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LWIP_NETCONN_FULLDUPLEX: fixed shutdown during write (bug #50274)

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sg 2017-02-16 22:09:02 +01:00
parent d7b51b5906
commit 6dca664217
2 changed files with 10 additions and 4 deletions
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3
CHANGELOG
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@ -23,6 +23,9 @@ HISTORY
++ Bugfixes:
2017-02-16: Simon Goldschmidt
* LWIP_NETCONN_FULLDUPLEX: fixed shutdown during write (bug #50274)
2017-01-18: Dirk Ziegelmeier
* Fix zero-copy RX, see bug bug #50064. PBUF_REFs were not supported as ARP requests.

11
src/api/api_msg.c
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@ -1784,25 +1784,28 @@ lwip_netconn_do_close(void *m)
#if LWIP_NETCONN_FULLDUPLEX
if (msg->msg.sd.shut & NETCONN_SHUT_WR) {
/* close requested, abort running write */
sys_sem_t* op_completed_sem;
sys_sem_t* write_completed_sem;
LWIP_ASSERT("msg->conn->current_msg != NULL", msg->conn->current_msg != NULL);
op_completed_sem = LWIP_API_MSG_SEM(msg->conn->current_msg);
write_completed_sem = LWIP_API_MSG_SEM(msg->conn->current_msg);
msg->conn->current_msg->err = ERR_CLSD;
msg->conn->current_msg = NULL;
msg->conn->write_offset = 0;
msg->conn->state = NETCONN_NONE;
state = NETCONN_NONE;
NETCONN_SET_SAFE_ERR(msg->conn, ERR_CLSD);
sys_sem_signal(op_completed_sem);
sys_sem_signal(write_completed_sem);
} else {
LWIP_ASSERT("msg->msg.sd.shut == NETCONN_SHUT_RD", msg->msg.sd.shut == NETCONN_SHUT_RD);
/* In this case, let the write continue and do not interfere with
conn->current_msg or conn->state! */
msg->err = tcp_shutdown(msg->conn->pcb.tcp, 1, 0);
}
}
if (state == NETCONN_NONE) {
#else /* LWIP_NETCONN_FULLDUPLEX */
msg->err = ERR_INPROGRESS;
#endif /* LWIP_NETCONN_FULLDUPLEX */
} else {
#endif /* LWIP_NETCONN_FULLDUPLEX */
if (msg->msg.sd.shut & NETCONN_SHUT_RD) {
/* Drain and delete mboxes */
netconn_drain(msg->conn);