diff options
Diffstat (limited to 'src/lib/libcrypto/arc4random/arc4random_win.h')
-rw-r--r-- | src/lib/libcrypto/arc4random/arc4random_win.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/lib/libcrypto/arc4random/arc4random_win.h b/src/lib/libcrypto/arc4random/arc4random_win.h deleted file mode 100644 index 48a1bda128..0000000000 --- a/src/lib/libcrypto/arc4random/arc4random_win.h +++ /dev/null | |||
@@ -1,75 +0,0 @@ | |||
1 | /* $OpenBSD: arc4random_win.h,v 1.5 2015/01/15 06:57:18 deraadt Exp $ */ | ||
2 | |||
3 | /* | ||
4 | * Copyright (c) 1996, David Mazieres <dm@uun.org> | ||
5 | * Copyright (c) 2008, Damien Miller <djm@openbsd.org> | ||
6 | * Copyright (c) 2013, Markus Friedl <markus@openbsd.org> | ||
7 | * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org> | ||
8 | * | ||
9 | * Permission to use, copy, modify, and distribute this software for any | ||
10 | * purpose with or without fee is hereby granted, provided that the above | ||
11 | * copyright notice and this permission notice appear in all copies. | ||
12 | * | ||
13 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
14 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
15 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
16 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
17 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
18 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
19 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
20 | */ | ||
21 | |||
22 | /* | ||
23 | * Stub functions for portability. | ||
24 | */ | ||
25 | |||
26 | #include <windows.h> | ||
27 | |||
28 | static volatile HANDLE arc4random_mtx = NULL; | ||
29 | |||
30 | /* | ||
31 | * Initialize the mutex on the first lock attempt. On collision, each thread | ||
32 | * will attempt to allocate a mutex and compare-and-swap it into place as the | ||
33 | * global mutex. On failure to swap in the global mutex, the mutex is closed. | ||
34 | */ | ||
35 | #define _ARC4_LOCK() { \ | ||
36 | if (!arc4random_mtx) { \ | ||
37 | HANDLE p = CreateMutex(NULL, FALSE, NULL); \ | ||
38 | if (InterlockedCompareExchangePointer((void **)&arc4random_mtx, (void *)p, NULL)) \ | ||
39 | CloseHandle(p); \ | ||
40 | } \ | ||
41 | WaitForSingleObject(arc4random_mtx, INFINITE); \ | ||
42 | } \ | ||
43 | |||
44 | #define _ARC4_UNLOCK() ReleaseMutex(arc4random_mtx) | ||
45 | |||
46 | static inline void | ||
47 | _getentropy_fail(void) | ||
48 | { | ||
49 | TerminateProcess(GetCurrentProcess(), 0); | ||
50 | } | ||
51 | |||
52 | static inline int | ||
53 | _rs_allocate(struct _rs **rsp, struct _rsx **rsxp) | ||
54 | { | ||
55 | *rsp = calloc(1, sizeof(**rsp)); | ||
56 | if (*rsp == NULL) | ||
57 | return (-1); | ||
58 | |||
59 | *rsxp = calloc(1, sizeof(**rsxp)); | ||
60 | if (*rsxp == NULL) { | ||
61 | free(*rsp); | ||
62 | return (-1); | ||
63 | } | ||
64 | return (0); | ||
65 | } | ||
66 | |||
67 | static inline void | ||
68 | _rs_forkhandler(void) | ||
69 | { | ||
70 | } | ||
71 | |||
72 | static inline void | ||
73 | _rs_forkdetect(void) | ||
74 | { | ||
75 | } | ||