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output/solaris: migrate from class Error to C++ exceptions

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This commit is contained in:
Max Kellermann 2016-11-09 11:18:19 +01:00
parent 9dbdc75689
commit dd072912e8
1 changed files with 17 additions and 28 deletions
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45
src/output/plugins/SolarisOutputPlugin.cxx
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@ -21,7 +21,7 @@
#include "SolarisOutputPlugin.hxx"
#include "../OutputAPI.hxx"
#include "system/fd_util.h"
#include "util/Error.hxx"
#include "system/Error.hxx"
#include <sys/stropts.h>
#include <sys/types.h>
@ -53,12 +53,13 @@ struct SolarisOutput {
AudioOutput base;
/* configuration */
const char *device;
const char *const device;
int fd;
SolarisOutput()
:base(solaris_output_plugin) {}
explicit SolarisOutput(const ConfigBlock &block)
:base(solaris_output_plugin, block),
device(block.GetBlockValue("device", "/dev/audio")) {}
bool Initialize(const ConfigBlock &block, Error &error_r) {
return base.Configure(block, error_r);
@ -75,16 +76,9 @@ solaris_output_test_default_device(void)
}
static AudioOutput *
solaris_output_init(const ConfigBlock &block, Error &error_r)
solaris_output_init(const ConfigBlock &block, Error &)
{
SolarisOutput *so = new SolarisOutput();
if (!so->Initialize(block, error_r)) {
delete so;
return nullptr;
}
so->device = block.GetBlockValue("device", "/dev/audio");
SolarisOutput *so = new SolarisOutput(block);
return &so->base;
}
@ -97,8 +91,7 @@ solaris_output_finish(AudioOutput *ao)
}
static bool
solaris_output_open(AudioOutput *ao, AudioFormat &audio_format,
Error &error)
solaris_output_open(AudioOutput *ao, AudioFormat &audio_format, Error &)
{
SolarisOutput *so = (SolarisOutput *)ao;
struct audio_info info;
@ -111,11 +104,9 @@ solaris_output_open(AudioOutput *ao, AudioFormat &audio_format,
/* open the device in non-blocking mode */
so->fd = open_cloexec(so->device, O_WRONLY|O_NONBLOCK, 0);
if (so->fd < 0) {
error.FormatErrno("Failed to open %s",
if (so->fd < 0)
throw FormatErrno("Failed to open %s",
so->device);
return false;
}
/* restore blocking mode */
@ -127,9 +118,9 @@ solaris_output_open(AudioOutput *ao, AudioFormat &audio_format,
ret = ioctl(so->fd, AUDIO_GETINFO, &info);
if (ret < 0) {
error.SetErrno("AUDIO_GETINFO failed");
const int e = errno;
close(so->fd);
return false;
throw MakeErrno(e, "AUDIO_GETINFO failed");
}
info.play.sample_rate = audio_format.sample_rate;
@ -139,9 +130,9 @@ solaris_output_open(AudioOutput *ao, AudioFormat &audio_format,
ret = ioctl(so->fd, AUDIO_SETINFO, &info);
if (ret < 0) {
error.SetErrno("AUDIO_SETINFO failed");
const int e = errno;
close(so->fd);
return false;
throw MakeErrno(e, "AUDIO_SETINFO failed");
}
return true;
@ -157,16 +148,14 @@ solaris_output_close(AudioOutput *ao)
static size_t
solaris_output_play(AudioOutput *ao, const void *chunk, size_t size,
Error &error)
Error &)
{
SolarisOutput *so = (SolarisOutput *)ao;
ssize_t nbytes;
nbytes = write(so->fd, chunk, size);
if (nbytes <= 0) {
error.SetErrno("Write failed");
return 0;
}
if (nbytes <= 0)
throw MakeErrno("Write failed");
return nbytes;
}