linux: Add generic ioctl implementation

The powerpc is refactor to use the default implementation.

1 files changed, 49 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/ioctl.c b/sysdeps/unix/sysv/linux/ioctl.c
new file mode 100644
index 0000000000..c4855d6302
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ioctl.c
@@ -0,0 +1,49 @@
+/* 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