rtos: fix delay with 0

Fixes error osErrorParameter that triggers our assert. RTX delay ignored 0 previously, it now returns osErrorParameter instead.
ARMmbed · Jul 29, 2021 · 188b73f · 188b73f
1 parent 8538a59
commit 188b73f
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/rtos/source/ThisThread.cpp b/rtos/source/ThisThread.cpp
@@ -221,9 +221,12 @@ void ThisThread::sleep_for(uint32_t millisec)
 void ThisThread::sleep_for(Clock::duration_u32 rel_time)
 {
 #if MBED_CONF_RTOS_PRESENT
-    osStatus_t status = osDelay(rel_time.count());
-    MBED_ASSERT(status == osOK);
-    (void) status;
+    uint32_t delay = rel_time.count();
+    if (delay != 0) {
+        osStatus_t status = osDelay(delay);
+        MBED_ASSERT(status == osOK);
+        (void) status;
+    }
 #else
     thread_sleep_for(rel_time.count());
 #endif