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c0be035d ZJS |
1 | /* SPDX-License-Identifier: MIT */ |
2 | /* Copyright 2014 Tom Gundersen */ | |
c609cb98 | 3 | |
c609cb98 | 4 | #include <stdlib.h> |
0760dfc6 ZJS |
5 | #include <glib.h> |
6 | #include <systemd/sd-event.h> | |
c609cb98 | 7 | |
c609cb98 | 8 | typedef struct SDEventSource { |
c0be035d ZJS |
9 | GSource source; |
10 | GPollFD pollfd; | |
11 | sd_event *event; | |
c609cb98 TG |
12 | } SDEventSource; |
13 | ||
14 | static gboolean event_prepare(GSource *source, gint *timeout_) { | |
c0be035d | 15 | return sd_event_prepare(((SDEventSource *)source)->event) > 0; |
c609cb98 TG |
16 | } |
17 | ||
18 | static gboolean event_check(GSource *source) { | |
c0be035d | 19 | return sd_event_wait(((SDEventSource *)source)->event, 0) > 0; |
c609cb98 TG |
20 | } |
21 | ||
22 | static gboolean event_dispatch(GSource *source, GSourceFunc callback, gpointer user_data) { | |
c0be035d | 23 | return sd_event_dispatch(((SDEventSource *)source)->event) > 0; |
c609cb98 TG |
24 | } |
25 | ||
26 | static void event_finalize(GSource *source) { | |
c0be035d | 27 | sd_event_unref(((SDEventSource *)source)->event); |
c609cb98 TG |
28 | } |
29 | ||
30 | static GSourceFuncs event_funcs = { | |
c0be035d ZJS |
31 | .prepare = event_prepare, |
32 | .check = event_check, | |
33 | .dispatch = event_dispatch, | |
34 | .finalize = event_finalize, | |
c609cb98 TG |
35 | }; |
36 | ||
37 | GSource *g_sd_event_create_source(sd_event *event) { | |
c0be035d | 38 | SDEventSource *source; |
c609cb98 | 39 | |
c0be035d | 40 | source = (SDEventSource *)g_source_new(&event_funcs, sizeof(SDEventSource)); |
c609cb98 | 41 | |
c0be035d ZJS |
42 | source->event = sd_event_ref(event); |
43 | source->pollfd.fd = sd_event_get_fd(event); | |
44 | source->pollfd.events = G_IO_IN | G_IO_HUP | G_IO_ERR; | |
c609cb98 | 45 | |
c0be035d | 46 | g_source_add_poll((GSource *)source, &source->pollfd); |
c609cb98 | 47 | |
c0be035d | 48 | return (GSource *)source; |
c609cb98 | 49 | } |