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Diffstat (limited to 'security/nss/lib/ckfw/mutex.c')
| -rw-r--r-- | security/nss/lib/ckfw/mutex.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/security/nss/lib/ckfw/mutex.c b/security/nss/lib/ckfw/mutex.c deleted file mode 100644 index e4c363f31..000000000 --- a/security/nss/lib/ckfw/mutex.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * 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 Netscape are - * Copyright (C) 1994-2000 Netscape Communications Corporation. All - * Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the - * terms of the GNU General Public License Version 2 or later (the - * "GPL"), in which case the provisions of the GPL are applicable - * instead of those above. If you wish to allow use of your - * version of this file only under the terms of the GPL and not to - * allow others to use your version of this file under the MPL, - * indicate your decision by deleting the provisions above and - * replace them with the notice and other provisions required by - * the GPL. If you do not delete the provisions above, a recipient - * may use your version of this file under either the MPL or the - * GPL. - */ - -#ifdef DEBUG -static const char CVS_ID[] = "@(#) $RCSfile$ $Revision$ $Date$ $Name$"; -#endif /* DEBUG */ - -/* - * mutex.c - * - * This file implements a mutual-exclusion locking facility for Modules - * using the NSS Cryptoki Framework. - */ - -#ifndef CK_T -#include "ck.h" -#endif /* CK_T */ - -/* - * NSSCKFWMutex - * - * NSSCKFWMutex_Destroy - * NSSCKFWMutex_Lock - * NSSCKFWMutex_Unlock - * - * nssCKFWMutex_Create - * nssCKFWMutex_Destroy - * nssCKFWMutex_Lock - * nssCKFWMutex_Unlock - * - * -- debugging versions only -- - * nssCKFWMutex_verifyPointer - * - */ - -struct NSSCKFWMutexStr { - CK_VOID_PTR etc; - - CK_DESTROYMUTEX Destroy; - CK_LOCKMUTEX Lock; - CK_UNLOCKMUTEX Unlock; -}; - -#ifdef DEBUG -/* - * But first, the pointer-tracking stuff. - * - * NOTE: the pointer-tracking support in NSS/base currently relies - * upon NSPR's CallOnce support. That, however, relies upon NSPR's - * locking, which is tied into the runtime. We need a pointer-tracker - * implementation that uses the locks supplied through C_Initialize. - * That support, however, can be filled in later. So for now, I'll - * just do this routines as no-ops. - */ - -static CK_RV -mutex_add_pointer -( - const NSSCKFWMutex *fwMutex -) -{ - return CKR_OK; -} - -static CK_RV -mutex_remove_pointer -( - const NSSCKFWMutex *fwMutex -) -{ - return CKR_OK; -} - -NSS_IMPLEMENT CK_RV -nssCKFWMutex_verifyPointer -( - const NSSCKFWMutex *fwMutex -) -{ - return CKR_OK; -} - -#endif /* DEBUG */ - -static CK_RV -mutex_noop -( - CK_VOID_PTR pMutex -) -{ - return CKR_OK; -} - -/* - * nssCKFWMutex_Create - * - */ -NSS_EXTERN NSSCKFWMutex * -nssCKFWMutex_Create -( - CK_C_INITIALIZE_ARGS_PTR pInitArgs, - NSSArena *arena, - CK_RV *pError -) -{ - NSSCKFWMutex *mutex; - CK_ULONG count = (CK_ULONG)0; - CK_BBOOL os_ok = CK_FALSE; - CK_VOID_PTR pMutex = (CK_VOID_PTR)NULL; - - if( (CK_C_INITIALIZE_ARGS_PTR)NULL != pInitArgs ) { - if( (CK_CREATEMUTEX )NULL != pInitArgs->CreateMutex ) count++; - if( (CK_DESTROYMUTEX)NULL != pInitArgs->DestroyMutex ) count++; - if( (CK_LOCKMUTEX )NULL != pInitArgs->LockMutex ) count++; - if( (CK_UNLOCKMUTEX )NULL != pInitArgs->UnlockMutex ) count++; - os_ok = (pInitArgs->flags & CKF_OS_LOCKING_OK) ? CK_TRUE : CK_FALSE; - - if( (0 != count) && (4 != count) ) { - *pError = CKR_ARGUMENTS_BAD; - return (NSSCKFWMutex *)NULL; - } - } - - if( (0 == count) && (CK_TRUE == os_ok) ) { - /* - * This is case #2 