The IoAdjustPagingPathCount routine increments or decrements a caller-supplied page-file counter as an atomic operation.
- Count [in]
Pointer to a caller-supplied variable that contains a counter. A driver typically stores a page-file counter in the device extension for the device.
- Increment [in]
Specifies whether the counter is to be incremented or decremented. A value of TRUE specifies an increment operation.
This routine is useful for maintaining a count of paging files on a device. The operating system notifies a driver that a paging file has been created on, or removed from, one of the driver's devices by sending an IRP. The IRP has the major code IRP_MJ_PNP and the minor code IRP_MN_DEVICE_USAGE_NOTIFICATION.
This routine can be used for other counters, such as counters for hibernation files or crash-dump files.
|Available starting with Windows 2000.|