pr-poll-loop: Add pre poll callbacks

[mirror_corosync-qdevice.git] / qdevices / pr-poll-loop.h

diff --git a/qdevices/pr-poll-loop.h b/qdevices/pr-poll-loop.h
index a5536fea9f879ce0a070e5fe2904ff91db7d90ec..3171e83566de71804372037b50238843ab5f8e40 100644 (file)
--- a/qdevices/pr-poll-loop.h
+++ b/qdevices/pr-poll-loop.h
@@ -77,6 +77,11 @@ typedef int (*pr_poll_loop_fd_err_cb_fn)(int fd, short revents, void *user_data1
 typedef int (*pr_poll_loop_prfd_err_cb_fn)(PRFileDesc *prfd, short revents, const PRPollDesc *pd,
     void *user_data1, void *user_data2);
 
+/*
+ * Return code: 0 - Ok, -1 - Return error
+ */
+typedef int (*pr_poll_loop_pre_poll_cb_fn)(void *user_data1, void *user_data2);
+
 struct pr_poll_loop_fd_entry {
        int fd;
        PRFileDesc *prfd;
@@ -94,8 +99,16 @@ struct pr_poll_loop_fd_entry {
        TAILQ_ENTRY(pr_poll_loop_fd_entry) entries;
 };
 
+struct pr_poll_loop_pre_poll_cb_entry {
+       pr_poll_loop_pre_poll_cb_fn pre_poll_cb;
+       void *user_data1;
+       void *user_data2;
+       TAILQ_ENTRY(pr_poll_loop_pre_poll_cb_entry) entries;
+};
+
 struct pr_poll_loop {
        TAILQ_HEAD(, pr_poll_loop_fd_entry) fd_list;
+       TAILQ_HEAD(, pr_poll_loop_pre_poll_cb_entry) pre_poll_cb_list;
        struct timer_list tlist;
        struct pr_poll_array poll_array;
 };
@@ -109,6 +122,10 @@ extern int                  pr_poll_loop_add_fd(struct pr_poll_loop *poll_loop, int fd,
     pr_poll_loop_fd_err_cb_fn fd_err_cb,
     void *user_data1, void *user_data2);
 
+extern int                      pr_poll_loop_add_pre_poll_cb(struct pr_poll_loop *poll_loop,
+    pr_poll_loop_pre_poll_cb_fn pre_poll_cb,
+    void *user_data1, void *user_data2);
+
 extern int                      pr_poll_loop_add_prfd(struct pr_poll_loop *poll_loop,
     PRFileDesc *prfd, short events,
     pr_poll_loop_prfd_set_events_cb_fn prfd_set_events_cb,
@@ -119,6 +136,9 @@ extern int                   pr_poll_loop_add_prfd(struct pr_poll_loop *poll_loop,
 
 extern int                      pr_poll_loop_del_fd(struct pr_poll_loop *poll_loop, int fd);
 
+extern int                     pr_poll_loop_del_pre_poll_cb(struct pr_poll_loop *poll_loop,
+    pr_poll_loop_pre_poll_cb_fn pre_poll_cb);
+
 extern int                      pr_poll_loop_del_prfd(struct pr_poll_loop *poll_loop,
     PRFileDesc *prfd);