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extmod/uos_dupterm: Swallow any errors from dupterm closing the stream. 

Without this the board will crash when deactivating a stream that doesn't
have a close() method (eg UART) or that raises an exception within the
method (eg user-defined function).
This commit is contained in:
Damien George 2017-10-19 14:10:17 +11:00
parent c53ca32561
commit 9725a654bd
1 changed files with 8 additions and 2 deletions
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10
extmod/uos_dupterm.c
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@ -43,7 +43,13 @@ void mp_uos_deactivate(size_t dupterm_idx, const char *msg, mp_obj_t exc) {
if (exc != MP_OBJ_NULL) {
mp_obj_print_exception(&mp_plat_print, exc);
}
mp_stream_close(term);
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_stream_close(term);
nlr_pop();
} else {
// Ignore any errors during stream closing
}
}
int mp_uos_dupterm_rx_chr(void) {
@ -61,8 +67,8 @@ int mp_uos_dupterm_rx_chr(void) {
if (res == mp_const_none) {
nlr_pop();
} else if (res == MP_OBJ_NEW_SMALL_INT(0)) {
mp_uos_deactivate(idx, "dupterm: EOF received, deactivating\n", MP_OBJ_NULL);
nlr_pop();
mp_uos_deactivate(idx, "dupterm: EOF received, deactivating\n", MP_OBJ_NULL);
} else {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(MP_STATE_VM(dupterm_arr_obj), &bufinfo, MP_BUFFER_READ);