void
js::DestroyContext(JSContext *cx, DestroyContextMode mode)
{
JSRuntime *rt = cx->runtime;
JS_AbortIfWrongThread(rt);
#ifdef JS_THREADSAFE
if (cx->outstandingRequests != 0)
MOZ_CRASH();
#endif
if (mode != DCM_NEW_FAILED) {
if (JSContextCallback cxCallback = rt->cxCallback) {
/*
* JSCONTEXT_DESTROY callback is not allowed to fail and must
* return true.
*/
JS_ALWAYS_TRUE(cxCallback(cx, JSCONTEXT_DESTROY));
}
}
cx->remove();
bool last = !rt->hasContexts();
if (last) {
JS_ASSERT(!rt->isHeapBusy());
/*
* Dump remaining type inference results first. This printing
* depends on atoms still existing.
*/
for (CompartmentsIter c(rt); !c.done(); c.next())
c->types.print(cx, false);
/* Off thread ion compilations depend on atoms still existing. */
for (CompartmentsIter c(rt); !c.done(); c.next())
CancelOffThreadIonCompile(c, NULL);
/* Unpin all common names before final GC. */
FinishCommonNames(rt);
/* Clear debugging state to remove GC roots. */
for (CompartmentsIter c(rt); !c.done(); c.next())
c->clearTraps(rt->defaultFreeOp());
JS_ClearAllWatchPoints(cx);
/* Clear the statics table to remove GC roots. */
rt->staticStrings.finish();
rt->finishSelfHosting();
JS::PrepareForFullGC(rt);
GC(rt, GC_NORMAL, JS::gcreason::LAST_CONTEXT);
} else if (mode == DCM_FORCE_GC) {
JS_ASSERT(!rt->isHeapBusy());
JS::PrepareForFullGC(rt);
GC(rt, GC_NORMAL, JS::gcreason::DESTROY_CONTEXT);
}
js_delete_poison(cx);
}
void
js::DestroyContext(JSContext *cx, DestroyContextMode mode)
{
JSRuntime *rt = cx->runtime;
JS_AbortIfWrongThread(rt);
JS_ASSERT(!cx->enumerators);
#ifdef JS_THREADSAFE
JS_ASSERT(cx->outstandingRequests == 0);
#endif
if (mode != DCM_NEW_FAILED) {
if (JSContextCallback cxCallback = rt->cxCallback) {
/*
* JSCONTEXT_DESTROY callback is not allowed to fail and must
* return true.
*/
JS_ALWAYS_TRUE(cxCallback(cx, JSCONTEXT_DESTROY));
}
}
JS_REMOVE_LINK(&cx->link);
bool last = !rt->hasContexts();
if (last) {
JS_ASSERT(!rt->isHeapBusy());
/*
* Dump remaining type inference results first. This printing
* depends on atoms still existing.
*/
for (CompartmentsIter c(rt); !c.done(); c.next())
c->types.print(cx, false);
/* Unpin all common atoms before final GC. */
FinishCommonAtoms(rt);
/* Clear debugging state to remove GC roots. */
for (CompartmentsIter c(rt); !c.done(); c.next())
c->clearTraps(rt->defaultFreeOp());
JS_ClearAllWatchPoints(cx);
PrepareForFullGC(rt);
GC(rt, GC_NORMAL, gcreason::LAST_CONTEXT);
} else if (mode == DCM_FORCE_GC) {
JS_ASSERT(!rt->isHeapBusy());
PrepareForFullGC(rt);
GC(rt, GC_NORMAL, gcreason::DESTROY_CONTEXT);
}
Foreground::delete_(cx);
}
void
js::DestroyContext(JSContext *cx, DestroyContextMode mode)
{
JSRuntime *rt = cx->runtime();
JS_AbortIfWrongThread(rt);
#ifdef JS_THREADSAFE
if (cx->outstandingRequests != 0)
MOZ_CRASH();
#endif
#if (defined(JSGC_ROOT_ANALYSIS) || defined(JSGC_USE_EXACT_ROOTING)) && defined(DEBUG)
for (int i = 0; i < THING_ROOT_LIMIT; ++i)
JS_ASSERT(cx->thingGCRooters[i] == nullptr);
#endif
if (mode != DCM_NEW_FAILED) {
if (JSContextCallback cxCallback = rt->cxCallback) {
/*
* JSCONTEXT_DESTROY callback is not allowed to fail and must
* return true.
*/
JS_ALWAYS_TRUE(cxCallback(cx, JSCONTEXT_DESTROY,
rt->cxCallbackData));
}
}
cx->remove();
bool last = !rt->hasContexts();
if (last) {
/*
* Dump remaining type inference results while we still have a context.
* This printing depends on atoms still existing.
*/
for (CompartmentsIter c(rt, SkipAtoms); !c.done(); c.next())
c->types.print(cx, false);
}
if (mode == DCM_FORCE_GC) {
JS_ASSERT(!rt->isHeapBusy());
JS::PrepareForFullGC(rt);
GC(rt, GC_NORMAL, JS::gcreason::DESTROY_CONTEXT);
}
js_delete_poison(cx);
}
void
js::DestroyContext(JSContext* cx, DestroyContextMode mode)
{
JSRuntime* rt = cx->runtime();
JS_AbortIfWrongThread(rt);
if (cx->outstandingRequests != 0)
MOZ_CRASH("Attempted to destroy a context while it is in a request.");
cx->roots.checkNoGCRooters();
FinishPersistentRootedChains(cx->roots);
if (mode != DCM_NEW_FAILED) {
if (JSContextCallback cxCallback = rt->cxCallback) {
/*
* JSCONTEXT_DESTROY callback is not allowed to fail and must
* return true.
