diff options
Diffstat (limited to 'device.h')
| -rw-r--r-- | device.h | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: device.h 1.61 2005/08/13 11:44:13 kls Exp $ + * $Id: device.h 1.62 2005/08/21 08:52:20 kls Exp $ */ #ifndef __DEVICE_H @@ -102,6 +102,12 @@ private: public: static int NumDevices(void) { return numDevices; } ///< Returns the total number of devices. + static bool WaitForAllDevicesReady(int Timeout = 0); + ///< Waits until all devices have become ready, or the given Timeout + ///< (seconds) has expired. While waiting, the Ready() function of each + ///< device is called in turn, until they all return true. + ///< \return True if all devices have become ready within the given + ///< timeout. static void SetUseDevice(int n); ///< Sets the 'useDevice' flag of the given device. ///< If this function is not called before initializing, all devices @@ -136,6 +142,11 @@ private: protected: cDevice(void); virtual ~cDevice(); + virtual bool Ready(void); + ///< Returns true if this device is ready. Devices with conditional + ///< access hardware may need some time until they are up and running. + ///< This function is called in a loop at startup until all devices + ///< are ready (see WaitForAllDevicesReady()). static int NextCardIndex(int n = 0); ///< Calculates the next card index. ///< Each device in a given machine must have a unique card index, which |