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Arne Welzel 92565d4739 Supervisor: Handle EAGAIN error on stem pipe 
util::safe_write() calls abort() in case of EAGAIN errors. This is
easily observed when starting clusters with 32 workers or more.

Add a custom write_message() function handling EAGAIN by retrying
after a small sleep. It's not clear a more complicated poll() would be
much better: The pipe might be ready for writing, but then our message
might not actually fit in, resulting in another EAGAIN error. And even
poll() would introduce blocking/sleeping code.

Take some precautions against the stem and the supervisor dead-locking
when both pipes are full by draining the other end on EAGAIN errors.

Closes #3043
2023-10-25 12:53:37 +02:00
..
benchmark/broker Port Zeek to latest Broker API 2022-04-27 23:02:27 +02:00
btest Supervisor: Handle EAGAIN error on stem pipe 2023-10-25 12:53:37 +02:00
builtin-plugins Bump cmake submodule for 3.15 requirement 2023-10-09 16:23:12 +02:00
coverage Remove files in build/src/3rdparty from coverage reports 2023-02-09 12:04:53 -07:00
external Merge remote-tracking branch 'origin/topic/bbannier/issue-3234' 2023-10-10 20:07:03 +02:00
scripts ci/btest: Remove spicy-quic helper, disable Spicy on CentOS 7 2023-10-11 17:17:23 +02:00
.gitignore
CMakeLists.txt Integrate the Spicy plugin into Zeek proper. 2023-05-16 10:17:45 +02:00
Makefile
README

README 

This directory contains suites for testing for Zeek's correct
operation:

    btest/
        An ever-growing set of small unit tests testing Zeek's
        functionality.

    external/
        A framework for downloading additional test sets that run more
        complex Zeek configuration on larger traces files. Due to their
        size, these are not included directly. See the README for more
        information. 

    scripts/
        Helpers scripts used by some tests.