*/
JS_ALWAYS_TRUE(cxCallback(cx, JSCONTEXT_DESTROY,
rt->cxCallbackData));
}
}
cx->remove();
bool last = !rt->hasContexts();
if (last) {
/*
* Dump remaining type inference results while we still have a context.
* This printing depends on atoms still existing.
*/
for (CompartmentsIter c(rt, SkipAtoms); !c.done(); c.next())
PrintTypes(cx, c, false);
}
if (mode == DCM_FORCE_GC) {
MOZ_ASSERT(!rt->isHeapBusy());
JS::PrepareForFullGC(rt);
rt->gc.gc(GC_NORMAL, JS::gcreason::DESTROY_CONTEXT);
}
js_delete_poison(cx);
}
void
js::DestroyContext(JSContext *cx, DestroyContextMode mode)
{
JSRuntime *rt = cx->runtime();
JS_AbortIfWrongThread(rt);
#ifdef JS_THREADSAFE
if (cx->outstandingRequests != 0)
MOZ_CRASH();
#endif
#if (defined(JSGC_ROOT_ANALYSIS) || defined(JSGC_USE_EXACT_ROOTING)) && defined(DEBUG)
for (int i = 0; i < THING_ROOT_LIMIT; ++i)
JS_ASSERT(cx->thingGCRooters[i] == NULL);
#endif
if (mode != DCM_NEW_FAILED) {
if (JSContextCallback cxCallback = rt->cxCallback) {
/*
* JSCONTEXT_DESTROY callback is not allowed to fail and must
* return true.
*/
JS_ALWAYS_TRUE(cxCallback(cx, JSCONTEXT_DESTROY,
rt->cxCallbackData));
}
}
cx->remove();
bool last = !rt->hasContexts();
if (last) {
JS_ASSERT(!rt->isHeapBusy());
/*
* Dump remaining type inference results first. This printing
* depends on atoms still existing.
*/
for (CompartmentsIter c(rt); !c.done(); c.next())
c->types.print(cx, false);
/* Off thread compilation and parsing depend on atoms still existing. */
for (CompartmentsIter c(rt); !c.done(); c.next())
CancelOffThreadIonCompile(c, NULL);
WaitForOffThreadParsingToFinish(rt);
#ifdef JS_WORKER_THREADS
if (rt->workerThreadState)
rt->workerThreadState->cleanup(rt);
#endif
/* Unpin all common names before final GC. */
FinishCommonNames(rt);
/* Clear debugging state to remove GC roots. */
for (CompartmentsIter c(rt); !c.done(); c.next())
c->clearTraps(rt->defaultFreeOp());
JS_ClearAllWatchPoints(cx);
/* Clear the statics table to remove GC roots. */
rt->staticStrings.finish();
JS::PrepareForFullGC(rt);
GC(rt, GC_NORMAL, JS::gcreason::LAST_CONTEXT);
/*
* Clear the self-hosted global and delete self-hosted classes *after*
* GC, as finalizers for objects check for clasp->finalize during GC.
*/
rt->finishSelfHosting();
} else if (mode == DCM_FORCE_GC) {
JS_ASSERT(!rt->isHeapBusy());
JS::PrepareForFullGC(rt);
GC(rt, GC_NORMAL, JS::gcreason::DESTROY_CONTEXT);
}
js_delete_poison(cx);
}
void
js_DestroyContext(JSContext *cx, JSDestroyContextMode mode)
{
JSRuntime *rt = cx->runtime;
JS_AbortIfWrongThread(rt);
JS_ASSERT(!cx->enumerators);
#ifdef JS_THREADSAFE
JS_ASSERT(cx->outstandingRequests == 0);
#endif
if (mode != JSDCM_NEW_FAILED) {
if (JSContextCallback cxCallback = rt->cxCallback) {
/*
* JSCONTEXT_DESTROY callback is not allowed to fail and must
* return true.
*/
DebugOnly<JSBool> callbackStatus = cxCallback(cx, JSCONTEXT_DESTROY);
JS_ASSERT(callbackStatus);
}
}
JS_LOCK_GC(rt);
JS_REMOVE_LINK(&cx->link);
bool last = !rt->hasContexts();
if (last || mode == JSDCM_FORCE_GC || mode == JSDCM_MAYBE_GC) {
JS_ASSERT(!rt->gcRunning);
#ifdef JS_THREADSAFE
rt->gcHelperThread.waitBackgroundSweepEnd();
#endif
JS_UNLOCK_GC(rt);
if (last) {
/*
* Dump remaining type inference results first. This printing
* depends on atoms still existing.
*/
{
AutoLockGC lock(rt);
for (CompartmentsIter c(rt); !c.done(); c.next())
c->types.print(cx, false);
}
/* Unpin all common atoms before final GC. */
js_FinishCommonAtoms(cx);
/* Clear debugging state to remove GC roots. */
for (CompartmentsIter c(rt); !c.done(); c.next())
c->clearTraps(cx);
JS_ClearAllWatchPoints(cx);
js_GC(cx, NULL, GC_NORMAL, gcreason::LAST_CONTEXT);
} else if (mode == JSDCM_FORCE_GC) {
js_GC(cx, NULL, GC_NORMAL, gcreason::DESTROY_CONTEXT);
} else if (mode == JSDCM_MAYBE_GC) {
JS_MaybeGC(cx);
}
JS_LOCK_GC(rt);
}
#ifdef JS_THREADSAFE
rt->gcHelperThread.waitBackgroundSweepEnd();
#endif
JS_UNLOCK_GC(rt);
Foreground::delete_(cx);
}