From d56c8fa8260d226f98b26f017b45b9c2b135f38d Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Wed, 18 Aug 2021 16:06:57 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20210818'. --- src/lib/libc/stdlib/atexit.3 | 97 -------------------------------------------- 1 file changed, 97 deletions(-) delete mode 100644 src/lib/libc/stdlib/atexit.3 (limited to 'src/lib/libc/stdlib/atexit.3') diff --git a/src/lib/libc/stdlib/atexit.3 b/src/lib/libc/stdlib/atexit.3 deleted file mode 100644 index a95a45b92e..0000000000 --- a/src/lib/libc/stdlib/atexit.3 +++ /dev/null @@ -1,97 +0,0 @@ -.\" Copyright (c) 1990, 1991 The Regents of the University of California. -.\" All rights reserved. -.\" -.\" This code is derived from software contributed to Berkeley by -.\" Chris Torek and the American National Standards Committee X3, -.\" on Information Processing Systems. -.\" -.\" 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. -.\" 3. Neither the name of the University nor the names of its contributors -.\" may be used to endorse or promote products derived from this software -.\" without specific prior written permission. -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. -.\" -.\" $OpenBSD: atexit.3,v 1.12 2019/06/27 16:30:39 schwarze Exp $ -.\" -.Dd $Mdocdate: June 27 2019 $ -.Dt ATEXIT 3 -.Os -.Sh NAME -.Nm atexit -.Nd register a function to be called on exit -.Sh SYNOPSIS -.In stdlib.h -.Ft int -.Fn atexit "void (*function)(void)" -.Sh DESCRIPTION -The -.Fn atexit -function registers the given -.Fa function -to be called at program exit, whether via -.Xr exit 3 -or via return from the program's -.Fn main . -Functions so registered are called in reverse order; -no arguments are passed. -At least 32 functions can always be registered, -and more are allowed as long as sufficient memory can be allocated. -.Pp -If a shared object is unloaded from process memory using -.Xr dlclose 3 , -then any functions registered by calling -.Fn atexit -from that shared object will be called in reverse order and unregistered. -Note that it is the source of the call to -.Fn atexit -that matters, not the source of the function that was registered. -.Pp -.Fn atexit -is very difficult to use correctly without creating -.Xr exit 3 Ns -time -races. -Unless absolutely necessary, please avoid using it. -.Sh RETURN VALUES -The -.Nm -function returns the value 0 if successful; otherwise a non-zero -value is returned and the global variable -.Va errno -is set to indicate the error. -.Sh ERRORS -.Bl -tag -width Er -.It Bq Er ENOMEM -No memory was available to add the function to the list. -The existing list of functions is unmodified. -.El -.Sh SEE ALSO -.Xr dlclose 3 , -.Xr exit 3 -.Sh STANDARDS -The -.Fn atexit -function conforms to -.St -ansiC . -.Pp -Setting -.Va errno -on error and the behavior when a shared object is unloaded -are extensions to that standard. -- cgit v1.2.3-55-g6feb