{
-	  result = 0;
-	  /* Read all lines and count the lines starting with the
-	     string "processor".  We don't have to fear extremely long
-	     lines since the kernel will not generate them.  8192
-	     bytes are really enough.  */
-	  while (fgets_unlocked (buffer, sizeof buffer, fp) != NULL)
-	    if (strncmp (buffer, "processor", 9) == 0)
-	      ++result;
-
+	  GET_NPROCS_PARSER (fp, buffer, result);
 	  fclose (fp);
 	}
     }
@@ -106,12 +117,46 @@ __get_nprocs ()
 }
 weak_alias (__get_nprocs, get_nprocs)
 
+
+#ifdef GET_NPROCS_CONF_PARSER
+/* On some architectures it is possible to distinguish between configured
+   and active cpus.  */
+int
+__get_nprocs_conf ()
+{
+  FILE *fp;
+  char buffer[8192];
+  char *proc_path;
+  int result = 1;
+
+  /* XXX Here will come a test for the new system call.  */
+
+  /* Get mount point of proc filesystem.  */
+  proc_path = get_proc_path (buffer, sizeof buffer);
+
+  /* If we haven't found an appropriate entry return 1.  */
+  if (proc_path != NULL)
+    {
+      char *proc_cpuinfo = alloca (strlen (proc_path) + sizeof ("/cpuinfo"));
+      __stpcpy (__stpcpy (proc_cpuinfo, proc_path), "/cpuinfo");
+
+      fp = fopen (proc_cpuinfo, "r");
+      if (fp != NULL)
+	{
+	  GET_NPROCS_CONF_PARSER (fp, buffer, result);
+	  fclose (fp);
+	}
+    }
+
+  return result;
+}
+#else
 /* As far as I know Linux has no separate numbers for configured and
    available processors.  So make the `get_nprocs_conf' function an
    alias.  */
 strong_alias (__get_nprocs, __get_nprocs_conf)
-weak_alias (__get_nprocs, get_nprocs_conf)
-
+#endif
+weak_alias (__get_nprocs_conf, get_nprocs_conf)
 
 /* General function to get information about memory status from proc
    filesystem.  */
diff --git a/sysdeps/unix/sysv/linux/sys/sysinfo.h b/sysdeps/unix/sysv/linux/sys/sysinfo.h
index dc435d6651..2c17cf2a69 100644
--- a/sysdeps/unix/sysv/linux/sys/sysinfo.h
+++ b/sysdeps/unix/sysv/linux/sys/sysinfo.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1999 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
@@ -31,20 +31,16 @@ extern int sysinfo __P ((struct sysinfo *__info));
 
 
 /* Return number of configured processors.  */
-extern int __get_nprocs_conf __P ((void));
 extern int get_nprocs_conf __P ((void));
 
 /* Return number of available processors.  */
-extern int __get_nprocs __P ((void));
 extern int get_nprocs __P ((void));
 
 
 /* Return number of physical pages of memory in the system.  */
-extern int __get_phys_pages __P ((void));
 extern int get_phys_pages __P ((void));
 
 /* Return number of available physical pages of memory in the system.  */
-extern int __get_avphys_pages __P ((void));
 extern int get_avphys_pages __P ((void));
 
 __END_DECLS