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Support dl-object cache

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Added the support of dl-object caches for PCM plugins.
This commit is contained in:
Takashi Iwai 2005-02-14 15:09:09 +00:00
parent 08fc630594
commit d8f7de1b16
5 changed files with 93 additions and 3 deletions
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16
src/pcm/pcm.c
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@ -2019,6 +2019,11 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
#ifndef PIC
snd_pcm_open_symbols(); /* this call is for static linking only */
#endif
open_func = snd_dlobj_cache_lookup(open_name);
if (open_func) {
err = 0;
goto _err;
}
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_PCM_DLSYM_VERSION));
@ -2032,17 +2037,22 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
err = -ENXIO;
}
_err:
if (type_conf)
snd_config_delete(type_conf);
if (err >= 0) {
err = open_func(pcmp, name, pcm_root, pcm_conf, stream, mode);
if (err >= 0) {
if (h /*&& (mode & SND_PCM_KEEP_ALIVE)*/) {
snd_dlobj_cache_add(open_name, h, open_func);
h = NULL;
}
(*pcmp)->dl_handle = h;
err = 0;
} else {
snd_dlclose(h);
if (h)
snd_dlclose(h);
}
}
if (type_conf)
snd_config_delete(type_conf);
if (buf)
free(buf);
if (buf1)