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authorUlrich Drepper <drepper@redhat.com>2007-05-10 21:44:41 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-10 21:44:41 +0000
commitc27d2078135ca3df129850f87598660252d6906a (patch)
treeedddcd9deaea803af9290a6bb8b78fd290a5708b /sysdeps/unix/sysv/linux/futimens.c
parent00afb11fc0a9282d7e2cbc51cd1c65bf1b79a5ae (diff)
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* sysdeps/unix/sysv/linux/powerpc/bits/stat.h: Define UTIME_NOW and
UTIME_OMIT. * sysdeps/unix/sysv/linux/x86_64/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/s390/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_UTIMENSAT. * io/sys/stat.h: Declare utimensat, futimens. * io/utimensat.c: New file. * io/futimens.c: New file. * sysdeps/unix/sysv/linux/utimensat.c: New file. * sysdeps/unix/sysv/linux/futimens.c: New file. * io/Makefile (routines): Add utimensat, futimens. * io/Versions: Add utimensat, futimens to GLIBC_2.6. * sysdeps/unix/sysv/linux/lutimes.c: New file. * sysdeps/unix/sysv/linux/futimes.c: Use utimensat syscall if available. * include/sys/cdefs.h: Redefine __nonnull so that test for incorrect parameters in the libc code itself are not omitted.
Diffstat (limited to 'sysdeps/unix/sysv/linux/futimens.c')
-rw-r--r--sysdeps/unix/sysv/linux/futimens.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/futimens.c b/sysdeps/unix/sysv/linux/futimens.c
new file mode 100644
index 0000000000..67f2588f86
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/futimens.c
@@ -0,0 +1,45 @@
+/* Change access and modification times of open file. Linux version.
+ Copyright (C) 2007 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 <string.h>
+#include <time.h>
+#include <sysdep.h>
+
+
+/* Change the access time of the file associated with FD to TSP[0] and
+ the modification time of FILE to TSP[1].
+
+ Starting with 2.6.22 the Linux kernel has the utimensat syscall which
+ can be used to implement futimens. */
+int
+futimens (int fd, const struct timespec tsp[2])
+{
+#ifdef __NR_utimensat
+ return INLINE_SYSCALL (utimensat, 4, fd, NULL, tsp, 0);
+#else
+ __set_errno (ENOSYS);
+ return -1;
+#endif
+}
+#ifndef __NR_utimensat
+stub_warning (futimens)
+# include <stub-tag.h>
+#endif