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Code Issues Releases Wiki Activity

modules/vm: Asynchronous post_hook sequencing.

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This commit is contained in:
Jason Volk 2019-03-19 18:02:35 -07:00
parent a6ae9a7c90
commit d61d443a4c
1 changed files with 66 additions and 2 deletions
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68
modules/vm.cc
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@ -36,6 +36,10 @@ namespace ircd::m::vm
extern conf::item<bool> log_commit_debug; extern conf::item<bool> log_commit_debug;
extern conf::item<bool> log_accept_debug; extern conf::item<bool> log_accept_debug;
extern conf::item<bool> log_accept_info; extern conf::item<bool> log_accept_info;
extern conf::item<size_t> pool_size;
extern const ctx::pool::opts pool_opts;
extern ctx::pool pool;
} }
ircd::mapi::header ircd::mapi::header
@ -108,6 +112,29 @@ ircd::m::vm::effect_hook
{ "name", "vm.effect" } { "name", "vm.effect" }
}; };
decltype(ircd::m::vm::pool_size)
ircd::m::vm::pool_size
{
{ "name", "ircd.m.vm.pool.size" },
{ "default", 16L },
};
decltype(ircd::m::vm::pool_opts)
ircd::m::vm::pool_opts
{
ctx::DEFAULT_STACK_SIZE,
0,
-1,
0
};
decltype(ircd::m::vm::pool)
ircd::m::vm::pool
{
"vm", pool_opts
};
// //
// init // init
// //
@ -115,6 +142,8 @@ ircd::m::vm::effect_hook
void void
ircd::m::vm::init() ircd::m::vm::init()
{ {
pool.min(size_t(pool_size));
id::event::buf event_id; id::event::buf event_id;
sequence::retired = sequence::get(event_id); sequence::retired = sequence::get(event_id);
sequence::committed = sequence::retired; sequence::committed = sequence::retired;
@ -132,6 +161,9 @@ ircd::m::vm::init()
void void
ircd::m::vm::fini() ircd::m::vm::fini()
{ {
pool.terminate();
pool.join();
assert(eval::list.empty()); assert(eval::list.empty());
event::id::buf event_id; event::id::buf event_id;
@ -711,7 +743,24 @@ ircd::m::vm::_eval_pdu(eval &eval,
}; };
_write(eval, event); _write(eval, event);
}
// pre-notify effect hooks
bool post_hook_complete{false};
if(opts.post)
pool([&event, &eval, &post_hook_complete]
{
const unwind notify{[&post_hook_complete]
{
post_hook_complete = true;
sequence::dock.notify_all();
}};
post_hook(event, eval);
});
if(opts.write)
{
sequence::dock.wait([&eval] sequence::dock.wait([&eval]
{ {
return eval::seqnext(sequence::retired) == &eval; return eval::seqnext(sequence::retired) == &eval;
@ -733,9 +782,24 @@ ircd::m::vm::_eval_pdu(eval &eval,
}; };
} }
// pre-notify effect hooks
if(opts.post) if(opts.post)
post_hook(event, eval); {
sequence::dock.wait([&post_hook_complete]
{
return post_hook_complete;
});
log::debug
{
log, "vm seq %lu:%lu|%lu[%lu|%lu]%lu | accept",
vm::sequence::max(),
vm::sequence::uncommitted,
vm::sequence::committed,
vm::sequence::retired,
sequence::get(eval),
vm::sequence::min(),
};
}
return fault::ACCEPT; return fault::ACCEPT;
} }