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network: Handle B_SELECT_DISCONNECTED in socket notifications.

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TCPEndpoint::_NotifyReader() calls notify(READ, _AvailableData()),
which after a close will be negative, so this will set DISCONNECTED
in that case.

Drop the unnecessary duplication from TCPEndpoint::_HandleReset:
the net_socket layer sends READ|WRITE notifications in this case.

Fixes #19969.

Change-Id: I0e10c0280f3c84276b486b0375000153a117246d
Reviewed-on: https://review.haiku-os.org/c/haiku/+/10581
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: waddlesplash <[email protected]>
This commit is contained in:
Augustin Cavalier
2026-04-25 17:42:44 +00:00
committed by waddlesplash
parent 3e5cbad497
commit 99a4c6e757
2 changed files with 11 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/add-ons/kernel/network/protocols/tcp/TCPEndpoint.cpp
-2
View File
@@ -1311,10 +1311,8 @@ TCPEndpoint::_Close()
void
TCPEndpoint::_HandleReset(status_t error)
{
socket->error = error;
_Close();
gSocketModule->notify(socket, B_SELECT_WRITE, error);
gSocketModule->notify(socket, B_SELECT_ERROR, error);
}
src/add-ons/kernel/network/stack/net_socket.cpp
+11 -3
View File
@@ -849,6 +849,13 @@ socket_request_notification(net_socket* _socket, uint8 event, selectsync* sync)
if (socket->error != B_OK)
notify_select_event(sync, event);
break;
case B_SELECT_DISCONNECTED:
{
ssize_t available = socket_read_avail(socket);
if (available < 0)
notify_select_event(sync, event);
break;
}
}
return B_OK;
@@ -875,14 +882,14 @@ socket_notify(net_socket* _socket, uint8 event, int32 value)
switch (event) {
case B_SELECT_READ:
if ((ssize_t)socket->receive.low_water_mark > value
&& value >= B_OK && !atomic) {
&& value >= B_OK && !atomic) {
notify = false;
}
break;
case B_SELECT_WRITE:
if ((ssize_t)socket->send.low_water_mark > value
&& value >= B_OK && !atomic) {
&& value >= B_OK && !atomic) {
notify = false;
}
break;
@@ -897,6 +904,8 @@ socket_notify(net_socket* _socket, uint8 event, int32 value)
if (notify && socket->select_pool != NULL) {
notify_select_event_pool(socket->select_pool, event);
if (event == B_SELECT_READ && value < 0)
notify_select_event_pool(socket->select_pool, B_SELECT_DISCONNECTED);
if (event == B_SELECT_ERROR) {
// always notify read/write on error
notify_select_event_pool(socket->select_pool, B_SELECT_READ);
@@ -1731,4 +1740,3 @@ net_socket_module_info gNetSocketModule = {
socket_shutdown,
socket_socketpair
};