host build: optimistic_yield() wrongly delays() instead of avoiding excessive yields (#6802)

dok-net · earlephilhower · earlephilhower · commit bb696dd20463 · 2020-01-27T16:47:39.000-08:00
* optimistic_yield is a yield, not a delay, and avoids yielding if last yield has occurred recently enough.

* Suppress an unused argument warning.

Co-authored-by: Earle F. Philhower, III &lt;earlephilhower@yahoo.com&gt;
diff --git a/tests/host/common/Arduino.cpp b/tests/host/common/Arduino.cpp
@@ -44,7 +44,7 @@ extern "C" bool can_yield()
 
 extern "C" void optimistic_yield (uint32_t interval_us)
 {
-    usleep(interval_us);
+    (void)interval_us;
 }
 
 extern "C" void esp_yield()

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@ extern "C" bool can_yield()`
`44`	`44`
`45`	`45`	`extern "C" void optimistic_yield (uint32_t interval_us)`
`46`	`46`	`{`
`47`		`- usleep(interval_us);`
	`47`	`+ (void)interval_us;`
`48`	`48`	`}`
`49`	`49`
`50`	`50`	`extern "C" void esp_yield()`