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-rw-r--r--src/io_thread.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/io_thread.c b/src/io_thread.c
index 0942f9a40..a2249ae95 100644
--- a/src/io_thread.c
+++ b/src/io_thread.c
@@ -18,10 +18,14 @@
*/
#include "io_thread.h"
+#include "glib_compat.h"
#include <assert.h>
static struct {
+ GMutex *mutex;
+ GCond *cond;
+
GMainContext *context;
GMainLoop *loop;
GThread *thread;
@@ -44,6 +48,8 @@ io_thread_init(void)
assert(io.loop == NULL);
assert(io.thread == NULL);
+ io.mutex = g_mutex_new();
+ io.cond = g_cond_new();
io.context = g_main_context_new();
io.loop = g_main_loop_new(io.context, false);
}
@@ -77,6 +83,9 @@ io_thread_deinit(void)
if (io.context != NULL)
g_main_context_unref(io.context);
+
+ g_cond_free(io.cond);
+ g_mutex_free(io.mutex);
}
GMainContext *
@@ -85,3 +94,65 @@ io_thread_context(void)
return io.context;
}
+guint
+io_thread_idle_add(GSourceFunc function, gpointer data)
+{
+ GSource *source = g_idle_source_new();
+ g_source_set_callback(source, function, data, NULL);
+ guint id = g_source_attach(source, io.context);
+ g_source_unref(source);
+ return id;
+}
+
+guint
+io_thread_timeout_add_seconds(guint interval,
+ GSourceFunc function, gpointer data)
+{
+ GSource *source = g_timeout_source_new_seconds(interval);
+ g_source_set_callback(source, function, data, NULL);
+ guint id = g_source_attach(source, io.context);
+ g_source_unref(source);
+ return id;
+}
+
+struct call_data {
+ GThreadFunc function;
+ gpointer data;
+ bool done;
+ gpointer result;
+};
+
+static gboolean
+io_thread_call_func(gpointer _data)
+{
+ struct call_data *data = _data;
+
+ gpointer result = data->function(data->data);
+
+ g_mutex_lock(io.mutex);
+ data->done = true;
+ data->result = result;
+ g_cond_broadcast(io.cond);
+ g_mutex_unlock(io.mutex);
+
+ return false;
+}
+
+gpointer
+io_thread_call(GThreadFunc function, gpointer _data)
+{
+ struct call_data data = {
+ .function = function,
+ .data = _data,
+ .done = false,
+ };
+
+ io_thread_idle_add(io_thread_call_func, &data);
+
+ g_mutex_lock(io.mutex);
+ while (!data.done)
+ g_cond_wait(io.cond, io.mutex);
+ g_mutex_unlock(io.mutex);
+
+ return data.result;
+}