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Code Issues Releases Wiki Activity

ircd::fs::aio: Don't cancel requests which were already completed.

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This commit is contained in:
Jason Volk 2019-03-10 19:12:16 -07:00
parent 7aa9102f45
commit 9d59074679
2 changed files with 14 additions and 2 deletions
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15
ircd/fs_aio.cc
View file

@ -345,6 +345,13 @@ ircd::fs::aio::request::operator()()
return size_t(retval);
}
bool
ircd::fs::aio::request::completed()
const
{
return retval != std::numeric_limits<decltype(retval)>::min();
}
ircd::fs::const_iovec_view
ircd::fs::aio::request::iovec()
const
@ -476,12 +483,16 @@ catch(const ctx::interrupted &e)
// When the ctx is interrupted we're obligated to cancel the request.
// The handler callstack is invoked directly from here by cancel() for
// what it's worth but we rethrow the interrupt anyway.
cancel(request);
if(!request.completed())
request.cancel();
throw;
}
catch(const ctx::terminated &)
{
cancel(request);
if(!request.completed())
request.cancel();
throw;
}

1
ircd/fs_aio.h
View file

@ -96,6 +96,7 @@ struct ircd::fs::aio::request
public:
const_iovec_view iovec() const;
bool completed() const;
size_t operator()();
void cancel();