Package it.unich.jgmp.nativelib
Interface ReallocFunc
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- All Superinterfaces:
com.sun.jna.Callback
- All Known Implementing Classes:
AllocationMonitor.JGMPRealloc
public interface ReallocFunc extends com.sun.jna.Callback
Custom reallocator function callback.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description com.sun.jna.Pointer
invoke(com.sun.jna.Pointer ptr, SizeT old_size, SizeT new_size)
Resize a previously allocated blockptr
ofold_size
bytes to benew_size
bytes.
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Method Detail
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invoke
com.sun.jna.Pointer invoke(com.sun.jna.Pointer ptr, SizeT old_size, SizeT new_size)
Resize a previously allocated blockptr
ofold_size
bytes to benew_size
bytes. The block may be moved if necessary or if desired, and in that case the smaller ofold_size
andnew_size
bytes must be copied to the new location. The return value is a pointer to the resized block, that being the new location if moved or just ptr if not.ptr
is never NULL, it’s always a previously allocated block.new_size
may be bigger or smaller thanold_size
.
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