From 2bb0cfbf8137e02cc32aae3b36f85ef7300e8936 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sat, 9 Jun 2018 14:29:41 +0300
Subject: Split UVC gadget into a library and test application

Split the project into a UVC gadget library and a test application. To
avoid rolling out a custom build system, switch to CMake.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 events.c | 183 ---------------------------------------------------------------
 1 file changed, 183 deletions(-)
 delete mode 100644 events.c

(limited to 'events.c')

diff --git a/events.c b/events.c
deleted file mode 100644
index 6840c19..0000000
--- a/events.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Generic Event Handling
- *
- * Copyright (C) 2018 Laurent Pinchart
- *
- * This file comes from the omap3-isp-live project
- * (git://git.ideasonboard.org/omap3-isp-live.git)
- *
- * Copyright (C) 2010-2011 Ideas on board SPRL
- *
- * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- */
-
-#define _DEFAULT_SOURCE
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/select.h>
-
-#include "events.h"
-#include "list.h"
-#include "tools.h"
-
-#define SELECT_TIMEOUT		2000		/* in milliseconds */
-
-struct event_fd {
-	struct list_entry list;
-
-	int fd;
-	enum event_type type;
-	void (*callback)(void *priv);
-	void *priv;
-};
-
-void events_watch_fd(struct events *events, int fd, enum event_type type,
-		     void(*callback)(void *), void *priv)
-{
-	struct event_fd *event;
-
-	event = malloc(sizeof *event);
-	if (event == NULL)
-		return;
-
-	event->fd = fd;
-	event->type = type;
-	event->callback = callback;
-	event->priv = priv;
-
-	switch (event->type) {
-	case EVENT_READ:
-		FD_SET(fd, &events->rfds);
-		break;
-	case EVENT_WRITE:
-		FD_SET(fd, &events->wfds);
-		break;
-	case EVENT_EXCEPTION:
-		FD_SET(fd, &events->efds);
-		break;
-	}
-
-	events->maxfd = max(events->maxfd, fd);
-
-	list_append(&event->list, &events->events);
-}
-
-void events_unwatch_fd(struct events *events, int fd, enum event_type type)
-{
-	struct event_fd *event = NULL;
-	struct event_fd *entry;
-	int maxfd = 0;
-
-	list_for_each_entry(entry, &events->events, list) {
-		if (entry->fd == fd && entry->type == type)
-			event = entry;
-		else
-			maxfd = max(maxfd, entry->fd);
-	}
-
-	if (event == NULL)
-		return;
-
-	switch (event->type) {
-	case EVENT_READ:
-		FD_CLR(fd, &events->rfds);
-		break;
-	case EVENT_WRITE:
-		FD_CLR(fd, &events->wfds);
-		break;
-	case EVENT_EXCEPTION:
-		FD_CLR(fd, &events->efds);
-		break;
-	}
-
-	events->maxfd = maxfd;
-
-	list_remove(&event->list);
-	free(event);
-}
-
-static void events_dispatch(struct events *events, const fd_set *rfds,
-			    const fd_set *wfds, const fd_set *efds)
-{
-	struct event_fd *event;
-	struct event_fd *next;
-
-	list_for_each_entry_safe(event, next, &events->events, list) {
-		if (event->type == EVENT_READ &&
-		    FD_ISSET(event->fd, rfds))
-			event->callback(event->priv);
-		else if (event->type == EVENT_WRITE &&
-			 FD_ISSET(event->fd, wfds))
-			event->callback(event->priv);
-		else if (event->type == EVENT_EXCEPTION &&
-			 FD_ISSET(event->fd, efds))
-			event->callback(event->priv);
-
-		/* If the callback stopped events processing, we're done. */
-		if (events->done)
-			break;
-	}
-}
-
-bool events_loop(struct events *events)
-{
-	events->done = false;
-
-	while (!events->done) {
-		fd_set rfds;
-		fd_set wfds;
-		fd_set efds;
-		int ret;
-
-		rfds = events->rfds;
-		wfds = events->wfds;
-		efds = events->efds;
-
-		ret = select(events->maxfd + 1, &rfds, &wfds, &efds, NULL);
-		if (ret < 0) {
-			/* EINTR means that a signal has been received, continue
-			 * to the next iteration in that case.
-			 */
-			if (errno == EINTR)
-				continue;
-
-			printf("error: select failed with %d\n", errno);
-			break;
-		}
-
-		events_dispatch(events, &rfds, &wfds, &efds);
-	}
-
-	return !events->done;
-}
-
-void events_stop(struct events *events)
-{
-	events->done = true;
-}
-
-void events_init(struct events *events)
-{
-	memset(events, 0, sizeof *events);
-
-	FD_ZERO(&events->rfds);
-	FD_ZERO(&events->wfds);
-	FD_ZERO(&events->efds);
-	events->maxfd = 0;
-	list_init(&events->events);
-}
-
-void events_cleanup(struct events *events)
-{
-	while (!list_empty(&events->events)) {
-		struct event_fd *event;
-
-		event = list_first_entry(&events->events, typeof(*event), list);
-		list_remove(&event->list);
-		free(event);
-	}
-}
-- 
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