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unix: Fix calculation of poll() timeout in sp_wait().

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This commit is contained in:
Martin Ling 2020-02-02 09:36:52 +00:00
parent 78c3db9bfb
commit d81a4dfdc6
1 changed files with 6 additions and 1 deletions
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7
serialport.c
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@ -1448,6 +1448,7 @@ SP_API enum sp_return sp_wait(struct sp_event_set *event_set,
RETURN_OK();
#else
struct timeout timeout;
int poll_timeout;
int result;
struct pollfd *pollfds;
unsigned int i;
@ -1478,7 +1479,11 @@ SP_API enum sp_return sp_wait(struct sp_event_set *event_set,
break;
}
result = poll(pollfds, event_set->count, timeout_remaining_ms(&timeout) || -1);
poll_timeout = (int) timeout_remaining_ms(&timeout);
if (poll_timeout == 0)
poll_timeout = -1;
result = poll(pollfds, event_set->count, poll_timeout);
timeout_update(&timeout);