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authorJay Satiro <raysatiro@yahoo.com>2020-03-05 23:35:32 -0500
committerJay Satiro <raysatiro@yahoo.com>2020-03-06 02:56:21 -0500
commit2258b7bcc265b5fe9bfa79ddd079f57e61557da7 (patch)
tree8cfb21a2717d8988dd85784a76f16e7e7a902c4c /lib/getenv.c
parent0b7735c45bf36b71f5b93ef334520b3abc301aea (diff)
multi: skip EINTR check on wakeup socket if it was closed
- Don't check errno on wakeup socket if sread returned 0 since sread doesn't set errno in that case. This is a follow-up to cf7760a from several days ago which fixed Curl_multi_wait to stop busy looping sread on the non-blocking wakeup socket if it was closed (ie sread returns 0). Due to a logic error it was still possible to busy loop in that case if errno == EINTR. Closes https://github.com/curl/curl/pull/5047
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