From ea7227db439cc0e02a7ed69feae75fac6dfcc637 Mon Sep 17 00:00:00 2001
From: Joachim Schiele <js@lastlog.de>
Date: Thu, 20 Jun 2013 19:18:18 +0200
Subject: - added a doxygen main page

- modified all examples to be included in doxygen
- modified the API documentation to have more details
- added the 490px_FUSE_structure.svg.png (c) wikipedia
---
 example/hello_ll.c | 41 +++++++++++++++++++++++++++++++++++++----
 1 file changed, 37 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 example/hello_ll.c

(limited to 'example/hello_ll.c')

diff --git a/example/hello_ll.c b/example/hello_ll.c
old mode 100644
new mode 100755
index baf41bc..687c6f1
--- a/example/hello_ll.c
+++ b/example/hello_ll.c
@@ -4,10 +4,39 @@
 
   This program can be distributed under the terms of the GNU GPL.
   See the file COPYING.
-
-  gcc -Wall hello_ll.c `pkg-config fuse --cflags --libs` -o hello_ll
 */
 
+/** @file
+ *
+ * hello_ll.c - fuse low level functionality
+ * 
+ * unlike hello.c this example will stay in the foreground. it also replaced
+ * the convenience function fuse_main(..) with a more low level approach.  
+ *
+ * \section section_compile compiling this example
+ *
+ * gcc -Wall hello_ll.c `pkg-config fuse --cflags --libs` -o hello_ll
+ *
+ * \section section_usage usage
+ \verbatim
+ % mkdir mnt
+ % ./hello_ll mnt        # program will wait in foreground until you press CTRL+C
+ in a different shell do:
+ % ls -la mnt
+   total 4
+   drwxr-xr-x 2 root root      0 Jan  1  1970 ./
+   drwxrwx--- 1 root vboxsf 4096 Jun 16 23:12 ../
+   -r--r--r-- 1 root root     13 Jan  1  1970 hello
+ % cat mnt/hello
+   Hello World!
+ finally either press ctrl+c or do:
+ % fusermount -u mnt
+ \endverbatim
+ *
+ * \section section_source the complete source
+ * \include hello_ll.c
+ */
+
 #define FUSE_USE_VERSION 30
 
 #include <fuse_lowlevel.h>
@@ -151,6 +180,7 @@ static struct fuse_lowlevel_ops hello_ll_oper = {
 	.read		= hello_ll_read,
 };
 
+//! [doxygen_fuse_lowlevel_usage]
 int main(int argc, char *argv[])
 {
 	struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
@@ -161,13 +191,15 @@ int main(int argc, char *argv[])
 	if (fuse_parse_cmdline(&args, &mountpoint, NULL, NULL) != -1 &&
 	    (ch = fuse_mount(mountpoint, &args)) != NULL) {
 		struct fuse_session *se;
-
 		se = fuse_lowlevel_new(&args, &hello_ll_oper,
 				       sizeof(hello_ll_oper), NULL);
 		if (se != NULL) {
 			if (fuse_set_signal_handlers(se) != -1) {
 				fuse_session_add_chan(se, ch);
-				err = fuse_session_loop(se);
+				
+				// fuse_session_loop(..) blocks until ctrl+c or fusermount -u
+				err = fuse_session_loop(se); 
+				
 				fuse_remove_signal_handlers(se);
 				fuse_session_remove_chan(ch);
 			}
@@ -179,3 +211,4 @@ int main(int argc, char *argv[])
 
 	return err ? 1 : 0;
 }
+//! [doxygen_fuse_lowlevel_usage]
-- 
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