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| • |
When
new cannot allocate the requested memory, it calls a
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default
callback function from the standard library called
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new_handler.
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| • |
This
function throws an exception of type bad_alloc.
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| • |
By
registering a callback function, our own can be called
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instead
of new_handler.
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| • |
This
can be done by calling the function set_new_handler.
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This
function takes one argument: a pointer to a function
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that
takes no arguments and returns void.
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| • |
It
returns a pointer to the previous callback, which is
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initially
the default (new_handler).
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