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lwip_sendmsg/tcp: prevent PSH until all iovecs are enqueued

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(cherry picked from commit 1b3aaef52512219ced9e769a81667f036a6c00a1)
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goldsimon 2017-03-02 09:27:32 +01:00
parent fe6e1bd4af
commit df7485de1c
1 changed files with 4 additions and 0 deletions
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4
src/api/sockets.c
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@ -994,6 +994,10 @@ lwip_sendmsg(int s, const struct msghdr *msg, int flags)
((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0); ((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0);
for (i = 0; i < msg->msg_iovlen; i++) { for (i = 0; i < msg->msg_iovlen; i++) {
u8_t apiflags = write_flags;
if (i + 1 < msg->msg_iovlen) {
apiflags |= NETCONN_MORE;
}
written = 0; written = 0;
err = netconn_write_partly(sock->conn, msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len, write_flags, &written); err = netconn_write_partly(sock->conn, msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len, write_flags, &written);
if (err == ERR_OK) { if (err == ERR_OK) {