yield a little more politely
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e4b210d607
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@ -514,14 +514,12 @@ choose_next_context() {
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if (_ready.empty() && _next_ready.empty()) {
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// All of our threads are currently sleeping. Therefore, wake
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// the volunteer(s) immediately.
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if (!_volunteers.empty()) {
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wake_all_sleepers(_volunteers);
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wake_all_sleepers(_volunteers);
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} else {
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// No volunteers. Sleep the whole process.
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system_yield();
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now = get_current_time();
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}
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// We should also yield the whole process now, to be polite to
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// the rest of the system.
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system_yield();
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now = get_current_time();
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}
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wake_sleepers(_sleeping, now);
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wake_sleepers(_volunteers, now);
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@ -560,6 +558,10 @@ choose_next_context() {
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thread_cat.debug()
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<< "Waking volunteers.\n";
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}
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// We should yield the whole process now, to be polite to the
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// rest of the system.
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system_yield();
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now = get_current_time();
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wake_all_sleepers(_volunteers);
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wake_sleepers(_sleeping, now);
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