| /* Copyright (C) 2000, 2002, 2003, 2004 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <assert.h> |
| #include <errno.h> |
| #include <sysdep-cancel.h> /* Must come before <fcntl.h>. */ |
| #include <fcntl.h> |
| #include <stdarg.h> |
| |
| #include <sys/syscall.h> |
| |
| |
| #ifndef NO_CANCELLATION |
| int |
| __fcntl_nocancel (int fd, int cmd, ...) |
| { |
| va_list ap; |
| void *arg; |
| |
| va_start (ap, cmd); |
| arg = va_arg (ap, void *); |
| va_end (ap); |
| |
| return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); |
| } |
| #endif |
| |
| |
| int |
| __libc_fcntl (int fd, int cmd, ...) |
| { |
| va_list ap; |
| void *arg; |
| |
| va_start (ap, cmd); |
| arg = va_arg (ap, void *); |
| va_end (ap); |
| |
| if (cmd >= F_GETLK64 && cmd <= F_SETLKW64) |
| cmd -= F_GETLK64 - F_GETLK; |
| |
| if (SINGLE_THREAD_P || cmd != F_SETLKW) |
| return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); |
| |
| int oldtype = LIBC_CANCEL_ASYNC (); |
| |
| int result = INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); |
| |
| LIBC_CANCEL_RESET (oldtype); |
| |
| return result; |
| } |
| libc_hidden_def (__libc_fcntl) |
| |
| weak_alias (__libc_fcntl, __fcntl) |
| libc_hidden_weak (__fcntl) |
| weak_alias (__libc_fcntl, fcntl) |