GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/crypt/arc4random.h Lines: 8 12 66.7 %
Date: 2017-11-13 Branches: 2 4 50.0 %

Line Branch Exec Source
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/*	$OpenBSD: arc4random.h,v 1.4 2015/01/15 06:57:18 deraadt Exp $	*/
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/*
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 * Copyright (c) 1996, David Mazieres <dm@uun.org>
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 * Copyright (c) 2008, Damien Miller <djm@openbsd.org>
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 * Copyright (c) 2013, Markus Friedl <markus@openbsd.org>
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 * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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/*
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 * Stub functions for portability.
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 */
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#include <sys/mman.h>
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#include <signal.h>
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#include "thread_private.h"
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static inline void
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_getentropy_fail(void)
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{
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	raise(SIGKILL);
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}
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static inline int
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_rs_allocate(struct _rs **rsp, struct _rsx **rsxp)
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{
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	struct {
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		struct _rs rs;
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		struct _rsx rsx;
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	} *p;
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	if ((p = mmap(NULL, sizeof(*p), PROT_READ|PROT_WRITE,
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	    MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED)
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		return (-1);
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	if (minherit(p, sizeof(*p), MAP_INHERIT_ZERO) == -1) {
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		munmap(p, sizeof(*p));
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		return (-1);
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	}
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	*rsp = &p->rs;
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	*rsxp = &p->rsx;
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	return (0);
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}
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static inline void
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_rs_forkdetect(void)
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{
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}