Support PCI based option rom loading
[qemu.git] / audio / audio_pt_int.c
blobe889a983b1f91b89b86bf25ac8af891bc16eb30b
1 #include "qemu-common.h"
2 #include "audio.h"
4 #define AUDIO_CAP "audio-pt"
6 #include "audio_int.h"
7 #include "audio_pt_int.h"
9 static void logerr (struct audio_pt *pt, int err, const char *fmt, ...)
11 va_list ap;
13 va_start (ap, fmt);
14 AUD_vlog (pt->drv, fmt, ap);
15 va_end (ap);
17 AUD_log (NULL, "\n");
18 AUD_log (pt->drv, "Reason: %s\n", strerror (err));
21 int audio_pt_init (struct audio_pt *p, void *(*func) (void *),
22 void *opaque, const char *drv, const char *cap)
24 int err, err2;
25 const char *efunc;
27 p->drv = drv;
29 err = pthread_mutex_init (&p->mutex, NULL);
30 if (err) {
31 efunc = "pthread_mutex_init";
32 goto err0;
35 err = pthread_cond_init (&p->cond, NULL);
36 if (err) {
37 efunc = "pthread_cond_init";
38 goto err1;
41 err = pthread_create (&p->thread, NULL, func, opaque);
42 if (err) {
43 efunc = "pthread_create";
44 goto err2;
47 return 0;
49 err2:
50 err2 = pthread_cond_destroy (&p->cond);
51 if (err2) {
52 logerr (p, err2, "%s(%s): pthread_cond_destroy failed", cap, AUDIO_FUNC);
55 err1:
56 err2 = pthread_mutex_destroy (&p->mutex);
57 if (err2) {
58 logerr (p, err2, "%s(%s): pthread_mutex_destroy failed", cap, AUDIO_FUNC);
61 err0:
62 logerr (p, err, "%s(%s): %s failed", cap, AUDIO_FUNC, efunc);
63 return -1;
66 int audio_pt_fini (struct audio_pt *p, const char *cap)
68 int err, ret = 0;
70 err = pthread_cond_destroy (&p->cond);
71 if (err) {
72 logerr (p, err, "%s(%s): pthread_cond_destroy failed", cap, AUDIO_FUNC);
73 ret = -1;
76 err = pthread_mutex_destroy (&p->mutex);
77 if (err) {
78 logerr (p, err, "%s(%s): pthread_mutex_destroy failed", cap, AUDIO_FUNC);
79 ret = -1;
81 return ret;
84 int audio_pt_lock (struct audio_pt *p, const char *cap)
86 int err;
88 err = pthread_mutex_lock (&p->mutex);
89 if (err) {
90 logerr (p, err, "%s(%s): pthread_mutex_lock failed", cap, AUDIO_FUNC);
91 return -1;
93 return 0;
96 int audio_pt_unlock (struct audio_pt *p, const char *cap)
98 int err;
100 err = pthread_mutex_unlock (&p->mutex);
101 if (err) {
102 logerr (p, err, "%s(%s): pthread_mutex_unlock failed", cap, AUDIO_FUNC);
103 return -1;
105 return 0;
108 int audio_pt_wait (struct audio_pt *p, const char *cap)
110 int err;
112 err = pthread_cond_wait (&p->cond, &p->mutex);
113 if (err) {
114 logerr (p, err, "%s(%s): pthread_cond_wait failed", cap, AUDIO_FUNC);
115 return -1;
117 return 0;
120 int audio_pt_unlock_and_signal (struct audio_pt *p, const char *cap)
122 int err;
124 err = pthread_mutex_unlock (&p->mutex);
125 if (err) {
126 logerr (p, err, "%s(%s): pthread_mutex_unlock failed", cap, AUDIO_FUNC);
127 return -1;
129 err = pthread_cond_signal (&p->cond);
130 if (err) {
131 logerr (p, err, "%s(%s): pthread_cond_signal failed", cap, AUDIO_FUNC);
132 return -1;
134 return 0;
137 int audio_pt_join (struct audio_pt *p, void **arg, const char *cap)
139 int err;
140 void *ret;
142 err = pthread_join (p->thread, &ret);
143 if (err) {
144 logerr (p, err, "%s(%s): pthread_join failed", cap, AUDIO_FUNC);
145 return -1;
147 *arg = ret;
148 return 0;