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ircd::json::stack::checkpoint: Trigger unforced flush from checkpoint dtor.

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This commit is contained in:
Jason Volk 2020-04-15 15:59:03 -07:00
parent 2b6b69658b
commit 777ea844e7
1 changed files with 8 additions and 0 deletions
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8
ircd/json.cc
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@ -1741,6 +1741,14 @@ noexcept
assert(s->cp == this); assert(s->cp == this);
s->cp = pc; s->cp = pc;
// Certain uses of json::stack in loops might create and destroy
// checkpoints without any appends between their lifetimes. This results
// in the buffer filling up and inevitably force-flushing under an unlucky
// checkpoint (which is bad). This non-forced flush here prevents that once
// the buffer reaches the low-watermark and there is no parent checkpoint.
if(committing())
s->flush();
} }
bool bool