static void gx_devthread(void *a)
{
unsigned i;
while (!gx_stop_dev_thread)
{
slock_lock(gx_device_mutex);
for (i = 0; i < GX_DEVICE_END; i++)
{
if (gx_devices[i].mounted)
{
if (!gx_devices[i].interface->isInserted())
{
char n[8];
gx_devices[i].mounted = false;
snprintf(n, sizeof(n), "%s:", gx_devices[i].name);
fatUnmount(n);
}
}
else if (gx_devices[i].interface->startup() && gx_devices[i].interface->isInserted())
gx_devices[i].mounted = fatMountSimple(gx_devices[i].name, gx_devices[i].interface);
}
slock_unlock(gx_device_mutex);
slock_lock(gx_device_cond_mutex);
scond_wait_timeout(gx_device_cond, gx_device_cond_mutex, 1000000);
slock_unlock(gx_device_cond_mutex);
}
}
/**
* autosave_thread:
* @data : pointer to autosave object
*
* Callback function for (threaded) autosave.
**/
static void autosave_thread(void *data)
{
bool first_log = true;
autosave_t *save = (autosave_t*)data;
while (!save->quit)
{
bool differ;
autosave_lock(save);
differ = memcmp(save->buffer, save->retro_buffer,
save->bufsize) != 0;
if (differ)
memcpy(save->buffer, save->retro_buffer, save->bufsize);
autosave_unlock(save);
if (differ)
{
/* Should probably deal with this more elegantly. */
FILE *file = fopen(save->path, "wb");
if (file)
{
bool failed = false;
/* Avoid spamming down stderr ... */
if (first_log)
{
RARCH_LOG("Autosaving SRAM to \"%s\", will continue to check every %u seconds ...\n",
save->path, save->interval);
first_log = false;
}
else
RARCH_LOG("SRAM changed ... autosaving ...\n");
failed |= fwrite(save->buffer, 1, save->bufsize, file)
!= save->bufsize;
failed |= fflush(file) != 0;
failed |= fclose(file) != 0;
if (failed)
RARCH_WARN("Failed to autosave SRAM. Disk might be full.\n");
}
}
slock_lock(save->cond_lock);
if (!save->quit)
scond_wait_timeout(save->cond, save->cond_lock,
save->interval * 1000000LL);
slock_unlock(save->cond_lock);
}
}
static ssize_t coreaudio_write(void *data, const void *buf_, size_t size,
bool is_perfcnt_enable)
{
coreaudio_t *dev = (coreaudio_t*)data;
const uint8_t *buf = (const uint8_t*)buf_;
size_t written = 0;
while (!g_interrupted && size > 0)
{
size_t write_avail;
slock_lock(dev->lock);
write_avail = fifo_write_avail(dev->buffer);
if (write_avail > size)
write_avail = size;
fifo_write(dev->buffer, buf, write_avail);
buf += write_avail;
written += write_avail;
size -= write_avail;
if (dev->nonblock)
{
slock_unlock(dev->lock);
break;
}
#if TARGET_OS_IPHONE
if (write_avail == 0 && !scond_wait_timeout(
dev->cond, dev->lock, 3000000))
g_interrupted = true;
#else
if (write_avail == 0)
scond_wait(dev->cond, dev->lock);
#endif
slock_unlock(dev->lock);
}
return written;
}
static bool thread_frame(void *data, const void *frame_,
unsigned width, unsigned height, unsigned pitch, const char *msg)
{
unsigned copy_stride;
const uint8_t *src = NULL;
uint8_t *dst = NULL;
thread_video_t *thr = (thread_video_t*)data;
/* If called from within read_viewport, we're actually in the
* driver thread, so just render directly. */
if (thr->frame.within_thread)
{
thread_update_driver_state(thr);
if (thr->driver && thr->driver->frame)
return thr->driver->frame(thr->driver_data, frame_,
width, height, pitch, msg);
