mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-29 19:48:25 -05:00
57 lines
1.8 KiB
C
Executable File
57 lines
1.8 KiB
C
Executable File
/* $OpenBSD: crypto_lock.c,v 1.1 2018/11/11 06:41:28 bcook Exp $ */
|
|
/*
|
|
* Copyright (c) 2019 Brent Cook <bcook@openbsd.org>
|
|
* Copyright (c) 2019 John Norrbin <jlnorrbin@johnex.se>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <windows.h>
|
|
|
|
#include <openssl/crypto.h>
|
|
|
|
static volatile LPCRITICAL_SECTION locks[CRYPTO_NUM_LOCKS] = { NULL };
|
|
|
|
void
|
|
CRYPTO_lock(int mode, int type, const char *file, int line)
|
|
{
|
|
if (type < 0 || type >= CRYPTO_NUM_LOCKS)
|
|
return;
|
|
|
|
if (locks[type] == NULL) {
|
|
LPCRITICAL_SECTION lcs = malloc(sizeof(CRITICAL_SECTION));
|
|
if (lcs == NULL) exit(ENOMEM);
|
|
InitializeCriticalSection(lcs);
|
|
if (InterlockedCompareExchangePointer((PVOID*)&locks[type], (PVOID)lcs, NULL) != NULL) {
|
|
DeleteCriticalSection(lcs);
|
|
free(lcs);
|
|
}
|
|
}
|
|
|
|
if (mode & CRYPTO_LOCK)
|
|
EnterCriticalSection(locks[type]);
|
|
else
|
|
LeaveCriticalSection(locks[type]);
|
|
}
|
|
|
|
int
|
|
CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
|
|
int line)
|
|
{
|
|
/*
|
|
* Windows is LLP64. sizeof(LONG) == sizeof(int) on 32-bit and 64-bit.
|
|
*/
|
|
int ret = InterlockedExchangeAdd((LONG *)pointer, (LONG)amount);
|
|
return ret + amount;
|
|
}
|