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optimistic_yield()
this introduces optimistic_yield() used for when standard library methods are normally used in tight loops waiting for something to happen, like available().
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@ -84,17 +84,15 @@ bool WiFiServer::getNoDelay(){
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return tcp_nagle_disabled(_pcb);
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}
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extern "C" uint32_t esp_micros_at_task_start();
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bool WiFiServer::hasClient(){
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if (_unclaimed) return true;
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return false;
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}
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extern "C" void optimistic_yield();
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WiFiClient WiFiServer::available(byte* status)
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{
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static uint32_t lastPollTime = 0;
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if (_unclaimed)
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{
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WiFiClient result(_unclaimed);
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@ -103,9 +101,7 @@ WiFiClient WiFiServer::available(byte* status)
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return result;
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}
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if (lastPollTime > esp_micros_at_task_start())
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yield();
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lastPollTime = micros();
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optimistic_yield();
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return WiFiClient();
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}
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