/*
* If zero is true, zeroize the arena memory before freeing it.
*/
void
PORT_FreeArena(PLArenaPool *arena, PRBool zero)
{
PORTArenaPool *pool = (PORTArenaPool *)arena;
PRLock *lock = (PRLock *)0;
size_t len = sizeof *arena;
if (!pool)
return;
if (ARENAPOOL_MAGIC == pool->magic) {
len = sizeof *pool;
lock = pool->lock;
PZ_Lock(lock);
}
if (zero) {
PL_ClearArenaPool(arena, 0);
}
(void)PR_CallOnce(&setupUseFreeListOnce, &SetupUseFreeList);
if (useFreeList) {
PL_FreeArenaPool(arena);
} else {
PL_FinishArenaPool(arena);
}
PORT_ZFree(arena, len);
if (lock) {
PZ_Unlock(lock);
PZ_DestroyLock(lock);
}
}
/*
* If zero is true, zeroize the arena memory before freeing it.
*/
void
PORT_FreeArena(PLArenaPool *arena, PRBool zero)
{
PORTArenaPool *pool = (PORTArenaPool *)arena;
PRLock * lock = (PRLock *)0;
size_t len = sizeof *arena;
static PRBool checkedEnv = PR_FALSE;
static PRBool doFreeArenaPool = PR_FALSE;
if (!pool)
return;
if (ARENAPOOL_MAGIC == pool->magic ) {
len = sizeof *pool;
lock = pool->lock;
PZ_Lock(lock);
}
if (!checkedEnv) {
/* no need for thread protection here */
doFreeArenaPool = (PR_GetEnv("NSS_DISABLE_ARENA_FREE_LIST") == NULL);
checkedEnv = PR_TRUE;
}
if (zero) {
PL_ClearArenaPool(arena, 0);
}
if (doFreeArenaPool) {
PL_FreeArenaPool(arena);
} else {
PL_FinishArenaPool(arena);
}
PORT_ZFree(arena, len);
if (lock) {
PZ_Unlock(lock);
PZ_DestroyLock(lock);
}
}
nsPresArena::~nsPresArena()
{
#if defined(MOZ_HAVE_MEM_CHECKS)
mFreeLists.EnumerateEntries(UnpoisonFreeList, nullptr);
#endif
PL_FinishArenaPool(&mPool);
}
int main()
{
while (___sl_get_nondet_int()) {
PLArenaPool pool;
while (___sl_get_nondet_int()) {
// initialize arena pool
PL_InitArenaPool(&pool, "cool pool", 0x1000, 0x10);
torture_arena(&pool);
___sl_plot("01-torture_arena");
PL_FreeArenaPool(&pool);
___sl_plot("02-PL_FreeArenaPool");
PL_FinishArenaPool(&pool);
___sl_plot("03-PL_FinishArenaPool");
}
___sl_plot("04-done");
PL_ArenaFinish();
___sl_plot("05-PL_ArenaFinish");
}
return 0;
}
nsPersistentProperties::~nsPersistentProperties()
{
PL_FinishArenaPool(&mArena);
if (mTable.ops) {
PL_DHashTableFinish(&mTable);
}
}
/* # 509 "arena.c" */
PRStatus
nssArena_Destroy
(
NSSArena *arena
)
{
PRLock *lock;
if( (PRLock *)((void *)0) == arena->lock ) {
nss_SetError(NSS_ERROR_INVALID_ARENA);
return PR_FAILURE;
}
PR_Lock(arena->lock);
/* # 542 "arena.c" */
PL_FinishArenaPool(&arena->pool);
lock = arena->lock;
arena->lock = (PRLock *)((void *)0);
PR_Unlock(lock);
PR_DestroyLock(lock);
(void)nss_ZFreeIf(arena);
return PR_SUCCESS;
}
/* Frees up all the objects except the callback list. */
void PREF_CleanupPrefs()
{
if (gHashTable.ops) {
PL_DHashTableFinish(&gHashTable);
gHashTable.ops = nsnull;
PL_FinishArenaPool(&gPrefNameArena);
}
}
void
PORT_DestroyCheapArena(PORTCheapArenaPool *pool)
{
(void)PR_CallOnce(&setupUseFreeListOnce, &SetupUseFreeList);
if (useFreeList) {
PL_FreeArenaPool(&pool->arena);
} else {
PL_FinishArenaPool(&pool->arena);
}
}
nsDisplayListBuilder::~nsDisplayListBuilder() {
NS_ASSERTION(mFramesMarkedForDisplay.Length() == 0,
"All frames should have been unmarked");
NS_ASSERTION(mPresShellStates.Length() == 0,
"All presshells should have been exited");
NS_ASSERTION(!mCurrentTableItem, "No table item should be active");
PL_FreeArenaPool(&mPool);
PL_FinishArenaPool(&mPool);
}
nsresult
nsPermissionManager::RemoveAllFromMemory()
{
mLargestID = 0;
mTypeArray.Clear();
mHostTable.Clear();
if (gHostArena) {
PL_FinishArenaPool(gHostArena);
delete gHostArena;
}
gHostArena = nsnull;
return NS_OK;
}
/*
* If zero is true, zeroize the arena memory before freeing it.
