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(nbio interface) Don't immediately free data buffer of nbio handle -

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in the case of images we need to retain this data buffer until it's
time to free it. We set nbio_handle->is_blocking to true to indicate
to the nbio interface that we want to 'block' on the nbio interface
(i.e. don't free, iterate or create a new nbio transfer). If
nbio_handle->is_finished is set to true, we cleanup and free the
nbio transfer handle.
This commit is contained in:
twinaphex 2015-02-22 08:24:10 +01:00
parent 07c7a0df99
commit b673321322
2 changed files with 27 additions and 7 deletions
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2
general.h
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@ -594,6 +594,8 @@ struct global
struct
{
bool is_blocking;
bool is_finished;
transfer_cb_t cb;
struct nbio_t *handle;
msg_queue_t *msg_queue;

32
runloop.c
View File

@ -888,6 +888,21 @@ static int rarch_main_iterate_nbio_transfer(void)
return 0;
}
static int rarch_main_iterate_nbio_parse_free(void)
{
if (!g_extern.nbio.is_finished)
return -1;
nbio_free(g_extern.nbio.handle);
g_extern.nbio.handle = NULL;
g_extern.nbio.is_blocking = false;
g_extern.nbio.is_finished = false;
msg_queue_clear(g_extern.nbio.msg_queue);
return 0;
}
static int rarch_main_iterate_nbio_parse(void)
{
size_t len;
@ -896,11 +911,6 @@ static int rarch_main_iterate_nbio_parse(void)
if (data && g_extern.nbio.cb)
g_extern.nbio.cb(data, len);
nbio_free(g_extern.nbio.handle);
g_extern.nbio.handle = NULL;
msg_queue_clear(g_extern.nbio.msg_queue);
return 0;
}
@ -1026,6 +1036,9 @@ static int cb_nbio_default(void *data, size_t len)
(void)data;
(void)len;
g_extern.nbio.is_blocking = false;
g_extern.nbio.is_finished = true;
return 0;
}
@ -1211,8 +1224,13 @@ int rarch_main_iterate(void)
if (g_extern.nbio.handle)
{
if (!rarch_main_iterate_nbio_transfer())
rarch_main_iterate_nbio_parse();
if (!g_extern.nbio.is_blocking)
{
if (!rarch_main_iterate_nbio_transfer())
rarch_main_iterate_nbio_parse();
}
else if (g_extern.nbio.is_finished)
rarch_main_iterate_nbio_parse_free();
}
else
rarch_main_iterate_nbio_poll();