iokit/Kernel/IOMemoryDescriptor.cpp

7  * as defined in and that are subject to the Apple Public Source License
219 // This means that pointers are not passed and NULLs don't have to be
264     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
265     if (that)
267 	if (that->initWithAddress(address, length, direction, task))
268 	    return that;
270         that->release();
293     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
294     if (that)
296 	if (that->initWithRanges(ranges, withCount, direction, task, asReference))
297 	    return that;
299         that->release();
321     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
322     if (that)
329 	if (that->initWithOptions(ranges, rangeCount, 0, task, options, /* mapper */ 0))
330 	    return that;
332 	that->release();
384     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
385     if (that)
387 	if (that->initWithPhysicalRanges(ranges, withCount, direction, asReference))
388 	    return that;
390         that->release();
657      * it to an initial value because I/O Kit guarantees that all our instance
789 	    // I'd prefer to do _ranges = (Ranges) buffers, but that doesn't
1030     // Assert that this entire I/O is withing the available range
1075     // Assert that this entire I/O is withing the available range
1358 	// Find the range after the one that contains the offset
1395 	// Find the range after the one that contains the offset
1494 	// We need to check that the remainder of the iopl is contiguous.
1557 	// Now that we have the starting range,
2164     // Note that appendBytes(NULL) zeros the data up to the desired length.
2273 	    // that freed memory before the descriptor pointing at it
2589 	    // Only complete iopls that we created which are for TypeVirtual
3036             // we have to make sure that these guys don't get copied if we fork.
3547 // of a memory descriptors _mappings set.  This means that we