Implement the sleep function for IrDA and bluetooth

src/bluetooth.c

@@ -110,7 +110,7 @@ static const dc_iostream_vtable_t dc_bluetooth_vtable = {
 	dc_socket_write, /* write */
 	NULL, /* flush */
 	NULL, /* purge */
-	NULL, /* sleep */
+	dc_socket_sleep, /* sleep */
 	dc_socket_close, /* close */
 };
 

src/irda.c

@@ -102,7 +102,7 @@ static const dc_iostream_vtable_t dc_irda_vtable = {
 	dc_socket_write, /* write */
 	NULL, /* flush */
 	NULL, /* purge */
-	NULL, /* sleep */
+	dc_socket_sleep, /* sleep */
 	dc_socket_close, /* close */
 };
 #endif

src/socket.c

@@ -293,3 +293,25 @@ out:
 
 	return status;
 }
+
+dc_status_t
+dc_socket_sleep (dc_iostream_t *abstract, unsigned int timeout)
+{
+#ifdef _WIN32
+	Sleep (timeout);
+#else
+	struct timespec ts;
+	ts.tv_sec  = (timeout / 1000);
+	ts.tv_nsec = (timeout % 1000) * 1000000;
+
+	while (nanosleep (&ts, &ts) != 0) {
+		int errcode = errno;
+		if (errcode != EINTR ) {
+			SYSERROR (abstract->context, errcode);
+			return dc_socket_syserror (errcode);
+		}
+	}
+#endif
+
+	return DC_STATUS_SUCCESS;
+}

src/socket.h

@@ -34,6 +34,7 @@
 #include <sys/select.h> // select
 #include <sys/ioctl.h>  // ioctl
 #include <sys/time.h>
+#include <time.h>
 #endif
 
 #include <libdivecomputer/common.h>
@@ -113,6 +114,9 @@ dc_socket_read (dc_iostream_t *iostream, void *data, size_t size, size_t *actual
 dc_status_t
 dc_socket_write (dc_iostream_t *iostream, const void *data, size_t size, size_t *actual);
 
+dc_status_t
+dc_socket_sleep (dc_iostream_t *abstract, unsigned int timeout);
+
 dc_status_t
 dc_socket_close (dc_iostream_t *iostream);