Revert "Remove support for UNIX signals in the event library."

[meshlink] / src / event.h

diff --git a/src/event.h b/src/event.h
index 272243ff489330483d1293194bffb67c722eef9e..e49732af7062871c4dea91908aad9290e898ed60 100644 (file)
--- a/src/event.h
+++ b/src/event.h
@@ -1,5 +1,5 @@
 /*
-    event.h -- I/O and timeout event handling
+    event.h -- I/O, timeout and signal event handling
     Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
 
     This program is free software; you can redistribute it and/or modify
@@ -29,6 +29,7 @@ typedef struct event_loop_t event_loop_t;
 
 typedef void (*io_cb_t)(event_loop_t *loop, void *data, int flags);
 typedef void (*timeout_cb_t)(event_loop_t *loop, void *data);
+typedef void (*signal_cb_t)(event_loop_t *loop, void *data);
 
 typedef struct io_t {
        int fd;
@@ -45,6 +46,13 @@ typedef struct timeout_t {
        struct splay_node_t node;
 } timeout_t;
 
+typedef struct signal_t {
+       int signum;
+       signal_cb_t cb;
+       void *data;
+       struct splay_node_t node;
+} signal_t;
+
 struct event_loop_t {
        fd_set readfds;
        fd_set writefds;
@@ -54,6 +62,10 @@ struct event_loop_t {
        
        splay_tree_t ios;
        splay_tree_t timeouts;
+       splay_tree_t signals;
+
+       io_t signalio;
+       int pipefd[2];
 
        void *data;
 };
@@ -66,6 +78,10 @@ extern void timeout_add(event_loop_t *loop, timeout_t *timeout, timeout_cb_t cb,
 extern void timeout_del(event_loop_t *loop, timeout_t *timeout);
 extern void timeout_set(event_loop_t *loop, timeout_t *timeout, struct timeval *tv);
 
+extern void signal_add(event_loop_t *loop, signal_t *sig, signal_cb_t cb, void *data, uint8_t signum);
+extern void signal_trigger(event_loop_t *loop, signal_t *sig);
+extern void signal_del(event_loop_t *loop, signal_t *sig);
+
 extern void event_loop_init(event_loop_t *loop);
 extern void event_loop_exit(event_loop_t *loop);
 extern bool event_loop_run(event_loop_t *loop);