| /* vi: set sw=4 ts=4: */ |
| /* |
| * ioctl() for uClibc |
| * |
| * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> |
| * |
| * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| */ |
| |
| #include <sys/syscall.h> |
| #include <stdarg.h> |
| #include <sys/ioctl.h> |
| |
| #ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| #include <sysdep-cancel.h> |
| #else |
| #define SINGLE_THREAD_P 1 |
| #endif |
| |
| libc_hidden_proto(ioctl) |
| |
| #define __NR___syscall_ioctl __NR_ioctl |
| static __always_inline |
| _syscall3(int, __syscall_ioctl, int, fd, unsigned long int, request, void *, arg) |
| |
| int ioctl(int fd, unsigned long int request, ...) |
| { |
| void *arg; |
| va_list list; |
| |
| va_start(list, request); |
| arg = va_arg(list, void *); |
| |
| va_end(list); |
| |
| if (SINGLE_THREAD_P) |
| return __syscall_ioctl(fd, request, arg); |
| |
| #ifdef __UCLIBC_HAS_THREADS_NATIVE__ |
| int oldtype = LIBC_CANCEL_ASYNC (); |
| int result = __syscall_ioctl(fd, request, arg); |
| LIBC_CANCEL_RESET (oldtype); |
| return result; |
| #endif |
| } |
| libc_hidden_def(ioctl) |