1
#include "qemu-common.h"
4
#define AUDIO_CAP "audio-pt"
7
#include "audio_pt_int.h"
9
static void GCC_FMT_ATTR(3, 4) logerr (struct audio_pt *pt, int err,
15
AUD_vlog (pt->drv, fmt, ap);
19
AUD_log (pt->drv, "Reason: %s\n", strerror (err));
22
int audio_pt_init (struct audio_pt *p, void *(*func) (void *),
23
void *opaque, const char *drv, const char *cap)
27
sigset_t set, old_set;
31
err = sigfillset (&set);
33
logerr (p, errno, "%s(%s): sigfillset failed", cap, AUDIO_FUNC);
37
err = pthread_mutex_init (&p->mutex, NULL);
39
efunc = "pthread_mutex_init";
43
err = pthread_cond_init (&p->cond, NULL);
45
efunc = "pthread_cond_init";
49
err = pthread_sigmask (SIG_BLOCK, &set, &old_set);
51
efunc = "pthread_sigmask";
55
err = pthread_create (&p->thread, NULL, func, opaque);
57
err2 = pthread_sigmask (SIG_SETMASK, &old_set, NULL);
59
logerr (p, err2, "%s(%s): pthread_sigmask (restore) failed",
61
/* We have failed to restore original signal mask, all bets are off,
62
so terminate the process */
67
efunc = "pthread_create";
74
err2 = pthread_cond_destroy (&p->cond);
76
logerr (p, err2, "%s(%s): pthread_cond_destroy failed", cap, AUDIO_FUNC);
80
err2 = pthread_mutex_destroy (&p->mutex);
82
logerr (p, err2, "%s(%s): pthread_mutex_destroy failed", cap, AUDIO_FUNC);
86
logerr (p, err, "%s(%s): %s failed", cap, AUDIO_FUNC, efunc);
90
int audio_pt_fini (struct audio_pt *p, const char *cap)
94
err = pthread_cond_destroy (&p->cond);
96
logerr (p, err, "%s(%s): pthread_cond_destroy failed", cap, AUDIO_FUNC);
100
err = pthread_mutex_destroy (&p->mutex);
102
logerr (p, err, "%s(%s): pthread_mutex_destroy failed", cap, AUDIO_FUNC);
108
int audio_pt_lock (struct audio_pt *p, const char *cap)
112
err = pthread_mutex_lock (&p->mutex);
114
logerr (p, err, "%s(%s): pthread_mutex_lock failed", cap, AUDIO_FUNC);
120
int audio_pt_unlock (struct audio_pt *p, const char *cap)
124
err = pthread_mutex_unlock (&p->mutex);
126
logerr (p, err, "%s(%s): pthread_mutex_unlock failed", cap, AUDIO_FUNC);
132
int audio_pt_wait (struct audio_pt *p, const char *cap)
136
err = pthread_cond_wait (&p->cond, &p->mutex);
138
logerr (p, err, "%s(%s): pthread_cond_wait failed", cap, AUDIO_FUNC);
144
int audio_pt_unlock_and_signal (struct audio_pt *p, const char *cap)
148
err = pthread_mutex_unlock (&p->mutex);
150
logerr (p, err, "%s(%s): pthread_mutex_unlock failed", cap, AUDIO_FUNC);
153
err = pthread_cond_signal (&p->cond);
155
logerr (p, err, "%s(%s): pthread_cond_signal failed", cap, AUDIO_FUNC);
161
int audio_pt_join (struct audio_pt *p, void **arg, const char *cap)
166
err = pthread_join (p->thread, &ret);
168
logerr (p, err, "%s(%s): pthread_join failed", cap, AUDIO_FUNC);