*/
void
PORT_FreeArena(PLArenaPool *arena, PRBool zero)
{
PORTArenaPool *pool = (PORTArenaPool *)arena;
PRLock * lock = (PRLock *)0;
size_t len = sizeof *arena;
extern const PRVersionDescription * libVersionPoint(void);
static const PRVersionDescription * pvd;
static PRBool doFreeArenaPool = PR_FALSE;
if (ARENAPOOL_MAGIC == pool->magic ) {
len = sizeof *pool;
lock = pool->lock;
PZ_Lock(lock);
}
if (!pvd) {
/* Each of NSPR's DLLs has a function libVersionPoint().
** We could do a lot of extra work to be sure we're calling the
** one in the DLL that holds PR_FreeArenaPool, but instead we
** rely on the fact that ALL NSPR DLLs in the same directory
** must be from the same release, and we call which ever one we get.
*/
/* no need for thread protection here */
pvd = libVersionPoint();
if ((pvd->vMajor > 4) ||
(pvd->vMajor == 4 && pvd->vMinor > 1) ||
(pvd->vMajor == 4 && pvd->vMinor == 1 && pvd->vPatch >= 1)) {
const char *ev = PR_GetEnv("NSS_DISABLE_ARENA_FREE_LIST");
if (!ev) doFreeArenaPool = PR_TRUE;
}
}
if (zero) {
PLArena *a;
for (a = arena->first.next; a; a = a->next) {
PR_ASSERT(a->base <= a->avail && a->avail <= a->limit);
memset((void *)a->base, 0, a->avail - a->base);
}
}
if (doFreeArenaPool) {
PL_FreeArenaPool(arena);
} else {
PL_FinishArenaPool(arena);
}
PORT_ZFree(arena, len);
if (lock) {
PZ_Unlock(lock);
PZ_DestroyLock(lock);
}
}
void tmreader_destroy(tmreader *tmr)
{
if (tmr->libraries)
PL_HashTableDestroy(tmr->libraries);
if (tmr->filenames)
PL_HashTableDestroy(tmr->filenames);
if (tmr->components)
PL_HashTableDestroy(tmr->components);
if (tmr->methods)
PL_HashTableDestroy(tmr->methods);
if (tmr->callsites)
PL_HashTableDestroy(tmr->callsites);
PL_FinishArenaPool(&tmr->arena);
free(tmr);
}
int main()
{
PLArenaPool pool;
PL_InitArenaPool(&pool, "cool pool", 0x1000, 0x10);
___sl_plot("PL_InitArenaPool");
// this should be OK
PL_FreeArenaPool(&pool);
___sl_plot("PL_FreeArenaPool-01");
PL_FreeArenaPool(&pool);
___sl_plot("PL_FreeArenaPool-02");
PL_FinishArenaPool(&pool);
___sl_plot("PL_FinishArenaPool-00");
PL_ArenaFinish();
return 0;
}
int main()
{
while (___sl_get_nondet_int()) {
PLArenaPool pool;
while (___sl_get_nondet_int()) {
// initialize arena pool
PL_InitArenaPool(&pool, "cool pool", 0x1000, sizeof(double));
torture_arena(&pool);
PL_FreeArenaPool(&pool);
PL_FinishArenaPool(&pool);
}
PL_ArenaFinish();
}
return 0;
}
//---------------------------------------------
// nsZipArchive::CloseArchive
//---------------------------------------------
nsresult nsZipArchive::CloseArchive()
{
#ifndef STANDALONE
if (mFd) {
PL_FinishArenaPool(&mArena);
}
// CAUTION:
// We don't need to delete each of the nsZipItem as the memory for
// the zip item and the filename it holds are both allocated from the Arena.
// Hence, destroying the Arena is like destroying all the memory
// for all the nsZipItem in one shot. But if the ~nsZipItem is doing
// anything more than cleaning up memory, we should start calling it.
