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linux: Add generic ioctl implementation

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The powerpc is refactor to use the default implementation.
This commit is contained in:
Adhemerval Zanella
2021-11-19 16:58:52 -03:00
parent 00baddbb93
commit a329f68f2e
3 changed files with 85 additions and 31 deletions
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49
sysdeps/unix/sysv/linux/ioctl.c Normal file
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/* Control device. Linux generic implementation.
Copyright (C) 2021 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/>. */
#include <stdarg.h>
#include <sys/ioctl.h>
#include <sysdep.h>
#include <internal-ioctl.h>
int
__ioctl (int fd, unsigned long int request, ...)
{
va_list args;
va_start (args, request);
void *arg = va_arg (args, void *);
va_end (args);
int r;
if (!__ioctl_arch (&r, fd, request, arg))
{
r = INTERNAL_SYSCALL_CALL (ioctl, fd, request, arg);
if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (r)))
{
__set_errno (-r);
return -1;
}
}
return r;
}
libc_hidden_def (__ioctl)
weak_alias (__ioctl, ioctl)
#if __TIMESIZE != 64
strong_alias (__ioctl, __ioctl_time64)
#endif