On 2020-09-21 18:31, Dimitry Sibiryakov wrote:
21.09.2020 17:28, Scott Morgan via Firebird-devel wrote:
Not as such, but it's relying on undefined behaviour (exiting an app
whilst worker threads are still active)
On Windows it is defined behavior. Call to ExitProcess() made by
default RTL will terminate all other threads.
On Linux it is actually the same.
To be precise - fb_shutdown() performs some cleanup actions in the
client. But they are organized in sligghtly different from engine way,
therefore I've forgotten about them when answered first time. The most
intresting for us - it's closing all opened sockets (suppose for non-TCP
clients something similiar is done). As the result all I/O waits on them
are finished at once, therefore if isc_attach_database() was waiting for
reply from server it will get immediately disconnected.
I.e. you can safely call fb_shutdown() and after it wait for your thread
completion.
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