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roots: clean out dead code around crawl locks

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Remove a number of #if 0's.

Remove the redundant thread yield after implementing the same or better
in LockSet.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell 2017-10-01 16:19:21 -04:00
parent 1aa1decd1d
commit b7e316b005
1 changed files with 2 additions and 13 deletions
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15
src/bees-roots.cc
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@ -576,29 +576,18 @@ void
BeesCrawl::crawl_thread()
{
Timer crawl_timer;
auto crawl_lock = m_ctx->roots()->lock_set().make_lock(m_state.m_root, false);
while (!m_stopped) {
#if 0
BEESNOTE("waiting for crawl thread limit " << m_state);
crawl_lock.lock();
#endif
BEESNOTE("pop_front " << m_state);
auto this_range = pop_front();
#if 0
crawl_lock.unlock();
#endif
if (this_range) {
catch_all([&]() {
#if 1
BEESNOTE("waiting for scan thread limit " << m_state);
crawl_lock.lock();
#endif
auto crawl_lock = m_ctx->roots()->lock_set().make_lock(m_state.m_root);
BEESNOTE("scan_forward " << this_range);
m_ctx->scan_forward(this_range);
});
BEESCOUNT(crawl_scan);
// Let another thread have a turn with the mutexes
this_thread::yield();
} else {
auto crawl_time = crawl_timer.age();
BEESLOGNOTE("Crawl ran out of data after " << crawl_time << "s, waiting for more...");