1 files changed, 0 insertions, 330 deletions
diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c
deleted file mode 100644
index 63e41100eb..0000000000
--- a/sysdeps/unix/sysv/linux/getsysstats.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/* Determine various system internal values, Linux version.
-   Copyright (C) 1996-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <alloca.h>
-#include <assert.h>
-#include <ctype.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <mntent.h>
-#include <paths.h>
-#include <stdio.h>
-#include <stdio_ext.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/sysinfo.h>
-
-#include <atomic.h>
-#include <not-cancel.h>
-
-
-/* How we can determine the number of available processors depends on
-   the configuration.  There is currently (as of version 2.0.21) no
-   system call to determine the number.  It is planned for the 2.1.x
-   series to add this, though.
-
-   One possibility to implement it for systems using Linux 2.0 is to
-   examine the pseudo file /proc/cpuinfo.  Here we have one entry for
-   each processor.
-
-   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(FD, BUFFER, CP, RE, BUFFER_END, 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.  */							\
-      char *l;								\
-      while ((l = next_line (FD, BUFFER, &CP, &RE, BUFFER_END)) != NULL) \
-	if (strncmp (l, "processor", 9) == 0)				\
-	  ++(RESULT);							\
-    }									\
-  while (0)
-#endif
-
-
-static char *
-next_line (int fd, char *const buffer, char **cp, char **re,
-	   char *const buffer_end)
-{
-  char *res = *cp;
-  char *nl = memchr (*cp, '\n', *re - *cp);
-  if (nl == NULL)
-    {
-      if (*cp != buffer)
-	{
-	  if (*re == buffer_end)
-	    {
-	      memmove (buffer, *cp, *re - *cp);
-	      *re = buffer + (*re - *cp);
-	      *cp = buffer;
-
-	      ssize_t n = read_not_cancel (fd, *re, buffer_end - *re);
-	      if (n < 0)
-		return NULL;
-
-	      *re += n;
-
-	      nl = memchr (*cp, '\n', *re - *cp);
-	      while (nl == NULL && *re == buffer_end)
-		{
-		  /* Truncate too long lines.  */
-		  *re = buffer + 3 * (buffer_end - buffer) / 4;
-		  n = read_not_cancel (fd, *re, buffer_end - *re);
-		  if (n < 0)
-		    return NULL;
-
-		  nl = memchr (*re, '\n', n);
-		  **re = '\n';
-		  *re += n;
-		}
-	    }
-	  else
-	    nl = memchr (*cp, '\n', *re - *cp);
-
-	  res = *cp;
-	}
-
-      if (nl == NULL)
-	nl = *re - 1;
-    }
-
-  *cp = nl + 1;
-  assert (*cp <= *re);
-
-  return res == *re ? NULL : res;
-}
-
-
-int
-__get_nprocs (void)
-{
-  static int cached_result = -1;
-  static time_t timestamp;
-
-  time_t now = time (NULL);
-  time_t prev = timestamp;
-  atomic_read_barrier ();
-  if (now == prev && cached_result > -1)
-    return cached_result;
-
-  /* XXX Here will come a test for the new system call.  */
-
-  const size_t buffer_size = __libc_use_alloca (8192) ? 8192 : 512;
-  char *buffer = alloca (buffer_size);
-  char *buffer_end = buffer + buffer_size;
-  char *cp = buffer_end;
-  char *re = buffer_end;
-
-  const int flags = O_RDONLY | O_CLOEXEC;
-  int fd = open_not_cancel_2 ("/sys/devices/system/cpu/online", flags);
-  char *l;
-  int result = 0;
-  if (fd != -1)
-    {
-      l = next_line (fd, buffer, &cp, &re, buffer_end);
-      if (l != NULL)
-	do
-	  {
-	    char *endp;
-	    unsigned long int n = strtoul (l, &endp, 10);
-	    if (l == endp)
-	      {
-		result = 0;
-		break;
-	      }
-
-	    unsigned long int m = n;
-	    if (*endp == '-')
-	      {
-		l = endp + 1;
-		m = strtoul (l, &endp, 10);
-		if (l == endp)
-		  {
-		    result = 0;
-		    break;
-		  }
-	      }
-
-	    result += m - n + 1;
-
-	    l = endp;
-	    while (l < re && isspace (*l))
-	      ++l;
-	  }
-	while (l < re);
-
