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