return false;
}
RARCH_PERFORMANCE_INIT(thr_frame);
RARCH_PERFORMANCE_START(thr_frame);
copy_stride = width * (thr->info.rgb32
? sizeof(uint32_t) : sizeof(uint16_t));
src = (const uint8_t*)frame_;
dst = thr->frame.buffer;
slock_lock(thr->lock);
if (!thr->nonblock)
{
settings_t *settings = config_get_ptr();
retro_time_t target_frame_time = (retro_time_t)
roundf(1000000 / settings->video.refresh_rate);
retro_time_t target = thr->last_time + target_frame_time;
/* Ideally, use absolute time, but that is only a good idea on POSIX. */
while (thr->frame.updated)
{
retro_time_t current = rarch_get_time_usec();
retro_time_t delta = target - current;
if (delta <= 0)
break;
if (!scond_wait_timeout(thr->cond_cmd, thr->lock, delta))
break;
}
}
/* Drop frame if updated flag is still set, as thread is
* still working on last frame. */
if (!thr->frame.updated)
{
if (src)
{
unsigned h;
for (h = 0; h < height; h++, src += pitch, dst += copy_stride)
memcpy(dst, src, copy_stride);
}
thr->frame.updated = true;
thr->frame.width = width;
thr->frame.height = height;
thr->frame.pitch = copy_stride;
if (msg)
strlcpy(thr->frame.msg, msg, sizeof(thr->frame.msg));
else
*thr->frame.msg = '\0';
scond_signal(thr->cond_thread);
#if defined(HAVE_MENU)
if (thr->texture.enable)
{
while (thr->frame.updated)
scond_wait(thr->cond_cmd, thr->lock);
}
#endif
thr->hit_count++;
}
else
thr->miss_count++;
slock_unlock(thr->lock);
RARCH_PERFORMANCE_STOP(thr_frame);
thr->last_time = rarch_get_time_usec();
return true;
}
static bool thread_frame(void *data, const void *frame_,
unsigned width, unsigned height, unsigned pitch, const char *msg)
{
RARCH_PERFORMANCE_INIT(thread_frame);
RARCH_PERFORMANCE_START(thread_frame);
thread_video_t *thr = (thread_video_t*)data;
unsigned copy_stride = width * (thr->info.rgb32 ? sizeof(uint32_t) : sizeof(uint16_t));
const uint8_t *src = (const uint8_t*)frame_;
uint8_t *dst = thr->frame.buffer;
slock_lock(thr->lock);
// scond_wait_timeout cannot be implemented on consoles.
#ifndef RARCH_CONSOLE
if (!thr->nonblock)
{
retro_time_t target = thr->last_time + thr->target_frame_time;
// Ideally, use absolute time, but that is only a good idea on POSIX.
while (thr->frame.updated)
{
retro_time_t current = rarch_get_time_usec();
retro_time_t delta = target - current;
if (delta <= 0)
break;
if (!scond_wait_timeout(thr->cond_cmd, thr->lock, delta))
break;
}
}
#endif
// Drop frame if updated flag is still set, as thread is still working on last frame.
if (!thr->frame.updated)
{
if (src)
{
unsigned h;
for (h = 0; h < height; h++, src += pitch, dst += copy_stride)
memcpy(dst, src, copy_stride);
}
thr->frame.updated = true;
thr->frame.width = width;
thr->frame.height = height;
thr->frame.pitch = copy_stride;
if (msg)
strlcpy(thr->frame.msg, msg, sizeof(thr->frame.msg));
else
*thr->frame.msg = '\0';
scond_signal(thr->cond_thread);
#if defined(HAVE_MENU)
if (thr->texture.enable)
{
while (thr->frame.updated)
scond_wait(thr->cond_cmd, thr->lock);
}
#endif
thr->hit_count++;
}
else
thr->miss_count++;
slock_unlock(thr->lock);
RARCH_PERFORMANCE_STOP(thread_frame);
thr->last_time = rarch_get_time_usec();
return true;
}
