Import glibc-mainline for 2006-08-16

git-svn-id: svn://svn.eglibc.org/fsf/trunk@4 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 69 insertions, 0 deletions

diff --git a/libc/sysdeps/unix/sysv/linux/fcntl.c b/libc/sysdeps/unix/sysv/linux/fcntl.c
new file mode 100644
index 000000000..1f5aca14a
--- /dev/null
+++ b/libc/sysdeps/unix/sysv/linux/fcntl.c
@@ -0,0 +1,69 @@
+/* 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 (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)