--- Libc/Libc-1725.40.4/stdio/FreeBSD/flockfile.3
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@@ -1,105 +0,0 @@
-.\" Copyright (c) 2003 Tim J. Robbins
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" $FreeBSD: src/lib/libc/stdio/flockfile.3,v 1.3 2003/01/13 01:29:14 tjr Exp $
-.\"
-.Dd January 10, 2003
-.Dt FLOCKFILE 3
-.Os
-.Sh NAME
-.Nm flockfile ,
-.Nm ftrylockfile ,
-.Nm funlockfile
-.Nd "stdio locking functions"
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In stdio.h
-.Ft void
-.Fn flockfile "FILE *file"
-.Ft int
-.Fn ftrylockfile "FILE *file"
-.Ft void
-.Fn funlockfile "FILE *file"
-.Sh DESCRIPTION
-These functions provide explicit application-level locking
-of stdio FILE objects.
-They can be used to avoid output from multiple threads being interspersed,
-input being dispersed among multiple readers, and to avoid the overhead
-of locking the object for each operation.
-.Pp
-The
-.Fn flockfile
-function acquires an exclusive lock on the specified object.
-If another thread has already locked the object,
-.Fn flockfile
-will block until the lock is released.
-.Pp
-The
-.Fn ftrylockfile
-function is a non-blocking version of
-.Fn flockfile ;
-if the lock cannot be acquired immediately,
-.Fn ftrylockfile
-returns non-zero instead of blocking.
-.Pp
-The
-.Fn funlockfile
-function releases the lock on an object acquired by an earlier call to
-.Fn flockfile
-or
-.Fn ftrylockfile .
-.Pp
-These functions behave as if there is a lock count associated
-with each object.
-Each time
-.Fn flockfile
-is called on the object, the count is incremented,
-and each time
-.Fn funlockfile
-is called on the object, the count is decremented.
-The lock is only actually released when the count reaches zero.
-.Sh RETURN VALUES
-The
-.Fn flockfile
-and
-.Fn funlockfile
-functions return no value.
-.Pp
-The
-.Fn ftrylockfile
-function
-returns zero if the object was successfully locked,
-non-zero otherwise.
-.Sh SEE ALSO
-.Xr getc_unlocked 3 ,
-.Xr putc_unlocked 3
-.Sh STANDARDS
-The
-.Fn flockfile ,
-.Fn ftrylockfile ,
-and
-.Fn funlockfile
-functions conform to
-.St -p1003.1-2001 .