root / audio / audio_pt_int.c @ 5169202b
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#include "qemu-common.h" |
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#include "audio.h" |
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#define AUDIO_CAP "audio-pt" |
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#include "audio_int.h" |
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#include "audio_pt_int.h" |
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static void logerr (struct audio_pt *pt, int err, const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start (ap, fmt); |
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AUD_vlog (pt->drv, fmt, ap); |
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va_end (ap); |
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AUD_log (NULL, "\n"); |
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AUD_log (pt->drv, "Reason: %s\n", strerror (err));
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} |
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int audio_pt_init (struct audio_pt *p, void *(*func) (void *), |
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void *opaque, const char *drv, const char *cap) |
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{ |
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int err, err2;
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const char *efunc; |
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p->drv = drv; |
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err = pthread_mutex_init (&p->mutex, NULL);
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if (err) {
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efunc = "pthread_mutex_init";
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goto err0;
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} |
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err = pthread_cond_init (&p->cond, NULL);
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if (err) {
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efunc = "pthread_cond_init";
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goto err1;
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} |
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err = pthread_create (&p->thread, NULL, func, opaque);
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if (err) {
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efunc = "pthread_create";
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goto err2;
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} |
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return 0; |
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err2:
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err2 = pthread_cond_destroy (&p->cond); |
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if (err2) {
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logerr (p, err2, "%s(%s): pthread_cond_destroy failed", cap, AUDIO_FUNC);
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} |
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err1:
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err2 = pthread_mutex_destroy (&p->mutex); |
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if (err2) {
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logerr (p, err2, "%s(%s): pthread_mutex_destroy failed", cap, AUDIO_FUNC);
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} |
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err0:
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logerr (p, err, "%s(%s): %s failed", cap, AUDIO_FUNC, efunc);
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return -1; |
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} |
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int audio_pt_fini (struct audio_pt *p, const char *cap) |
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{ |
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int err, ret = 0; |
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err = pthread_cond_destroy (&p->cond); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_cond_destroy failed", cap, AUDIO_FUNC);
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ret = -1;
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} |
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err = pthread_mutex_destroy (&p->mutex); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_mutex_destroy failed", cap, AUDIO_FUNC);
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ret = -1;
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} |
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return ret;
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} |
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int audio_pt_lock (struct audio_pt *p, const char *cap) |
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{ |
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int err;
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err = pthread_mutex_lock (&p->mutex); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_mutex_lock failed", cap, AUDIO_FUNC);
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return -1; |
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} |
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return 0; |
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} |
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int audio_pt_unlock (struct audio_pt *p, const char *cap) |
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{ |
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int err;
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err = pthread_mutex_unlock (&p->mutex); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_mutex_unlock failed", cap, AUDIO_FUNC);
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return -1; |
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} |
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return 0; |
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} |
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int audio_pt_wait (struct audio_pt *p, const char *cap) |
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{ |
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int err;
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err = pthread_cond_wait (&p->cond, &p->mutex); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_cond_wait failed", cap, AUDIO_FUNC);
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return -1; |
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} |
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return 0; |
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} |
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int audio_pt_unlock_and_signal (struct audio_pt *p, const char *cap) |
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{ |
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int err;
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err = pthread_mutex_unlock (&p->mutex); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_mutex_unlock failed", cap, AUDIO_FUNC);
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return -1; |
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} |
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err = pthread_cond_signal (&p->cond); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_cond_signal failed", cap, AUDIO_FUNC);
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return -1; |
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} |
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return 0; |
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} |
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int audio_pt_join (struct audio_pt *p, void **arg, const char *cap) |
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{ |
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int err;
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void *ret;
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err = pthread_join (p->thread, &ret); |
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if (err) {
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logerr (p, err, "%s(%s): pthread_join failed", cap, AUDIO_FUNC);
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return -1; |
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} |
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*arg = ret; |
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return 0; |
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} |