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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "fmutex.h"
#include "fpkmem.h"
#include <stdio.h>
typedef struct PKMutexFunctions {
CK_CREATEMUTEX CreateMutex;
CK_DESTROYMUTEX DestroyMutex;
CK_LOCKMUTEX LockMutex;
CK_UNLOCKMUTEX UnlockMutex;
int useMutex;
} PKMutexFunctions;
static PKMutexFunctions gMutex = {NULL, NULL, NULL, NULL, 0};
static int gInit = 0;
#define FMUTEX_CHECKS() \
if (gInit == 0) { \
return CKR_GENERAL_ERROR; \
} \
if (!gMutex.useMutex) { \
return CKR_GENERAL_ERROR; \
}
CK_RV FMUTEX_Init(CK_C_INITIALIZE_ARGS_PTR pArgs) {
if (gInit != 0) {
return CKR_GENERAL_ERROR;
}
if (pArgs && pArgs->CreateMutex && pArgs->DestroyMutex &&
pArgs->LockMutex && pArgs->UnlockMutex) {
gMutex.CreateMutex = pArgs->CreateMutex;
gMutex.DestroyMutex = pArgs->DestroyMutex;
gMutex.LockMutex = pArgs->LockMutex;
gMutex.UnlockMutex = pArgs->UnlockMutex;
gMutex.useMutex = 1;
gInit = 1;
} else {
gInit = 0;
return CKR_GENERAL_ERROR;
}
return CKR_OK;
}
CK_RV FMUTEX_Create(CK_VOID_PTR_PTR pMutex) {
CK_RV rv;
FMUTEX_CHECKS()
rv = gMutex.CreateMutex(pMutex);
return rv;
}
CK_RV FMUTEX_Destroy(CK_VOID_PTR pMutex) {
CK_RV rv;
FMUTEX_CHECKS()
rv = gMutex.DestroyMutex(pMutex);
return rv;
}
CK_RV FMUTEX_Lock(CK_VOID_PTR pMutex) {
CK_RV rv;
FMUTEX_CHECKS()
rv = gMutex.LockMutex(pMutex);
return rv;
}
CK_RV FMUTEX_Unlock(CK_VOID_PTR pMutex) {
CK_RV rv;
FMUTEX_CHECKS()
rv = gMutex.UnlockMutex(pMutex);
return rv;
}
int FMUTEX_MutexEnabled (void) {
return gMutex.useMutex;
}
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