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ntp: enable non-blocking mode on server sockets

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Avoid blocking in sendmsg() due to a full send buffer.
This commit is contained in:
Miroslav Lichvar 2018-05-21 16:27:43 +02:00
parent 113f2ebec0
commit 76bed76289
1 changed files with 4 additions and 0 deletions
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4
ntp_io.c
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@ -142,6 +142,10 @@ prepare_socket(int family, int port_number, int client_only)
/* Close on exec */
UTI_FdSetCloexec(sock_fd);
/* Enable non-blocking mode on server sockets */
if (!client_only && fcntl(sock_fd, F_SETFL, O_NONBLOCK))
DEBUG_LOG("Could not set O_NONBLOCK : %s", strerror(errno));
/* Prepare local address */
memset(&my_addr, 0, sizeof (my_addr));
my_addr_len = 0;