style + add timed read example

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/doc/examples/timed/read.c b/doc/examples/timed/read.c
new file mode 100644
index 0000000..abe733f
--- /dev/null
+++ b/doc/examples/timed/read.c
@@ -0,0 +1,45 @@
+#include <bus.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#define t(stmt)  if (stmt) goto fail
+
+
+
+static int
+callback(const char *message, void *user_data)
+{
+	(void) user_data;
+
+	if (message == NULL)
+		return 1;
+
+	message = strchr(message, ' ') + 1;
+	if (!strcmp(message, "stop"))
+		return 0;
+	printf("%s\n", message);
+	return 1;
+}
+
+
+int
+main()
+{
+	bus_t bus;
+	struct timespec timeout;
+	t(bus_open(&bus, "/tmp/example-bus", BUS_RDONLY));
+	t(clock_gettime(CLOCK_MONOTONIC, &timeout));
+	timeout.tv_sec += 10;
+	t(bus_read_timed(&bus, callback, NULL, &timeout, CLOCK_MONOTONIC));
+	bus_close(&bus);
+	return 0;
+
+fail:
+	perror("poll");
+	bus_poll_stop(&bus);
+	bus_close(&bus);
+	return 1;
+}
+