global_init: assume the EINTR bit by default #4840
Brought to the mailing list with no objections following.
This may cause some pain points for some distros. I think distros expect
See, for example, Fedora Issue 919127, Provide a CURL_GLOBAL_ACK_EINTR flag to curl_global_init().
- Removed from global_init since it isn't thread-safe. The symbol will still remain to not break compiles, it just won't have any effect going forward. - make the internals NOT loop on EINTR (the opposite from previously). It only risks returning from the select/poll/wait functions early, and that should be risk-free. Closes #4840