94 lines
3.2 KiB
Diff
94 lines
3.2 KiB
Diff
From c609cb9898dc8dec5dcb0b1d111b3f6b6a5e09d4 Mon Sep 17 00:00:00 2001
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From: Tom Gundersen <teg@jklm.no>
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Date: Wed, 27 Aug 2014 19:04:29 +0200
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Subject: [PATCH] man: add sample glib/sd-event integration
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This should be moved to man pages, but for now the C code is included directly.
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Suggested by Zbyszek.
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---
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man/glib-event-glue.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 74 insertions(+)
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create mode 100644 man/glib-event-glue.c
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diff --git a/man/glib-event-glue.c b/man/glib-event-glue.c
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new file mode 100644
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index 0000000000..95aaea1e63
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--- /dev/null
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+++ b/man/glib-event-glue.c
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@@ -0,0 +1,74 @@
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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+
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+/***
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+ Copyright 2014 Tom Gundersen
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+
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+ Permission is hereby granted, free of charge, to any person
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+ obtaining a copy of this software and associated documentation files
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+ (the "Software"), to deal in the Software without restriction,
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+ including without limitation the rights to use, copy, modify, merge,
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+ publish, distribute, sublicense, and/or sell copies of the Software,
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+ and to permit persons to whom the Software is furnished to do so,
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+ subject to the following conditions:
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+
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+ The above copyright notice and this permission notice shall be
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+ included in all copies or substantial portions of the Software.
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+
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+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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+ BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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+ ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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+ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+ SOFTWARE.
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+***/
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+
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+#include <assert.h>
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+#include <errno.h>
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+#include <stdlib.h>
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+
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+#include "glib-event-glue.h"
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+
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+typedef struct SDEventSource {
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+ GSource source;
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+ GPollFD pollfd;
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+ sd_event *event;
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+} SDEventSource;
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+
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+static gboolean event_prepare(GSource *source, gint *timeout_) {
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+ return sd_event_prepare(((SDEventSource *)source)->event) > 0;
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+}
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+
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+static gboolean event_check(GSource *source) {
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+ return sd_event_wait(((SDEventSource *)source)->event, 0) > 0;
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+}
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+
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+static gboolean event_dispatch(GSource *source, GSourceFunc callback, gpointer user_data) {
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+ return sd_event_dispatch(((SDEventSource *)source)->event) > 0;
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+}
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+
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+static void event_finalize(GSource *source) {
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+ sd_event_unref(((SDEventSource *)source)->event);
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+}
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+
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+static GSourceFuncs event_funcs = {
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+ .prepare = event_prepare,
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+ .check = event_check,
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+ .dispatch = event_dispatch,
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+ .finalize = event_finalize,
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+};
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+
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+GSource *g_sd_event_create_source(sd_event *event) {
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+ SDEventSource *source;
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+
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+ source = (SDEventSource *)g_source_new(&event_funcs, sizeof(SDEventSource));
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+
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+ source->event = sd_event_ref(event);
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+ source->pollfd.fd = sd_event_get_fd(event);
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+ source->pollfd.events = G_IO_IN | G_IO_HUP | G_IO_ERR;
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+
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+ g_source_add_poll((GSource *)source, &source->pollfd);
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+
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+ return (GSource *)source;
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+}
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