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Unified Diff: nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_rwlock.c

Issue 2078763002: Delete bundled copy of NSS and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss@master
Patch Set: Delete bundled copy of NSS and replace with README. Created 4 years, 6 months ago
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Index: nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_rwlock.c
diff --git a/nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_rwlock.c b/nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_rwlock.c
deleted file mode 100755
index 662931e981050ff1576e40cc276207ac3fae7dc6..0000000000000000000000000000000000000000
--- a/nss/lib/libpkix/pkix_pl_nss/system/pkix_pl_rwlock.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-/*
- * pkix_pl_rwlock.c
- *
- * Read/Write Lock Functions
- *
- */
-
-#include "pkix_pl_rwlock.h"
-
-/* --Private-Functions-------------------------------------------- */
-
-static PKIX_Error *
-pkix_pl_RWLock_Destroy(
- PKIX_PL_Object *object,
- void *plContext)
-{
- PKIX_PL_RWLock* rwlock = NULL;
-
- PKIX_ENTER(RWLOCK, "pkix_pl_RWLock_Destroy");
- PKIX_NULLCHECK_ONE(object);
-
- PKIX_CHECK(pkix_CheckType(object, PKIX_RWLOCK_TYPE, plContext),
- PKIX_OBJECTNOTRWLOCK);
-
- rwlock = (PKIX_PL_RWLock*) object;
-
- PKIX_RWLOCK_DEBUG("Calling PR_DestroyRWLock)\n");
- PR_DestroyRWLock(rwlock->lock);
- rwlock->lock = NULL;
-
-cleanup:
-
- PKIX_RETURN(RWLOCK);
-}
-
-/*
- * FUNCTION: pkix_pl_RWLock_RegisterSelf
- * DESCRIPTION:
- * Registers PKIX_RWLOCK_TYPE and its related functions with systemClasses[]
- * THREAD SAFETY:
- * Not Thread Safe - for performance and complexity reasons
- *
- * Since this function is only called by PKIX_PL_Initialize, which should
- * only be called once, it is acceptable that this function is not
- * thread-safe.
- */
-PKIX_Error *
-pkix_pl_RWLock_RegisterSelf(
- void *plContext)
-{
-
- extern pkix_ClassTable_Entry systemClasses[PKIX_NUMTYPES];
- pkix_ClassTable_Entry entry;
-
- PKIX_ENTER(RWLOCK, "pkix_pl_RWLock_RegisterSelf");
-
- entry.description = "RWLock";
- entry.objCounter = 0;
- entry.typeObjectSize = sizeof(PKIX_PL_RWLock);
- entry.destructor = pkix_pl_RWLock_Destroy;
- entry.equalsFunction = NULL;
- entry.hashcodeFunction = NULL;
- entry.toStringFunction = NULL;
- entry.comparator = NULL;
- entry.duplicateFunction = NULL;
-
- systemClasses[PKIX_RWLOCK_TYPE] = entry;
-
- PKIX_RETURN(RWLOCK);
-}
-
-/* --Public-Functions--------------------------------------------- */
-
-PKIX_Error *
-PKIX_PL_RWLock_Create(
- PKIX_PL_RWLock **pNewLock,
- void *plContext)
-{
- PKIX_PL_RWLock *rwLock = NULL;
-
- PKIX_ENTER(RWLOCK, "PKIX_PL_RWLock_Create");
