[libmicrohttpd] 01/02: mhd_send: do not emulate sendmsg() on blocking sockets

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit f1ba9b430e0ae547b62f25d40130eb26502f2bcb
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Mon Dec 28 09:58:40 2020 +0300

    mhd_send: do not emulate sendmsg() on blocking sockets
    
    If OS doesn't support non-blocking sockets then additional call of
    select() or poll() is required to lower chances of being blocked.
---
 src/microhttpd/mhd_send.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/microhttpd/mhd_send.c b/src/microhttpd/mhd_send.c
index a4c58516..3f3a1cdc 100644
--- a/src/microhttpd/mhd_send.c
+++ b/src/microhttpd/mhd_send.c
@@ -884,7 +884,8 @@ MHD_send_hdr_and_body_ (struct MHD_Connection *connection,
 
     if ( (header_size == (size_t) ret) &&
          ((size_t) SSIZE_MAX > header_size) &&
-         (0 != body_size) )
+         (0 != body_size) &&
+         (connection->sk_nonblck) )
     {
       ssize_t ret2;
       /* The header has been sent completely.

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