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@@ -1414,9 +1414,10 @@ codelets, where the @code{cl_arg} pointer is given as such.
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@item @code{void (*callback_func)(void *)} (optional) (default: @code{NULL})
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This is a function pointer of prototype @code{void (*f)(void *)} which
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specifies a possible callback. If this pointer is non-null, the callback
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-function is executed @emph{on the host} after the execution of the task. The
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-callback is passed the value contained in the @code{callback_arg} field. No
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-callback is executed if the field is set to @code{NULL}.
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+function is executed @emph{on the host} after the execution of the task. Tasks
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+which depend on it might already be executing. The callback is passed the
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+value contained in the @code{callback_arg} field. No callback is executed if the
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+field is set to @code{NULL}.
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@item @code{void *callback_arg} (optional) (default: @code{NULL})
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This is the pointer passed to the callback function. This field is ignored if
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