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RIOT/tests/thread_msg_block_w_queue
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Francisco Molina 0996fb87fd tests: insufficient mem. atmega328p based boards 
- When using test_interactive_sync_utils, stdin and many more
  prints/puts are included. These all go into .bss/.data which
  quickly fills up RAM.
2019-11-27 15:07:43 +01:00
..
tests
main.c tests: add test_utils_interactive_sync when possible 2019-11-27 15:07:42 +01:00
Makefile
Makefile.ci tests: insufficient mem. atmega328p based boards 2019-11-27 15:07:43 +01:00
README.md

README.md

Background

This test application checks for the behavior reported in https://github.com/RIOT-OS/RIOT/issues/100:

Usually, when a thread (here sender_thread) sends a message to another thread (here the main thread) whose message queue already holds a message, the message of sender_thread is copied into main's message queue and sender_thread is set to STATUS_PENDING. However, this should not happen if sender_thread is currently in STATUS_REPLY_BLOCKED mode, since it is in the middle of a different, blocking send.

In the aforementioned issue, it was reported that this undesired behavior was happening. It has been fixed since, and this test ensures that it doesn't re-occur again.

Expected result

The output should look as follows:

sender_thread start
main thread alive

If you see

ERROR: sender_thread should be blocking

something went wrong.