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67 lines
922 B
67 lines
922 B
9 years ago
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#include "event_queue.h"
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#include "com/debug.h"
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/** Task queue */
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static CircBuf *tq;
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/** Event queue */
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static CircBuf *eq;
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void queues_init(size_t tq_size, size_t eq_size)
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{
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tq = cbuf_create(tq_size, sizeof(QueuedTask));
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eq = cbuf_create(eq_size, sizeof(Event));
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}
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bool tq_post(void (*handler)(void*), void *arg)
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{
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QueuedTask task;
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task.handler = handler;
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task.arg = arg;
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bool suc = cbuf_append(tq, &task);
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if (!suc) error("TQ overflow");
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return suc;
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}
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bool eq_post(const Event *event)
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{
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bool suc = cbuf_append(eq, event);
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if (!suc) {
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error("EQ overflow, evt %d", event->type);
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}
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return suc;
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}
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bool tq_poll_one(void)
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{
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QueuedTask task;
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// serve all tasks
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bool suc = cbuf_pop(tq, &task);
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if (suc) {
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task.handler(task.arg);
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}
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return suc;
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}
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void tq_poll(void)
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{
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// serve all tasks
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while (tq_poll_one());
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}
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bool eq_take(Event *dest)
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{
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bool suc = cbuf_pop(eq, dest);
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return suc;
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}
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