diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/ia64/has_cpuclock.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/ia64/has_cpuclock.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/has_cpuclock.c b/sysdeps/unix/sysv/linux/ia64/has_cpuclock.c deleted file mode 100644 index 39511cd2c5..0000000000 --- a/sysdeps/unix/sysv/linux/ia64/has_cpuclock.c +++ /dev/null @@ -1,52 +0,0 @@ -/* Copyright (C) 2000, 2001, 2003, 2004, 2005 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 <fcntl.h> -#include <unistd.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <not-cancel.h> - -static int itc_usable; - -static int -has_cpuclock (void) -{ - if (__builtin_expect (itc_usable == 0, 0)) - { - int newval = 1; - int fd = open_not_cancel_2 ("/proc/sal/itc_drift", O_RDONLY); - if (__builtin_expect (fd != -1, 1)) - { - char buf[16]; - /* We expect the file to contain a single digit followed by - a newline. If the format changes we better not rely on - the file content. */ - if (read_not_cancel (fd, buf, sizeof buf) != 2 - || buf[0] != '0' || buf[1] != '\n') - newval = -1; - - close_not_cancel_no_status (fd); - } - - itc_usable = newval; - } - - return itc_usable; -} |