From 169c36213dc94ce1681516c0aabc25fa900452e6 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Wed, 14 Nov 2001 08:58:25 +0000 Subject: [PATCH] Enhanced snd_pcm_wait --- src/pcm/pcm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c index 438f7770..615660ea 100644 --- a/src/pcm/pcm.c +++ b/src/pcm/pcm.c @@ -1176,7 +1176,9 @@ int snd_pcm_open_slave(snd_pcm_t **pcmp, snd_config_t *root, * \brief Wait for a PCM to become ready * \param pcm PCM handle * \param timeout maximum time in milliseconds to wait - * \return 0 on success otherwise a negative error code + * \return a positive value on success otherwise a negative error code + * \retval 0 timeout occured + * \retval 1 PCM stream is ready for I/O */ int snd_pcm_wait(snd_pcm_t *pcm, int timeout) { @@ -1187,7 +1189,7 @@ int snd_pcm_wait(snd_pcm_t *pcm, int timeout) err = poll(&pfd, 1, timeout); if (err < 0) return -errno; - return 0; + return err > 0 ? 1 : 0; } /** -- 2.47.3