Ivan Prisyazhnyy f39a61505f MDEV-33075 [backport/2f5174e556] use more robust self-pipe to wake up poll() in break_connect_loop() ...

Backport of 2f5174e556:
MDEV-33075 Resolve server shutdown issues on macOS, Solaris, and FreeBSD.

This commit addresses multiple server shutdown problems observed on macOS,
Solaris, and FreeBSD:

1. Corrected a non-portable assumption where socket shutdown was expected
to wake up poll() with listening sockets in the main thread.

Use more robust self-pipe to wake up poll() by writing to the pipe's write
end.

Signed-off-by: Ivan Prisyazhnyy <john.koepi@gmail.com>

2024-11-27 14:59:50 +02:00

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