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mixer/alsa: use AllocatedArray for the pollfd buffer

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This commit is contained in:
Max Kellermann
2013-08-07 18:55:00 +02:00
parent 953e3190ca
commit 123dd5fe2d
1 changed files with 5 additions and 3 deletions
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8
src/mixer/AlsaMixerPlugin.cxx
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@@ -23,6 +23,7 @@
#include "GlobalEvents.hxx"
#include "Main.hxx"
#include "event/MultiSocketMonitor.hxx"
#include "util/ReusableArray.hxx"
#include <algorithm>
@@ -36,6 +37,8 @@ static constexpr unsigned VOLUME_MIXER_ALSA_INDEX_DEFAULT = 0;
class AlsaMixerMonitor final : private MultiSocketMonitor {
snd_mixer_t *const mixer;
ReusableArray<pollfd> pfd_buffer;
public:
AlsaMixerMonitor(EventLoop &_loop, snd_mixer_t *_mixer)
:MultiSocketMonitor(_loop), mixer(_mixer) {}
@@ -87,7 +90,8 @@ AlsaMixerMonitor::PrepareSockets(gcc_unused gint *timeout_r)
if (count < 0)
count = 0;
struct pollfd *pfds = g_new(struct pollfd, count);
struct pollfd *pfds = pfd_buffer.Get(count);
count = snd_mixer_poll_descriptors(mixer, pfds, count);
if (count < 0)
count = 0;
@@ -109,8 +113,6 @@ AlsaMixerMonitor::PrepareSockets(gcc_unused gint *timeout_r)
for (auto i = pfds; i != end; ++i)
if (i->events != 0)
AddSocket(i->fd, i->events);
g_free(pfds);
}
void