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glibc  2.9
futimens.c
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00001 /* Change access and modification times of open file.  Linux version.
00002    Copyright (C) 2007 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include <fcntl.h>
00022 #include <string.h>
00023 #include <time.h>
00024 #include <sysdep.h>
00025 
00026 
00027 /* Change the access time of the file associated with FD to TSP[0] and
00028    the modification time of FILE to TSP[1].
00029 
00030    Starting with 2.6.22 the Linux kernel has the utimensat syscall which
00031    can be used to implement futimens.  */
00032 int
00033 futimens (int fd, const struct timespec tsp[2])
00034 {
00035 #ifdef __NR_utimensat
00036   return INLINE_SYSCALL (utimensat, 4, fd, NULL, tsp, 0);
00037 #else
00038   __set_errno (ENOSYS);
00039   return -1;
00040 #endif
00041 }
00042 #ifndef __NR_utimensat
00043 stub_warning (futimens)
00044 # include <stub-tag.h>
00045 #endif