40 lines
1.3 KiB
Diff
40 lines
1.3 KiB
Diff
--- lwip-STABLE-1_4_1-RC1/src/api/sockets.c.orig
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+++ lwip-STABLE-1_4_1-RC1/src/api/sockets.c
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@@ -171,6 +171,9 @@ static const int err_to_errno_table[] = {
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set_errno(sk->err); \
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} while (0)
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+/* function to notify libc about a socket event */
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+extern void (*libc_select_notify)();
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+
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/* Forward delcaration of some functions */
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static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len);
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static void lwip_getsockopt_internal(void *arg);
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@@ -1244,7 +1247,7 @@ return_copy_fdsets:
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* Processes recvevent (data available) and wakes up tasks waiting for select.
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*/
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static void
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-event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
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+orig_event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
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{
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int s;
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struct lwip_sock *sock;
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@@ -1359,6 +1362,17 @@ again:
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SYS_ARCH_UNPROTECT(lev);
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}
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+/* Wrapper for the original event_callback() function that additionally calls
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+ * libc_select_notify()
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+ */
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+static void
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+event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
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+{
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+ orig_event_callback(conn, evt, len);
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+ if (libc_select_notify)
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+ libc_select_notify();
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+}
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+
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/**
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* Unimplemented: Close one end of a full-duplex connection.
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* Currently, the full connection is closed.
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