| Message ID | 20200723194641.1949404-8-adhemerval.zanella@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | Add y2038 support for stat functions | expand |
On Thu, 23 Jul 2020 16:46:32 -0300 Adhemerval Zanella <adhemerval.zanella@linaro.org> wrote: > The __NR_mknodat syscall is supported on all kernels, so the generic > implementation is used as default. > > Checked on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de> > --- > sysdeps/unix/sysv/linux/generic/xmknod.c | 54 > ------------------------ sysdeps/unix/sysv/linux/xmknod.c | > 8 ++-- 2 files changed, 3 insertions(+), 59 deletions(-) > delete mode 100644 sysdeps/unix/sysv/linux/generic/xmknod.c > > diff --git a/sysdeps/unix/sysv/linux/generic/xmknod.c > b/sysdeps/unix/sysv/linux/generic/xmknod.c deleted file mode 100644 > index a51fcbee22..0000000000 > --- a/sysdeps/unix/sysv/linux/generic/xmknod.c > +++ /dev/null > @@ -1,54 +0,0 @@ > -/* 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 <fcntl.h> > -#include <sys/types.h> > -#include <sys/stat.h> > -#include <sys/sysmacros.h> > - > -#include <sysdep.h> > -#include <sys/syscall.h> > - > -/* Create a device file named PATH, with permission and special bits > MODE > - and device number DEV (which can be constructed from major and > minor > - device numbers with the `makedev' macro above). */ > -int > -__xmknod (int vers, const char *path, mode_t mode, dev_t *dev) > -{ > - unsigned long long int k_dev; > - > - if (vers != _MKNOD_VER) > - { > - __set_errno (EINVAL); > - return -1; > - } > - > - /* We must convert the value to dev_t type used by the kernel. */ > - k_dev = (*dev) & ((1ULL << 32) - 1); > - if (k_dev != *dev) > - { > - __set_errno (EINVAL); > - return -1; > - } > - > - return INLINE_SYSCALL (mknodat, 4, AT_FDCWD, path, mode, > - (unsigned int) k_dev); > -} > -weak_alias (__xmknod, _xmknod) > -libc_hidden_def (__xmknod) > diff --git a/sysdeps/unix/sysv/linux/xmknod.c > b/sysdeps/unix/sysv/linux/xmknod.c index 5d0ae97c34..42809d4c57 100644 > --- a/sysdeps/unix/sysv/linux/xmknod.c > +++ b/sysdeps/unix/sysv/linux/xmknod.c > @@ -16,13 +16,10 @@ > License along with the GNU C Library; if not, see > <https://www.gnu.org/licenses/>. */ > > -#include <errno.h> > -#include <sys/types.h> > #include <sys/stat.h> > #include <sys/sysmacros.h> > - > +#include <fcntl.h> > #include <sysdep.h> > -#include <sys/syscall.h> > > /* Create a device file named PATH, with permission and special bits > MODE and device number DEV (which can be constructed from major and > minor @@ -40,7 +37,8 @@ __xmknod (int vers, const char *path, mode_t > mode, dev_t *dev) if (k_dev != *dev) > return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); > > - return INLINE_SYSCALL (mknod, 3, path, mode, (unsigned int) k_dev); > + return INLINE_SYSCALL_CALL (mknodat, AT_FDCWD, path, mode, > + (unsigned int) k_dev); > } > > weak_alias (__xmknod, _xmknod) Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de
diff --git a/sysdeps/unix/sysv/linux/generic/xmknod.c b/sysdeps/unix/sysv/linux/generic/xmknod.c deleted file mode 100644 index a51fcbee22..0000000000 --- a/sysdeps/unix/sysv/linux/generic/xmknod.c +++ /dev/null @@ -1,54 +0,0 @@ -/* 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 <fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/sysmacros.h> - -#include <sysdep.h> -#include <sys/syscall.h> - -/* Create a device file named PATH, with permission and special bits MODE - and device number DEV (which can be constructed from major and minor - device numbers with the `makedev' macro above). */ -int -__xmknod (int vers, const char *path, mode_t mode, dev_t *dev) -{ - unsigned long long int k_dev; - - if (vers != _MKNOD_VER) - { - __set_errno (EINVAL); - return -1; - } - - /* We must convert the value to dev_t type used by the kernel. */ - k_dev = (*dev) & ((1ULL << 32) - 1); - if (k_dev != *dev) - { - __set_errno (EINVAL); - return -1; - } - - return INLINE_SYSCALL (mknodat, 4, AT_FDCWD, path, mode, - (unsigned int) k_dev); -} -weak_alias (__xmknod, _xmknod) -libc_hidden_def (__xmknod) diff --git a/sysdeps/unix/sysv/linux/xmknod.c b/sysdeps/unix/sysv/linux/xmknod.c index 5d0ae97c34..42809d4c57 100644 --- a/sysdeps/unix/sysv/linux/xmknod.c +++ b/sysdeps/unix/sysv/linux/xmknod.c @@ -16,13 +16,10 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <sys/types.h> #include <sys/stat.h> #include <sys/sysmacros.h> - +#include <fcntl.h> #include <sysdep.h> -#include <sys/syscall.h> /* Create a device file named PATH, with permission and special bits MODE and device number DEV (which can be constructed from major and minor @@ -40,7 +37,8 @@ __xmknod (int vers, const char *path, mode_t mode, dev_t *dev) if (k_dev != *dev) return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); - return INLINE_SYSCALL (mknod, 3, path, mode, (unsigned int) k_dev); + return INLINE_SYSCALL_CALL (mknodat, AT_FDCWD, path, mode, + (unsigned int) k_dev); } weak_alias (__xmknod, _xmknod)