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eventloop: loop_schedule_deferred()

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Generalize the "schedule schedule" technique.
This commit is contained in:
Justin M. Keyes 2017-09-03 14:31:38 +02:00
parent ff32bacb2e
commit c00a33ed19
2 changed files with 20 additions and 7 deletions
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9
src/nvim/aucmd.c
View File

@ -5,7 +5,6 @@
#include "nvim/fileio.h"
#include "nvim/vim.h"
#include "nvim/main.h"
#include "nvim/screen.h"
#include "nvim/ui.h"
#ifdef INCLUDE_GENERATED_DECLARATIONS
@ -18,16 +17,12 @@ static void focusgained_event(void **argv)
do_autocmd_focusgained(*gainedp);
xfree(gainedp);
}
static void schedule_event(void **argv)
{
bool *gainedp = argv[0];
multiqueue_put(main_loop.events, focusgained_event, 1, gainedp);
}
void aucmd_schedule_focusgained(bool gained)
{
bool *gainedp = xmalloc(sizeof(*gainedp));
*gainedp = gained;
loop_schedule(&main_loop, event_create(schedule_event, 1, gainedp));
loop_schedule_deferred(&main_loop,
event_create(focusgained_event, 1, gainedp));
}
static void do_autocmd_focusgained(bool gained)

18
src/nvim/event/loop.c
View File

@ -74,6 +74,24 @@ void loop_schedule(Loop *loop, Event event)
uv_mutex_unlock(&loop->mutex);
}
/// Schedules an event from another thread. Unlike loop_schedule(), the event
/// is forwarded to `Loop.events`, instead of being processed immediately.
///
/// @see loop_schedule
void loop_schedule_deferred(Loop *loop, Event event)
{
Event *eventp = xmalloc(sizeof(*eventp));
*eventp = event;
loop_schedule(loop, event_create(loop_deferred_event, 2, loop, eventp));
}
static void loop_deferred_event(void **argv)
{
Loop *loop = argv[0];
Event *eventp = argv[1];
multiqueue_put_event(loop->events, *eventp);
xfree(eventp);
}
void loop_on_put(MultiQueue *queue, void *data)
{
Loop *loop = data;