Version 0.1.0 from FTP

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@7 f38db490-d61c-443f-a65b-d21fe96a405b

apps/app_skel.c

@@ -0,0 +1,102 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Skeleton application
+ * 
+ * Copyright (C) 1999, Adtran Inc. and Linux Support Services, LLC
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <pthread.h>
+
+static pthread_mutex_t skellock = PTHREAD_MUTEX_INITIALIZER;
+
+static int usecnt=0;
+
+static char *tdesc = "Trivial skeleton Application";
+
+static char *app = "skel";
+
+struct skeluser {
+	struct ast_channel *chan;
+	struct skeluser *next;
+} *users = NULL;
+
+static int skel_exec(struct ast_channel *chan, void *data)
+{
+	int res=0;
+	struct skeluser *u, *ul=NULL;
+	if (!data) {
+		ast_log(LOG_WARNING, "skel requires an argument (filename)\n");
+		return -1;
+	}
+	if (!(u=malloc(sizeof(struct skeluser)))) {
+		ast_log(LOG_WARNING, "Out of memory\n");
+		return -1;
+	}
+	pthread_mutex_lock(&skellock);
+	u->chan = chan;
+	u->next = users;
+	users = u;
+	usecnt++;
+	pthread_mutex_unlock(&skellock);
+	/* Do our thing here */
+	pthread_mutex_lock(&skellock);
+	u = users;
+	while(u) {
+		if (ul)
+			ul->next = u->next;
+		else
+			users = u->next;
+		u = u->next;
+	}
+	usecnt--;
+	pthread_mutex_unlock(&skellock);
+	return res;
+}
+
+int unload_module(void)
+{
+	struct skeluser *u;
+	pthread_mutex_lock(&skellock);
+	u = users;
+	while(u) {
+		/* Hang up anybody who is using us */
+		ast_softhangup(u->chan);
+		u = u->next;
+	}
+	pthread_mutex_unlock(&skellock);
+	return ast_unregister_application(app);
+}
+
+int load_module(void)
+{
+	return ast_register_application(app, skel_exec);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	pthread_mutex_lock(&skellock);
+	res = usecnt;
+	pthread_mutex_unlock(&skellock);
+	return res;
+}