-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2014 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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+#include <assert.h>
#include <errno.h>
+#include <sysdep-cancel.h> /* Must come before <fcntl.h>. */
#include <fcntl.h>
#include <stdarg.h>
-#include <sysdep.h>
#include <sys/syscall.h>
-#include "../kernel-features.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 (fcntl64, 3, fd, cmd, arg);
+}
+#endif /* NO_CANCELLATION */
int
__libc_fcntl (int fd, int cmd, ...)
{
va_list ap;
-#if __NR_fcntl64
- int result;
-#endif
void *arg;
va_start (ap, cmd);
arg = va_arg (ap, void *);
va_end (ap);
-#if __NR_fcntl64
- result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
+ if (SINGLE_THREAD_P || (cmd != F_SETLKW && cmd != F_SETLKW64))
+ return INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
-# if __ASSUME_FCNTL64 == 0
- if (result != -1 || errno != ENOSYS)
-# endif
- return result;
-#endif
+ int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
-#if __ASSUME_FCNTL64 == 0
- if (cmd == F_GETLK64 || cmd == F_SETLK64 || cmd == F_SETLKW64)
- {
- __set_errno (EINVAL);
- return -1;
- }
+ LIBC_CANCEL_RESET (oldtype);
- return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg);
-#endif
+ return result;
}
+libc_hidden_def (__libc_fcntl)
weak_alias (__libc_fcntl, __fcntl)
+libc_hidden_weak (__fcntl)
weak_alias (__libc_fcntl, fcntl)