-      close_not_cancel_no_status (fd);
-
-      if (result > 0)
-	goto out;
-    }
-
-  cp = buffer_end;
-  re = buffer_end;
-  result = 1;
-
-  /* The /proc/stat format is more uniform, use it by default.  */
-  fd = open_not_cancel_2 ("/proc/stat", flags);
-  if (fd != -1)
-    {
-      result = 0;
-
-      while ((l = next_line (fd, buffer, &cp, &re, buffer_end)) != NULL)
-	/* The current format of /proc/stat has all the cpu* entries
-	   at the front.  We assume here that stays this way.  */
-	if (strncmp (l, "cpu", 3) != 0)
-	  break;
-	else if (isdigit (l[3]))
-	  ++result;
-
-      close_not_cancel_no_status (fd);
-    }
-  else
-    {
-      fd = open_not_cancel_2 ("/proc/cpuinfo", flags);
-      if (fd != -1)
-	{
-	  GET_NPROCS_PARSER (fd, buffer, cp, re, buffer_end, result);
-	  close_not_cancel_no_status (fd);
-	}
-    }
-
- out:
-  cached_result = result;
-  atomic_write_barrier ();
-  timestamp = now;
-
-  return result;
-}
-weak_alias (__get_nprocs, get_nprocs)
-
-
-/* On some architectures it is possible to distinguish between configured
-   and active cpus.  */
-int
-__get_nprocs_conf (void)
-{
-  /* XXX Here will come a test for the new system call.  */
-
-  /* Try to use the sysfs filesystem.  It has actual information about
-     online processors.  */
-  DIR *dir = __opendir ("/sys/devices/system/cpu");
-  if (dir != NULL)
-    {
-      int count = 0;
-      struct dirent64 *d;
-
-      while ((d = __readdir64 (dir)) != NULL)
-	/* NB: the sysfs has d_type support.  */
-	if (d->d_type == DT_DIR && strncmp (d->d_name, "cpu", 3) == 0)
-	  {
-	    char *endp;
-	    unsigned long int nr = strtoul (d->d_name + 3, &endp, 10);
-	    if (nr != ULONG_MAX && endp != d->d_name + 3 && *endp == '\0')
-	      ++count;
-	  }
-
-      __closedir (dir);
-
-      return count;
-    }
-
-  int result = 1;
-
-#ifdef GET_NPROCS_CONF_PARSER
-  /* If we haven't found an appropriate entry return 1.  */
-  FILE *fp = fopen ("/proc/cpuinfo", "rce");
-  if (fp != NULL)
-    {
-      char buffer[8192];
-
-      /* No threads use this stream.  */
-      __fsetlocking (fp, FSETLOCKING_BYCALLER);
-      GET_NPROCS_CONF_PARSER (fp, buffer, result);
-      fclose (fp);
-    }
-#else
-  result = __get_nprocs ();
-#endif
-
-  return result;
-}
-weak_alias (__get_nprocs_conf, get_nprocs_conf)
-
-
-/* Compute (num*mem_unit)/pagesize, but avoid overflowing long int.
-   In practice, mem_unit is never bigger than the page size, so after
-   the first loop it is 1.  [In the kernel, it is initialized to
-   PAGE_SIZE in mm/page_alloc.c:si_meminfo(), and then in
-   kernel.sys.c:do_sysinfo() it is set to 1 if unsigned long can
-   represent all the sizes measured in bytes].  */
-static long int
-sysinfo_mempages (unsigned long int num, unsigned int mem_unit)
-{
-  unsigned long int ps = __getpagesize ();
-
-  while (mem_unit > 1 && ps > 1)
-    {
-      mem_unit >>= 1;
-      ps >>= 1;
-    }
-  num *= mem_unit;
-  while (ps > 1)
-    {
-      ps >>= 1;
-      num >>= 1;
-    }
-  return num;
-}
-
-/* Return the number of pages of total/available physical memory in
-   the system.  This used to be done by parsing /proc/meminfo, but
-   that's unnecessarily expensive (and /proc is not always available).
-   The sysinfo syscall provides the same information, and has been
-   available at least since kernel 2.3.48.  */
-long int
-__get_phys_pages (void)
-{
-  struct sysinfo info;
-
-  __sysinfo (&info);
-  return sysinfo_mempages (info.totalram, info.mem_unit);
-}
-weak_alias (__get_phys_pages, get_phys_pages)
-
-long int
-__get_avphys_pages (void)
-{
-  struct sysinfo info;
-
-  __sysinfo (&info);
-  return sysinfo_mempages (info.freeram, info.mem_unit);
-}
-weak_alias (__get_avphys_pages, get_avphys_pages)