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axfer: return ETIMEDOUT when no event occurs after waiter expiration

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Although the waiter abstraction handles timeout as success, it should
report for callers to know timeout.

This commit takes the waiter to return -ETIMEDOUT when timeout expires.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Sakamoto 2019-10-30 00:12:11 +09:00 committed by Jaroslav Kysela
parent 1c17128410
commit e5e6a7838b
1 changed files with 14 additions and 7 deletions
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21
axfer/xfer-libasound.c
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@ -343,21 +343,28 @@ static int prepare_waiter(struct libasound_state *state)
int xfer_libasound_wait_event(struct libasound_state *state, int timeout_msec,
unsigned short *revents)
{
int err;
int count;
if (state->waiter_type != WAITER_TYPE_DEFAULT) {
struct waiter_context *waiter = state->waiter;
int err;
err = waiter_context_wait_event(waiter, timeout_msec);
if (err < 0)
return err;
count = waiter_context_wait_event(waiter, timeout_msec);
if (count < 0)
return count;
if (count == 0 && timeout_msec > 0)
return -ETIMEDOUT;
err = snd_pcm_poll_descriptors_revents(state->handle,
waiter->pfds, waiter->pfd_count, revents);
} else {
err = snd_pcm_wait(state->handle, timeout_msec);
if (err < 0)
return err;
} else {
count = snd_pcm_wait(state->handle, timeout_msec);
if (count < 0)
return count;
if (count == 0 && timeout_msec > 0)
return -ETIMEDOUT;
if (snd_pcm_stream(state->handle) == SND_PCM_STREAM_PLAYBACK)
*revents = POLLOUT;
@ -365,7 +372,7 @@ int xfer_libasound_wait_event(struct libasound_state *state, int timeout_msec,
*revents = POLLIN;
}
return err;
return 0;
}
static int configure_hw_params(struct libasound_state *state,