1 files changed, 0 insertions, 184 deletions
diff --git a/cras/src/server/cras_alert.c b/cras/src/server/cras_alert.c
deleted file mode 100644
index 9950ec11..00000000
--- a/cras/src/server/cras_alert.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <errno.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "cras_alert.h"
-#include "utlist.h"
-
-/* A list of callbacks for an alert */
-struct cras_alert_cb_list {
-	cras_alert_cb callback;
-	void *arg;
-	struct cras_alert_cb_list *prev, *next;
-};
-
-/* A list of data args to callbacks. Variable-length structure. */
-struct cras_alert_data {
-	struct cras_alert_data *prev, *next;
-	/* This field must be the last in this structure. */
-	char buf[];
-};
-
-struct cras_alert {
-	int pending;
-	unsigned int flags;
-	cras_alert_prepare prepare;
-	struct cras_alert_cb_list *callbacks;
-	struct cras_alert_data *data;
-	struct cras_alert *prev, *next;
-};
-
-/* A list of all alerts in the system */
-static struct cras_alert *all_alerts;
-/* If there is any alert pending. */
-static int has_alert_pending;
-
-struct cras_alert *cras_alert_create(cras_alert_prepare prepare,
-				     unsigned int flags)
-{
-	struct cras_alert *alert;
-	alert = calloc(1, sizeof(*alert));
-	if (!alert)
-		return NULL;
-	alert->prepare = prepare;
-	alert->flags = flags;
-	DL_APPEND(all_alerts, alert);
-	return alert;
-}
-
-int cras_alert_add_callback(struct cras_alert *alert, cras_alert_cb cb,
-			    void *arg)
-{
-	struct cras_alert_cb_list *alert_cb;
-
-	if (cb == NULL)
-		return -EINVAL;
-
-	DL_FOREACH (alert->callbacks, alert_cb)
-		if (alert_cb->callback == cb && alert_cb->arg == arg)
-			return -EEXIST;
-
-	alert_cb = calloc(1, sizeof(*alert_cb));
-	if (alert_cb == NULL)
-		return -ENOMEM;
-	alert_cb->callback = cb;
-	alert_cb->arg = arg;
-	DL_APPEND(alert->callbacks, alert_cb);
-	return 0;
-}
-
-int cras_alert_rm_callback(struct cras_alert *alert, cras_alert_cb cb,
-			   void *arg)
-{
-	struct cras_alert_cb_list *alert_cb;
-
-	DL_FOREACH (alert->callbacks, alert_cb)
-		if (alert_cb->callback == cb && alert_cb->arg == arg) {
-			DL_DELETE(alert->callbacks, alert_cb);
-			free(alert_cb);
-			return 0;
-		}
-	return -ENOENT;
-}
-
-/* Checks if the alert is pending, and invoke the prepare function and callbacks
- * if so. */
-static void cras_alert_process(struct cras_alert *alert)
-{
-	struct cras_alert_cb_list *cb;
-	struct cras_alert_data *data;
-
-	if (!alert->pending)
-		return;
-
-	alert->pending = 0;
-	if (alert->prepare)
-		alert->prepare(alert);
-
-	if (!alert->data) {
-		DL_FOREACH (alert->callbacks, cb)
-			cb->callback(cb->arg, NULL);
-	}
-
-	/* Have data arguments, pass each to the callbacks. */
-	DL_FOREACH (alert->data, data) {
-		DL_FOREACH (alert->callbacks, cb)
-			cb->callback(cb->arg, (void *)data->buf);
-		DL_DELETE(alert->data, data);
-		free(data);
-	}
-}
-
-void cras_alert_pending(struct cras_alert *alert)
-{
-	alert->pending = 1;
-	has_alert_pending = 1;
-}
-
-void cras_alert_pending_data(struct cras_alert *alert, void *data,
-			     size_t data_size)
-{
-	struct cras_alert_data *d;
-
-	alert->pending = 1;
-	has_alert_pending = 1;
-	d = calloc(1, offsetof(struct cras_alert_data, buf) + data_size);
-	memcpy(d->buf, data, data_size);
-
-	if (!(alert->flags & CRAS_ALERT_FLAG_KEEP_ALL_DATA) && alert->data) {
-		/* There will never be more than one item in the list. */
-		free(alert->data);
-		alert->data = NULL;
-	}
-
-	/* Even when there is only one item, it is important to use DL_APPEND
-	 * here so that d's next and prev pointers are setup correctly. */
-	DL_APPEND(alert->data, d);
-}
-
-void cras_alert_process_all_pending_alerts()
-{
-	struct cras_alert *alert;
-
-	while (has_alert_pending) {
-		has_alert_pending = 0;
-		DL_FOREACH (all_alerts, alert)
-			cras_alert_process(alert);
-	}
-}
-
-void cras_alert_destroy(struct cras_alert *alert)
-{
-	struct cras_alert_cb_list *cb;
-	struct cras_alert_data *data;
-
-	if (!alert)
-		return;
-
-	DL_FOREACH (alert->callbacks, cb) {
-		DL_DELETE(alert->callbacks, cb);
-		free(cb);
-	}
-
-	DL_FOREACH (alert->data, data) {
-		DL_DELETE(alert->data, data);
-		free(data);
-	}
-
-	alert->callbacks = NULL;
-	DL_DELETE(all_alerts, alert);
-	free(alert);
-}
-
-void cras_alert_destroy_all()
-{
-	struct cras_alert *alert;
-	DL_FOREACH (all_alerts, alert)
-		cras_alert_destroy(alert);
-}