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fixed that select ignored invalid/not open sockets in the fd_sets (bug #50392)
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@ -26,6 +26,9 @@ HISTORY
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++ Bugfixes:
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2017-02-24: Simon Goldschmidt
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* sockets.c: fixed that select ignored invalid/not open sockets in the fd_sets (bug #50392)
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2017-02-16: Simon Goldschmidt
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* LWIP_NETCONN_FULLDUPLEX: fixed shutdown during write (bug #50274)
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@ -1347,7 +1347,8 @@ lwip_selscan(int maxfdp1, fd_set *readset_in, fd_set *writeset_in, fd_set *excep
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}
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} else {
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SYS_ARCH_UNPROTECT(lev);
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/* continue on to next FD in list */
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/* no a valid open socket */
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return -1;
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}
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}
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/* copy local sets to the ones provided as arguments */
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@ -1384,6 +1385,11 @@ lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
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currently match */
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nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
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if (nready < 0) {
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set_errno(EBADF);
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return -1;
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}
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/* If we don't have any current events, then suspend if we are supposed to */
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if (!nready) {
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if (timeout && timeout->tv_sec == 0 && timeout->tv_usec == 0) {
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