unitytls: fix handling of blocked sends #33
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Similar to mbedtls implementation, if unitytls_tlsctx_write was previously blocked, it must be called with the same amount of bytes again, or it will lose bytes , e.g. reporting all was sent but they were not. If that happens, the other side errors and hangs up. Remember the blocked length and use that when it is set. See also: curl#15846 curl@a2622cd
vingauth
approved these changes
Jan 6, 2026
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Similar to mbedtls implementation, if unitytls_tlsctx_write was previously blocked, it must be called with the same amount of bytes again, or it will lose bytes , e.g. reporting all was sent but they were not. If that happens, the other side errors and hangs up. Remember the blocked length and use that when it is set.
See also:
curl#15846
curl@a2622cd