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https://gitlab.winehq.org/wine/wine-gecko.git
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54f132c66f
--HG-- rename : security/nss/lib/freebl/sechash.h => security/nss/lib/cryptohi/sechash.h rename : security/nss/lib/softoken/secmodt.h => security/nss/lib/pk11wrap/secmodt.h rename : security/nss/lib/freebl/hasht.h => security/nss/lib/util/hasht.h extra : rebase_source : 7da6cd73ca2605a261085ad7fb3b90315e38ad6b
96 lines
1.7 KiB
C
96 lines
1.7 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Locking and queue management primatives
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*
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*/
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#include "seccomon.h"
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#include "nssilock.h"
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#include "secmod.h"
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#include "secmodi.h"
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#include "secmodti.h"
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#include "nssrwlk.h"
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/*
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* create a new lock for a Module List
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*/
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SECMODListLock *SECMOD_NewListLock()
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{
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return NSSRWLock_New( 10, "moduleListLock");
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}
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/*
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* destroy the lock
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*/
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void SECMOD_DestroyListLock(SECMODListLock *lock)
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{
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NSSRWLock_Destroy(lock);
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}
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/*
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* Lock the List for Read: NOTE: this assumes the reading isn't so common
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* the writing will be starved.
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*/
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void SECMOD_GetReadLock(SECMODListLock *modLock)
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{
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NSSRWLock_LockRead(modLock);
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}
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/*
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* Release the Read lock
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*/
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void SECMOD_ReleaseReadLock(SECMODListLock *modLock)
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{
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NSSRWLock_UnlockRead(modLock);
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}
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/*
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* lock the list for Write
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*/
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void SECMOD_GetWriteLock(SECMODListLock *modLock)
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{
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NSSRWLock_LockWrite(modLock);
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}
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/*
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* Release the Write Lock: NOTE, this code is pretty inefficient if you have
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* lots of write collisions.
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*/
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void SECMOD_ReleaseWriteLock(SECMODListLock *modLock)
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{
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NSSRWLock_UnlockWrite(modLock);
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}
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/*
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* must Hold the Write lock
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*/
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void
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SECMOD_RemoveList(SECMODModuleList **parent, SECMODModuleList *child)
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{
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*parent = child->next;
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child->next = NULL;
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}
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/*
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* if lock is not specified, it must already be held
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*/
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void
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SECMOD_AddList(SECMODModuleList *parent, SECMODModuleList *child,
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SECMODListLock *lock)
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{
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if (lock) { SECMOD_GetWriteLock(lock); }
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child->next = parent->next;
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parent->next = child;
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if (lock) { SECMOD_ReleaseWriteLock(lock); }
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}
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