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syscalls: shutdown

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Matheus
2025-02-08 20:24:43 -03:00
parent 73929bfd57
commit b1e87c57e9
7 changed files with 183 additions and 13 deletions
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kernel-src/io/net/udp.c
+23 -3
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@@ -109,7 +109,7 @@ void udp_process(netdev_t *netdev, void *buffer, uint32_t peer) {
spinlock_release(&portlock);
if (socket == NULL) // drop packet if no socket listening on port
if (socket == NULL || (socket->socket.shutdown & SOCKET_SHUTDOWN_READ)) // drop packet if no socket listening on port or its not accepting incoming data
return;
dataheader_t header = {
@@ -185,7 +185,14 @@ static int udp_send(socket_t *socket, sockdesc_t *sockdesc) {
int e;
MUTEX_ACQUIRE(&socket->mutex);
if (sockdesc->addr == NULL && socket->state != SOCKET_STATE_CONNECTED) {
if (socket->shutdown & SOCKET_SHUTDOWN_WRITE) {
// XXX should SIGPIPE be sent in this case?
e = 0;
sockdesc->donecount = 0;
return 0;
}
if (sockdesc->addr == NULL) {
e = ENOTCONN;
goto cleanup;
}
@@ -337,6 +344,18 @@ static int udp_poll(socket_t *socket, polldata_t *data, int events) {
return revents;
}
static int udp_shutdown(socket_t *socket, int how) {
if (how > SOCKET_SHUTDOWN_RW)
return EINVAL;
MUTEX_ACQUIRE(&socket->mutex);
socket->shutdown |= how;
MUTEX_RELEASE(&socket->mutex);
return 0;
}
static socketops_t socketops = {
.bind = udp_bind,
.send = udp_send,
@@ -344,7 +363,8 @@ static socketops_t socketops = {
.destroy = udp_destroy,
.poll = udp_poll,
.getname = udp_getname,
.getpeername = udp_getpeername
.getpeername = udp_getpeername,
.shutdown = udp_shutdown
};
socket_t *udp_createsocket() {