in the description of C_Initialize: - * The library will be called in a multithreaded way, but - * no routines were specified: os locking calls should be - * used. Unfortunately, this can be hard.. like, I think - * I may have to dynamically look up the entry points in - * the instance of NSPR already going in the application. - * - * I know that *we* always specify routines, so this only - * comes up if someone is using NSS to create their own - * PCKS#11 modules for other products. Oh, heck, I'll - * worry about this then. - */ - *pError = CKR_CANT_LOCK; - return (NSSCKFWMutex *)NULL; - } - - mutex = nss_ZNEW(arena, NSSCKFWMutex); - if( (NSSCKFWMutex *)NULL == mutex ) { - *pError = CKR_HOST_MEMORY; - return (NSSCKFWMutex *)NULL; - } - - if( 0 == count ) { - /* - * With the above test out of the way, we know this is case - * #1 in the description of C_Initialize: this library will - * not be called in a multithreaded way. I'll just return - * an object with noop calls. - */ - - mutex->Destroy = (CK_DESTROYMUTEX)mutex_noop; - mutex->Lock = (CK_LOCKMUTEX )mutex_noop; - mutex->Unlock = (CK_UNLOCKMUTEX )mutex_noop; - } else { - /* - * We know that we're in either case #3 or #4 in the description - * of C_Initialize. Case #3 says we should use the specified - * functions, case #4 cays we can use either the specified ones - * or the OS ones. I'll use the specified ones. - */ - - mutex->Destroy = pInitArgs->DestroyMutex; - mutex->Lock = pInitArgs->LockMutex; - mutex->Unlock = pInitArgs->UnlockMutex; - - *pError = pInitArgs->CreateMutex(&mutex->etc); - if( CKR_OK != *pError ) { - (void)nss_ZFreeIf(mutex); - return (NSSCKFWMutex *)NULL; - } - } - -#ifdef DEBUG - *pError = mutex_add_pointer(mutex); - if( CKR_OK != *pError ) { - (void)nss_ZFreeIf(mutex); - return (NSSCKFWMutex *)NULL; - } -#endif /* DEBUG */ - - return mutex; -} - -/* - * nssCKFWMutex_Destroy - * - */ -NSS_EXTERN CK_RV -nssCKFWMutex_Destroy -( - NSSCKFWMutex *mutex -) -{ - CK_RV rv = CKR_OK; - -#ifdef NSSDEBUG - rv = nssCKFWMutex_verifyPointer(mutex); - if( CKR_OK != rv ) { - return rv; - } -#endif /* NSSDEBUG */ - - rv = mutex->Destroy(mutex->etc); - -#ifdef DEBUG - (void)mutex_remove_pointer(mutex); -#endif /* DEBUG */ - - (void)nss_ZFreeIf(mutex); - return rv; -} - -/* - * nssCKFWMutex_Lock - * - */ -NSS_EXTERN CK_RV -nssCKFWMutex_Lock -( - NSSCKFWMutex *mutex -) -{ -#ifdef NSSDEBUG - CK_RV rv = nssCKFWMutex_verifyPointer(mutex); - if( CKR_OK != rv ) { - return rv; - } -#endif /* NSSDEBUG */ - - return mutex->Lock(mutex->etc); -} - -/* - * nssCKFWMutex_Unlock - * - */ -NSS_EXTERN CK_RV -nssCKFWMutex_Unlock -( - NSSCKFWMutex *mutex -) -{ -#ifdef NSSDEBUG - CK_RV rv = nssCKFWMutex_verifyPointer(mutex); - if( CKR_OK != rv ) { - return rv; - } -#endif /* NSSDEBUG */ - - return mutex->Unlock(mutex->etc); -} - -/* - * NSSCKFWMutex_Destroy - * - */ -NSS_EXTERN CK_RV -NSSCKFWMutex_Destroy -( - NSSCKFWMutex *mutex -) -{ -#ifdef DEBUG - CK_RV rv = nssCKFWMutex_verifyPointer(mutex); - if( CKR_OK != rv ) { - return rv; - } -#endif /* DEBUG */ - - return nssCKFWMutex_Destroy(mutex); -} - -/* - * NSSCKFWMutex_Lock - * - */ -NSS_EXTERN CK_RV -NSSCKFWMutex_Lock -( - NSSCKFWMutex *mutex -) -{ -#ifdef DEBUG - CK_RV rv = nssCKFWMutex_verifyPointer(mutex); - if( CKR_OK != rv ) { - return rv; - } -#endif /* DEBUG */ - - return nssCKFWMutex_Lock(mutex); -} - -/* - * NSSCKFWMutex_Unlock - * - */ -NSS_EXTERN CK_RV -NSSCKFWMutex_Unlock -( - NSSCKFWMutex *mutex -) -{ -#ifdef DEBUG - CK_RV rv = nssCKFWMutex_verifyPointer(mutex); - if( CKR_OK != rv ) { - return rv; - } -#endif /* DEBUG */ - - return nssCKFWMutex_Unlock(mutex); -} |