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authorUros Majstorovic <majstor@majstor.org>2017-05-23 14:19:26 +0200
committerUros Majstorovic <majstor@majstor.org>2017-05-23 14:19:26 +0200
commit3ef6719f47b734b12c0b11c725b7f12e3fb3c08a (patch)
treea635ac65bfc72d126d97e48e22c38ac33343b4f4 /code/crypto/compat/arc4random_netbsd.h
parent922e8313f2b3f6157a61b3c867fdc3832bb92a68 (diff)
fs layout updated
Diffstat (limited to 'code/crypto/compat/arc4random_netbsd.h')
-rw-r--r--code/crypto/compat/arc4random_netbsd.h87
1 files changed, 0 insertions, 87 deletions
diff --git a/code/crypto/compat/arc4random_netbsd.h b/code/crypto/compat/arc4random_netbsd.h
deleted file mode 100644
index 611997d..0000000
--- a/code/crypto/compat/arc4random_netbsd.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/* $OpenBSD: arc4random_netbsd.h,v 1.3 2016/06/30 12:19:51 bcook Exp $ */
-
-/*
- * Copyright (c) 1996, David Mazieres <dm@uun.org>
- * Copyright (c) 2008, Damien Miller <djm@openbsd.org>
- * Copyright (c) 2013, Markus Friedl <markus@openbsd.org>
- * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
- * Stub functions for portability.
- */
-
-#include <sys/mman.h>
-
-#include <pthread.h>
-#include <signal.h>
-
-static pthread_mutex_t arc4random_mtx = PTHREAD_MUTEX_INITIALIZER;
-#define _ARC4_LOCK() pthread_mutex_lock(&arc4random_mtx)
-#define _ARC4_UNLOCK() pthread_mutex_unlock(&arc4random_mtx)
-
-/*
- * Unfortunately, pthread_atfork() is broken on FreeBSD (at least 9 and 10) if
- * a program does not link to -lthr. Callbacks registered with pthread_atfork()
- * appear to fail silently. So, it is not always possible to detect a PID
- * wraparound.
- */
-#define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f))
-
-static inline void
-_getentropy_fail(void)
-{
- raise(SIGKILL);
-}
-
-static volatile sig_atomic_t _rs_forked;
-
-static inline void
-_rs_forkhandler(void)
-{
- _rs_forked = 1;
-}
-
-static inline void
-_rs_forkdetect(void)
-{
- static pid_t _rs_pid = 0;
- pid_t pid = getpid();
-
- if (_rs_pid == 0 || _rs_pid != pid || _rs_forked) {
- _rs_pid = pid;
- _rs_forked = 0;
- if (rs)
- memset(rs, 0, sizeof(*rs));
- }
-}
-
-static inline int
-_rs_allocate(struct _rs **rsp, struct _rsx **rsxp)
-{
- if ((*rsp = mmap(NULL, sizeof(**rsp), PROT_READ|PROT_WRITE,
- MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED)
- return (-1);
-
- if ((*rsxp = mmap(NULL, sizeof(**rsxp), PROT_READ|PROT_WRITE,
- MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED) {
- munmap(*rsp, sizeof(**rsp));
- *rsp = NULL;
- return (-1);
- }
-
- _ARC4_ATFORK(_rs_forkhandler);
- return (0);
-}