rtdm_dev_context Struct Reference
[Device Registration Services]

#include <rtdm_driver.h>

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Detailed Description

Device context.

A device context structure is associated with every open device instance. RTDM takes care of its creation and destruction and passes it to the operation handlers when being invoked.

Drivers can attach arbitrary data immediately after the official structure. The size of this data is provided via rtdm_device.context_size during device registration.

Data Fields
unsigned long	context_flags
	Context flags, see Context Flags for details.
int	fd
	Associated file descriptor.
atomic_t	close_lock_count
	Lock counter of context, held while structure is referenced by an operation handler.
rtdm_operations *	ops
	Set of active device operation handlers.
rtdm_device *	device
	Reference to owning device.
char	dev_private [0]
	Begin of driver defined context data structure.

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The documentation for this struct was generated from the following file:

• include/rtdm/rtdm_driver.h

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