1RELAY_SWITCH_SUBBUF(9)      relay interface support     RELAY_SWITCH_SUBBUF(9)
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NAME

6       relay_switch_subbuf - switch to a new sub-buffer
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SYNOPSIS

9       size_t relay_switch_subbuf(struct rchan_buf * buf, size_t length);
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ARGUMENTS

12       buf
13           channel buffer
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15       length
16           size of current event
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DESCRIPTION

19       Returns either the length passed in or 0 if full.
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21       Performs sub-buffer-switch tasks such as invoking callbacks, updating
22       padding counts, waking up readers, etc.
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25Kernel Hackers Manual 3.10         June 2019            RELAY_SWITCH_SUBBUF(9)
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