- PKIX_NULLCHECK_ONE(pNewLock);
-
- PKIX_CHECK(PKIX_PL_Object_Alloc
- (PKIX_RWLOCK_TYPE,
- sizeof (PKIX_PL_RWLock),
- (PKIX_PL_Object **)&rwLock,
- plContext),
- PKIX_ERRORALLOCATINGRWLOCK);
-
- PKIX_RWLOCK_DEBUG("\tCalling PR_NewRWLock)\n");
- rwLock->lock = PR_NewRWLock(PR_RWLOCK_RANK_NONE, "PKIX RWLock");
-
- if (rwLock->lock == NULL) {
- PKIX_DECREF(rwLock);
- PKIX_ERROR(PKIX_OUTOFMEMORY);
- }
-
- rwLock->readCount = 0;
- rwLock->writeLocked = PKIX_FALSE;
-
- *pNewLock = rwLock;
-
-cleanup:
-
- PKIX_RETURN(RWLOCK);
-}
-
-PKIX_Error *
-PKIX_PL_AcquireReaderLock(
- PKIX_PL_RWLock *lock,
- void *plContext)
-{
- PKIX_ENTER(RWLOCK, "PKIX_PL_AcquireReaderLock");
- PKIX_NULLCHECK_ONE(lock);
-
- PKIX_RWLOCK_DEBUG("\tCalling PR_RWLock_Rlock)\n");
- (void) PR_RWLock_Rlock(lock->lock);
-
- lock->readCount++;
-
- PKIX_RETURN(RWLOCK);
-}
-
-PKIX_Error *
-PKIX_PL_ReleaseReaderLock(
- PKIX_PL_RWLock *lock,
- void *plContext)
-{
- PKIX_ENTER(RWLOCK, "PKIX_PL_ReleaseReaderLock");
- PKIX_NULLCHECK_ONE(lock);
-
- PKIX_RWLOCK_DEBUG("\tCalling PR_RWLock_Unlock)\n");
- (void) PR_RWLock_Unlock(lock->lock);
-
- lock->readCount--;
-
- PKIX_RETURN(RWLOCK);
-}
-
-PKIX_Error *
-PKIX_PL_IsReaderLockHeld(
- PKIX_PL_RWLock *lock,
- PKIX_Boolean *pIsHeld,
- void *plContext)
-{
- PKIX_ENTER(RWLOCK, "PKIX_PL_IsReaderLockHeld");
- PKIX_NULLCHECK_TWO(lock, pIsHeld);
-
- *pIsHeld = (lock->readCount > 0)?PKIX_TRUE:PKIX_FALSE;
-
- PKIX_RETURN(RWLOCK);
-}
-
-PKIX_Error *
-PKIX_PL_AcquireWriterLock(
- PKIX_PL_RWLock *lock,
- void *plContext)
-{
- PKIX_ENTER(RWLOCK, "PKIX_PL_AcquireWriterLock");
- PKIX_NULLCHECK_ONE(lock);
-
- PKIX_RWLOCK_DEBUG("\tCalling PR_RWLock_Wlock\n");
- (void) PR_RWLock_Wlock(lock->lock);
-
- if (lock->readCount > 0) {
- PKIX_ERROR(PKIX_LOCKHASNONZEROREADCOUNT);
- }
-
- /* We should never acquire a write lock if the lock is held */
- lock->writeLocked = PKIX_TRUE;
-
-cleanup:
-
- PKIX_RETURN(RWLOCK);
-}
-
-PKIX_Error *
-PKIX_PL_ReleaseWriterLock(
- PKIX_PL_RWLock *lock,
- void *plContext)
-{
- PKIX_ENTER(RWLOCK, "PKIX_PL_ReleaseWriterLock");
- PKIX_NULLCHECK_ONE(lock);
-
- if (lock->readCount > 0) {
- PKIX_ERROR(PKIX_LOCKHASNONZEROREADCOUNT);
- }
-
- PKIX_RWLOCK_DEBUG("\tCalling PR_RWLock_Unlock)\n");
- (void) PR_RWLock_Unlock(lock->lock);
-
- /* XXX Need to think about thread safety here */
- /* There should be a single lock holder */
- lock->writeLocked = PKIX_FALSE;
-
-cleanup:
-
- PKIX_RETURN(RWLOCK);
-}
-
-PKIX_Error *
-PKIX_PL_IsWriterLockHeld(
- PKIX_PL_RWLock *lock,
- PKIX_Boolean *pIsHeld,
- void *plContext)
-{
- PKIX_ENTER(RWLOCK, "PKIX_PL_IsWriterLockHeld");
- PKIX_NULLCHECK_TWO(lock, pIsHeld);
-
- *pIsHeld = lock->writeLocked;
-
- PKIX_RETURN(RWLOCK);
-}
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