本文整理汇总了C++中JSRuntime::currentThreadHasExclusiveAccess方法的典型用法代码示例。如果您正苦于以下问题：C++ JSRuntime::currentThreadHasExclusiveAccess方法的具体用法？C++ JSRuntime::currentThreadHasExclusiveAccess怎么用？C++ JSRuntime::currentThreadHasExclusiveAccess使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类JSRuntime的用法示例。
在下文中一共展示了JSRuntime::currentThreadHasExclusiveAccess方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: keepAtoms
/* static */ void *
GCRuntime::refillFreeListFromMainThread(JSContext *cx, AllocKind thingKind)
{
JSRuntime *rt = cx->runtime();
MOZ_ASSERT(!rt->isHeapBusy(), "allocating while under GC");
MOZ_ASSERT_IF(allowGC, !rt->currentThreadHasExclusiveAccess());
// Try to allocate; synchronize with background GC threads if necessary.
void *thing = tryRefillFreeListFromMainThread(cx, thingKind);
if (MOZ_LIKELY(thing))
return thing;
// Perform a last-ditch GC to hopefully free up some memory.
{
// If we are doing a fallible allocation, percolate up the OOM
// instead of reporting it.
if (!allowGC)
return nullptr;
JS::PrepareForFullGC(rt);
AutoKeepAtoms keepAtoms(cx->perThreadData);
rt->gc.gc(GC_SHRINK, JS::gcreason::LAST_DITCH);
}
// Retry the allocation after the last-ditch GC.
thing = tryRefillFreeListFromMainThread(cx, thingKind);
if (thing)
return thing;
// We are really just totally out of memory.
MOZ_ASSERT(allowGC, "A fallible allocation must not report OOM on failure.");
ReportOutOfMemory(cx);
return nullptr;
}