*参照元 [#g0ced083] #backlinks *説明 [#pea01480] -パス: [[linux-2.6.33/sound/core/pcm_native.c]] -FIXME: これは何? --説明 **引数 [#wfb1b72b] -struct action_ops *ops -- --[[linux-2.6.33/action_ops]] -struct snd_pcm_substream *substream -- --[[linux-2.6.33/snd_pcm_substream]] -int state -- **返り値 [#x5ffe4e0] -int -- **参考 [#gdd997a3] *実装 [#q16cd553] /* * Note: call with stream lock */ static int snd_pcm_action(struct action_ops *ops, struct snd_pcm_substream *substream, int state) { int res; if (snd_pcm_stream_linked(substream)) { - --[[linux-2.6.33/snd_pcm_stream_linked()]] if (!spin_trylock(&substream->group->lock)) { spin_unlock(&substream->self_group.lock); spin_lock(&substream->group->lock); spin_lock(&substream->self_group.lock); } res = snd_pcm_action_group(ops, substream, state, 1); spin_unlock(&substream->group->lock); - --[[linux-2.6.33/snd_pcm_action_group()]] - --[[linux-2.6.33/spin_trylock()]] - --[[linux-2.6.33/spin_lock()]] - --[[linux-2.6.33/spin_unlock()]] } else { res = snd_pcm_action_single(ops, substream, state); } - --[[linux-2.6.33/snd_pcm_action_single()]] return res; } *コメント [#w0e30baf]