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Subject: Re: [boost] async_read SEGFAULT
From: hh h (jupiter.hce_at_[hidden])
Date: 2019-01-06 06:50:45

If all async_read and async_write need a static life time buffer, do I
need to worry about potential buffer overwritten before the buffer
process is completed?

Take an example, if a lift_time_buffer is a static buffer for
async_read, when the socket gets the data, it fills data into the
buffer, then the buffer is passed to higher level applications for
processing, before the buffer process is completed, the socket
receives more data and write the data to the buffer again since it is
async process, that will certainly result data corruption. The same
story could apply for async_write if one static life time buffer to

Is that thought overstated? Or it needs a real concern?

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