poll: document the poll API

2 files changed, 10 insertions, 4 deletions

diff --git a/src/poll.c b/src/poll.c
index e57d349..911fc2e 100644
--- a/src/poll.c
+++ b/src/poll.c
@@ -24,7 +24,7 @@
 */
 
 /**
-   \file poll.h
+   \file poll.c
 
    Portable polling API implementations
 */
@@ -41,6 +41,7 @@
 #endif
 
 
+/** Returns the time to the next handshake or -1 */
 static inline int handshake_timeout(void) {
 	if (!ctx.handshake_queue.next)
 		return -1;
@@ -61,7 +62,6 @@ static inline int handshake_timeout(void) {
 #include <sys/epoll.h>
 
 
-/** Initializes the poll interface */
 void fastd_poll_init(void) {
 	ctx.epoll_fd = epoll_create1(0);
 	if (ctx.epoll_fd < 0)
@@ -75,13 +75,11 @@ void fastd_poll_init(void) {
 		exit_errno("epoll_ctl");
 }
 
-/** Frees the poll interface */
 void fastd_poll_free(void) {
 	if (close(ctx.epoll_fd))
 		pr_warn_errno("closing EPOLL: close");
 }
 
-
 void fastd_poll_set_fd_tuntap(void) {
 	struct epoll_event event = {
 		.events = EPOLLIN,
diff --git a/src/poll.h b/src/poll.h
index 08baa8a..ae9c8cd 100644
--- a/src/poll.h
+++ b/src/poll.h
@@ -36,14 +36,22 @@
 #include "types.h"
 
 
+/** Initializes the poll interface */
 void fastd_poll_init(void);
+/** Frees the poll interface */
 void fastd_poll_free(void);
 
+/** Updates the file descriptor of the TUN/TAP interface from \e ctx.tunfd */
 void fastd_poll_set_fd_tuntap(void);
+/** Updates the file descriptor of the socket \e ctx.socks[i] */
 void fastd_poll_set_fd_sock(size_t i);
+/** Updates the file descriptor of the dynamic socket for the peer with index \e i in \e ctx.peers */
 void fastd_poll_set_fd_peer(size_t i);
 
+/** Must be called when a peer is added at the end of the peer list */
 void fastd_poll_add_peer(void);
+/** Must be called then the peer with the index \e i is deleted */
 void fastd_poll_delete_peer(size_t i);
 
+/** Waits for the next input event */
 void fastd_poll_handle(void);