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Begin with experimental threading implementation of data runloop

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This commit is contained in:
twinaphex 2015-03-18 22:11:53 +01:00
parent 7be7a41532
commit b6bf600393
1 changed files with 88 additions and 13 deletions
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101
runloop_data.c
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@ -18,6 +18,10 @@
#include "general.h"
#include "input/input_overlay.h"
#ifdef HAVE_THREADS
#include <rthreads/rthreads.h>
#endif
typedef int (*transfer_cb_t )(void *data, size_t len);
#ifdef HAVE_NETWORKING
@ -85,6 +89,16 @@ typedef struct data_runloop
nbio_handle_t nbio;
bool inited;
#ifdef HAVE_THREADS
bool thread_inited;
bool thread_quit;
slock_t *lock;
slock_t *cond_lock;
scond_t *cond;
sthread_t *thread;
#endif
} data_runloop_t;
struct data_runloop g_data_runloop;
@ -724,10 +738,61 @@ static void rarch_main_data_overlay_iterate(void)
static void rarch_main_data_deinit(void)
{
if (!g_data_runloop.inited)
data_runloop_t *runloop = &g_data_runloop;
if (!runloop->inited)
return;
g_data_runloop.inited = false;
#ifdef HAVE_THREADS
if (runloop->thread_inited)
{
slock_lock(runloop->cond_lock);
runloop->thread_quit = true;
slock_unlock(runloop->cond_lock);
scond_signal(runloop->cond);
sthread_join(runloop->thread);
slock_free(runloop->lock);
slock_free(runloop->cond_lock);
scond_free(runloop->cond);
}
#endif
runloop->inited = false;
}
static void data_runloop_iterate(data_runloop_t *runloop)
{
#ifdef HAVE_OVERLAY
rarch_main_data_overlay_iterate();
#endif
rarch_main_data_nbio_iterate(&runloop->nbio);
#ifdef HAVE_NETWORKING
rarch_main_data_http_iterate(&runloop->http);
#endif
rarch_main_data_db_iterate();
}
#ifdef HAVE_THREADS
static void data_thread_loop(void *data)
{
data_runloop_t *runloop = (data_runloop_t*)data;
while (!runloop->thread_quit)
{
slock_lock(runloop->lock);
data_runloop_iterate(runloop);
slock_unlock(runloop->lock);
}
}
#endif
void rarch_main_data_iterate(void)
{
if (g_data_runloop.thread_inited)
return;
data_runloop_iterate(&g_data_runloop);
}
static void rarch_main_data_init(void)
@ -737,7 +802,28 @@ static void rarch_main_data_init(void)
memset(&g_data_runloop, 0, sizeof(g_data_runloop));
#ifdef HAVE_THREADS
if (g_settings.menu.threaded_data_runloop_enable)
{
if ((g_data_runloop.thread = sthread_create(data_thread_loop, &g_data_runloop)))
{
g_data_runloop.lock = slock_new();
g_data_runloop.cond_lock = slock_new();
g_data_runloop.cond = scond_new();
}
else
g_data_runloop.thread = NULL;
}
#endif
#ifdef HAVE_THREADS
g_data_runloop.thread_inited = (g_data_runloop.thread != NULL);
#else
g_data_runloop.thread_inited = false;
g_data_runloop.thread_quit = false;
#endif
g_data_runloop.inited = true;
}
void rarch_main_data_clear_state(void)
@ -796,14 +882,3 @@ void rarch_main_data_msg_queue_push(unsigned type,
msg_queue_push(queue, new_msg, prio, duration);
}
void rarch_main_data_iterate(void)
{
#ifdef HAVE_OVERLAY
rarch_main_data_overlay_iterate();
#endif
rarch_main_data_nbio_iterate(&g_data_runloop.nbio);
#ifdef HAVE_NETWORKING
rarch_main_data_http_iterate(&g_data_runloop.http);
#endif
rarch_main_data_db_iterate();
}