Fixes a bug where would-block is treated as an error

Veijo Pesonen · Veijo Pesonen · commit 362be1b4b3f1 · 2018-05-02T14:41:27.000+03:00
Would-block is not a reason to drop a TCP socket from a connected-state
diff --git a/ESP8266Interface.cpp b/ESP8266Interface.cpp
@@ -381,7 +381,7 @@ int ESP8266Interface::socket_recv(void *handle, void *data, unsigned size)
     int32_t recv;
     if (socket->proto == NSAPI_TCP) {
         recv = _esp.recv_tcp(socket->id, data, size);
-        if (recv <= 0) {
+        if (recv <= 0 && recv != NSAPI_ERROR_WOULD_BLOCK) {
             socket->connected = false;
         }
     } else {

Original file line number	Diff line number	Diff line change
`@@ -381,7 +381,7 @@ int ESP8266Interface::socket_recv(void handle, void data, unsigned size)`
`381`	`381`	`int32_t recv;`
`382`	`382`	`if (socket->proto == NSAPI_TCP) {`
`383`	`383`	`recv = _esp.recv_tcp(socket->id, data, size);`
`384`		`- if (recv <= 0) {`
	`384`	`+ if (recv <= 0 && recv != NSAPI_ERROR_WOULD_BLOCK) {`
`385`	`385`	`socket->connected = false;`
`386`	`386`	`}`
`387`	`387`	`} else {`