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extmod/moduselect: Fix unsigned/signed comparison for timeout!=-1. 

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared 2021-02-01 13:12:23 +11:00 committed by Damien George
parent a1a2815799
commit fce0bd1a2a
1 changed files with 2 additions and 2 deletions
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extmod/moduselect.c
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@ -148,7 +148,7 @@ STATIC mp_obj_t select_select(size_t n_args, const mp_obj_t *args) {
// poll the objects
mp_uint_t n_ready = poll_map_poll(&poll_map, rwx_len);
if (n_ready > 0 || (timeout != -1 && mp_hal_ticks_ms() - start_tick >= timeout)) {
if (n_ready > 0 || (timeout != (mp_uint_t)-1 && mp_hal_ticks_ms() - start_tick >= timeout)) {
// one or more objects are ready, or we had a timeout
mp_obj_t list_array[3];
list_array[0] = mp_obj_new_list(rwx_len[0], NULL);
@ -250,7 +250,7 @@ STATIC mp_uint_t poll_poll_internal(uint n_args, const mp_obj_t *args) {
for (;;) {
// poll the objects
n_ready = poll_map_poll(&self->poll_map, NULL);
if (n_ready > 0 || (timeout != -1 && mp_hal_ticks_ms() - start_tick >= timeout)) {
if (n_ready > 0 || (timeout != (mp_uint_t)-1 && mp_hal_ticks_ms() - start_tick >= timeout)) {
break;
}
MICROPY_EVENT_POLL_HOOK