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Diffstat (limited to '')
| -rw-r--r-- | atomicio.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/atomicio.h b/atomicio.h new file mode 100644 index 0000000..8b3cc6e --- /dev/null +++ b/atomicio.h @@ -0,0 +1,53 @@ +/* $OpenBSD: atomicio.h,v 1.12 2018/12/27 03:25:25 djm Exp $ */ + +/* + * Copyright (c) 2006 Damien Miller. All rights reserved. + * Copyright (c) 1995,1999 Theo de Raadt. All rights reserved. + * 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 ``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 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. + */ + +#ifndef _ATOMICIO_H +#define _ATOMICIO_H + +struct iovec; + +/* + * Ensure all of data on socket comes through. f==read || f==vwrite + */ +size_t +atomicio6(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n, + int (*cb)(void *, size_t), void *); +size_t atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t); + +#define vwrite (ssize_t (*)(int, void *, size_t))write + +/* + * ensure all of data on socket comes through. f==readv || f==writev + */ +size_t +atomiciov6(ssize_t (*f) (int, const struct iovec *, int), int fd, + const struct iovec *_iov, int iovcnt, int (*cb)(void *, size_t), void *); +size_t atomiciov(ssize_t (*)(int, const struct iovec *, int), + int, const struct iovec *, int); + +#endif /* _ATOMICIO_H */ |