iokit/Kernel/IOMemoryDescriptor.cpp

7  * as defined in and that are subject to the Apple Public Source License
222 // This means that pointers are not passed and NULLs don't have to be
267     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
268     if (that)
270 	if (that->initWithAddress(address, length, direction, task))
271 	    return that;
273         that->release();
296     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
297     if (that)
299 	if (that->initWithRanges(ranges, withCount, direction, task, asReference))
300 	    return that;
302         that->release();
324     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
325     if (that)
332 	if (that->initWithOptions(ranges, rangeCount, 0, task, options, /* mapper */ 0))
333 	    return that;
335 	that->release();
387     IOGeneralMemoryDescriptor * that = new IOGeneralMemoryDescriptor;
388     if (that)
390 	if (that->initWithPhysicalRanges(ranges, withCount, direction, asReference))
391 	    return that;
393         that->release();
660      * it to an initial value because I/O Kit guarantees that all our instance
788 	    // I'd prefer to do _ranges = (Ranges) buffers, but that doesn't
1022     // Assert that this entire I/O is withing the available range
1067     // Assert that this entire I/O is withing the available range
1352 	// Find the range after the one that contains the offset
1389 	// Find the range after the one that contains the offset
1488 	// We need to check that the remainder of the iopl is contiguous.
1551 	// Now that we have the starting range,
2105     // Note that appendBytes(NULL) zeros the data up to the desired length.
2213 	    // that freed memory before the descriptor pointing at it
2524 	    // Only complete iopls that we created which are for TypeVirtual
2971             // we have to make sure that these guys don't get copied if we fork.
3466 // of a memory descriptors _mappings set.  This means that we