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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/y2038] linux: Consolidate utimes Date: Thu, 30 Jul 2020 13:26:12 +0000 (GMT) [thread overview] Message-ID: <20200730132612.DEDC8382EBF2@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e859ba1201d3cf5b178de2eacee89b8918c926fc commit e859ba1201d3cf5b178de2eacee89b8918c926fc Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Thu Jul 9 16:35:28 2020 -0300 linux: Consolidate utimes The generic version does not have time64 support and Linux default uses utimensat. With hppa version gone, __ASSUME_UTIMES is not used anymore. Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15 kernel). Diff: --- sysdeps/unix/sysv/linux/generic/utimes.c | 46 -------------------------- sysdeps/unix/sysv/linux/hppa/kernel-features.h | 5 --- sysdeps/unix/sysv/linux/hppa/utimes.c | 30 ----------------- 3 files changed, 81 deletions(-) diff --git a/sysdeps/unix/sysv/linux/generic/utimes.c b/sysdeps/unix/sysv/linux/generic/utimes.c deleted file mode 100644 index 0a8100e1b8..0000000000 --- a/sysdeps/unix/sysv/linux/generic/utimes.c +++ /dev/null @@ -1,46 +0,0 @@ -/* utimes -- Change access and modification times of file. Linux version. - Copyright (C) 2011-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - 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 - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <stddef.h> -#include <utime.h> -#include <fcntl.h> -#include <sys/time.h> -#include <sysdep.h> - - -/* Change the access time of FILE to TVP[0] and - the modification time of FILE to TVP[1]. */ -int -__utimes (const char *file, const struct timeval tvp[2]) -{ - struct timespec ts[2]; - struct timespec *tsp = NULL; - - if (tvp) - { - TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]); - TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]); - tsp = &ts[0]; - } - - return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tsp, 0); -} - -weak_alias (__utimes, utimes) diff --git a/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/sysdeps/unix/sysv/linux/hppa/kernel-features.h index 8548b5c258..80eec02314 100644 --- a/sysdeps/unix/sysv/linux/hppa/kernel-features.h +++ b/sysdeps/unix/sysv/linux/hppa/kernel-features.h @@ -18,11 +18,6 @@ <https://www.gnu.org/licenses/>. */ -/* Support for the utimes syscall was added in 3.14. */ -#if __LINUX_KERNEL_VERSION >= 0x030e00 -# define __ASSUME_UTIMES 1 -#endif - #include_next <kernel-features.h> #define __ASSUME_RECV_SYSCALL 1 diff --git a/sysdeps/unix/sysv/linux/hppa/utimes.c b/sysdeps/unix/sysv/linux/hppa/utimes.c deleted file mode 100644 index a9c4a7ff45..0000000000 --- a/sysdeps/unix/sysv/linux/hppa/utimes.c +++ /dev/null @@ -1,30 +0,0 @@ -/* Implement utimes for hppa. - Copyright (C) 2014-2020 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, see - <https://www.gnu.org/licenses/>. */ - -/* hppa has the utimensat syscall in all supported kernel versions but - gained the utimes syscall later, so use the linux-generic - implementation of utimes in terms of the utimensat syscall unless - the utimes syscall is known to be available. */ - -#include <kernel-features.h> - -#ifdef __ASSUME_UTIMES -# include <sysdeps/unix/sysv/linux/utimes.c> -#else -# include <sysdeps/unix/sysv/linux/generic/utimes.c> -#endif
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