// Let us also cleanup the mFiles table for re-use on the next 'open' call
for (int i = 0; i < ZIP_TABSIZE; i++) {
mFiles[i] = 0;
}
#else
// delete nsZipItems in table
nsZipItem* pItem;
for (int i = 0; i < ZIP_TABSIZE; ++i)
{
pItem = mFiles[i];
while (pItem != 0)
{
mFiles[i] = pItem->next;
free(pItem);
pItem = mFiles[i];
}
mFiles[i] = 0; // make sure we don't double-delete
}
#endif
if (mFd) {
PR_Close(mFd);
mFd = 0;
}
mBuiltSynthetics = PR_FALSE;
return ZIP_OK;
}
/*
** StressThread()
** A bunch of these beat on individual arenas
** This tests the free_list protection.
**
*/
static void PR_CALLBACK StressThread( void *arg )
{
PLArenaPool ap;
PRIntn i;
PRIntn sz;
void *ptr;
PRThread *tp = PR_GetCurrentThread();
PR_LOG( tLM, PR_LOG_DEBUG, ("Stress Thread %p started\n", PR_GetCurrentThread()));
PL_InitArenaPool( &ap, "TheArena", RandSize( poolMin, poolMax), sizeof(double));
for ( i = 0; i < stressIterations; i++ )
{
PRIntn allocated = 0;
while ( allocated < maxAlloc )
{
sz = RandSize( arenaMin, arenaMax );
PL_ARENA_ALLOCATE( ptr, &ap, sz );
if ( ptr == NULL )
{
PR_LOG( tLM, PR_LOG_ERROR, ("ARENA_ALLOCATE() returned NULL\n\tAllocated: %d\n", allocated));
break;
}
allocated += sz;
}
PR_LOG( tLM, PR_LOG_DEBUG, ("Stress thread %p finished one iteration\n", tp));
PL_FreeArenaPool( &ap );
}
PR_LOG( tLM, PR_LOG_DEBUG, ("Stress thread %p finished all iteration\n", tp));
PL_FinishArenaPool( &ap );
PR_LOG( tLM, PR_LOG_DEBUG, ("Stress thread %p after FinishArenaPool()\n", tp));
/* That's all folks! let's quit */
PR_EnterMonitor(tMon);
threadCount--;
PR_Notify(tMon);
PR_ExitMonitor(tMon);
return;
}
/*
** Test arena Mark and Release.
*/
static void MarkAndRelease( void )
{
PLArenaPool ap;
void *ptr = NULL;
void *mark0, *mark1;
PRIntn i;
PL_InitArenaPool( &ap, "TheArena", 4096, sizeof(double));
mark0 = PL_ARENA_MARK( &ap );
PR_LOG( tLM, PR_LOG_DEBUG,
("mark0. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p, m0: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr, mark0 ));
for( i = 0; i < 201; i++ )
{
PL_ARENA_ALLOCATE( ptr, &ap, 512 );
PR_LOG( tLM, PR_LOG_DEBUG,
("mr. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr ));
}
mark1 = PL_ARENA_MARK( &ap );
PR_LOG( tLM, PR_LOG_DEBUG,
("mark1. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p, m1: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr, mark1 ));
for( i = 0; i < 225; i++ )
{
PL_ARENA_ALLOCATE( ptr, &ap, 512 );
PR_LOG( tLM, PR_LOG_DEBUG,
("mr. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr ));
}
PL_ARENA_RELEASE( &ap, mark1 );
PR_LOG( tLM, PR_LOG_DEBUG,
("Release-1: %p -- Pool: %p. first: %p, current: %p, size: %d",
mark1, &ap, ap.first, ap.current, ap.arenasize ));
for( i = 0; i < 20; i++ )
{
PL_ARENA_ALLOCATE( ptr, &ap, 512 );
PR_LOG( tLM, PR_LOG_DEBUG,
("mr. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr ));
}
PL_ARENA_RELEASE( &ap, mark1 );
PR_LOG( tLM, PR_LOG_DEBUG,
("Release-1. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr ));
PL_ARENA_RELEASE( &ap, mark0 );
PR_LOG( tLM, PR_LOG_DEBUG,
("Release-0. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr ));
PL_FreeArenaPool( &ap );
PR_LOG( tLM, PR_LOG_DEBUG,
("Free. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr ));
PL_FinishArenaPool( &ap );
PR_LOG( tLM, PR_LOG_DEBUG,
("Finish. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p",
&ap, ap.first.next, ap.current, ap.arenasize, ptr ));
return;
} /* end MarkAndRelease() */
nsStringBundleService::~nsStringBundleService()
{
flushBundleCache();
PL_FinishArenaPool(&mCacheEntryPool);
}
~State()
{
PL_FinishArenaPool(&mPool);
}
void pool_destroy(pool_t *pool) {
PL_FinishArenaPool(pool);
free(pool);
}