Jaydeep Shah / Mbed OS 22_MUTEX_TIME_UNLOCK

MUTEX _TIME BASED LOCK UNLOCK SYSTEM to avoid priority inversion and deadlock or thread stuck issue.

Files at this revision

API Documentation at this revision

Revision 1:4f150e2895bf, committed 2020-07-26

Comitter:
radhey04ec
Date:
Sun Jul 26 13:18:27 2020 +0000
Parent:
0:f8e6d9529dbd
Commit message:
FINAL COMMIT

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Sun Jul 26 13:15:49 2020 +0000
+++ b/main.cpp	Sun Jul 26 13:18:27 2020 +0000
@@ -28,7 +28,7 @@
 void common_block(const char* name, int state)
 {
     printf("\n Thread arrive %s %d \n", name, state);
-    if (Lock.trylock_for(50)) { // try to lock the mutex: timeout = 100 ms
+    if (Lock.trylock_for(50)) { // try to lock the mutex: timeout = 50 ms-----------------------------
         printf("\n Inside  %s state %d \n", name, state);
         ThisThread::sleep_for(6000);               //some how process stuck in wait state
         printf("\n outside %s state %d \n", name, state);
@@ -36,7 +36,8 @@
     }
     else
     {
-        
+        //Thread back to other work/next process if fail to acquire Critical section
+        //Thread not stuck for getting mutex flag it can do other important work also
         printf("\n %s thread fail to lock state %d",name,state);
     }
 }