feat!: modify recv/recvfrom/recvinto behavior

Previously, these functions would wait until the entire requested number of bytes was filled before returning. With this change, they will now return as soon as they have read the available data, even if it's less than the requested amount.

argon/vm/io/socket/psocket.cpp

@@ -111,9 +111,7 @@ CallbackReturnStatus RecvCallBack(Event *event) {
         return CallbackReturnStatus::RETRY;
     }
 
-    event->buffer.length += bytes;
-    if (bytes > 0 && event->buffer.length < event->buffer.allocated)
-        return CallbackReturnStatus::RETRY;
+    event->buffer.length = bytes;
 
     auto *buffer = BytesNewHoldBuffer(event->buffer.data, event->buffer.allocated, event->buffer.length, true);
     if (buffer == nullptr) {
@@ -153,9 +151,7 @@ CallbackReturnStatus RecvFromCallBack(Event *event) {
         return CallbackReturnStatus::RETRY;
     }
 
-    event->buffer.length += bytes;
-    if (sock->type != SOCK_DGRAM && bytes > 0 && event->buffer.length < event->buffer.allocated)
-        return CallbackReturnStatus::RETRY;
+    event->buffer.length = bytes;
 
     auto *remote_addr = SockAddrToAddr(&storage, sock->family);
     if (remote_addr == nullptr) {
@@ -209,9 +205,7 @@ CallbackReturnStatus RecvIntoCallBack(Event *event) {
         return CallbackReturnStatus::RETRY;
     }
 
-    event->buffer.length += bytes;
-    if (bytes > 0 && event->buffer.length < event->buffer.allocated)
-        return CallbackReturnStatus::RETRY;
+    event->buffer.length = bytes;
 
     auto *buffer = IntNew((IntegerUnderlying) event->buffer.length);