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<div class="title">Reading/Writing<div class="ingroups"><a class="el" href="group__gridftp__driver.html">Globus XIO GRIDFTP Client Driver</a></div></div> </div>
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<p>The <a class="elRef" href="group__GLOBUS__XIO__API.html#ga9d0da46d0e6121f0d1e1d2cf8f70e3b2">globus_xio_register_read()</a> enforce that the waitforbytes parameter should be one. </p>
<p>When multiple TCP streams are used between the client and the server, data might not be delivered in order. <a class="elRef" href="group__GLOBUS__XIO__API.html#ga277915cb1f460ebdcb271f8afb24e54b">globus_xio_data_descriptor_cntl()</a> can be used to get the offset of the data.</p>
<p><a class="elRef" href="group__GLOBUS__XIO__API.html#ga06a308bd9154cc72798d7b0828debc17">globus_xio_register_write()</a> does not enforce any restriction on the waitforbytes parameter.</p>
<p>In any case, when an error or EOF occurs before the waitforbytes request has been met, the outgoing nbytes is set to the amount of data actually read/written before the error or EOF occurred. </p>
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