VIP_CQ Struct Reference

#include <vipl_structs.h>

Data Fields
VIP_HANDLE	handle
VIP_CQ_ENTRY *	queue
VIP_UINT32	count
VIP_UINT32	next_poll
VIP_UINT32	next_completion
VIP_UINT32	event_count
VIP_EVENT_T	event
VIP_SEMAPHORE_T	notify_tokens
VIP_BOOLEAN	notify_initialized
VIP_BOOLEAN	notify_cancelled
VIP_THREAD_T	notify_thread
VIP_NOTIFY *	first_notify_handler
VIP_NOTIFY *	last_notify_handler

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Detailed Description

Structure related to a VI-GM completion queue.

Definition at line 249 of file vipl_structs.h.

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Field Documentation

VIP_HANDLE VIP_CQ::handle

Common set of fields used by all handles. Definition at line 252 of file vipl_structs.h. Referenced by vip_cq_notify_thread(), vip_destroy_cq_handle_set(), vip_destroy_vi_handle_set(), and VipCreateVi().

VIP_CQ_ENTRY* VIP_CQ::queue

Completion queue itself, bounded array of completion queue entries. Definition at line 254 of file vipl_structs.h. Referenced by vip_is_first_cq_entry_notified(), vip_notify_desc_completion(), vip_vi_transition_to_error_state(), and VipCreateCQ().

VIP_UINT32 VIP_CQ::count

Number of entries in the completion queue. Definition at line 256 of file vipl_structs.h. Referenced by vip_notify_desc_completion(), vip_vi_transition_to_error_state(), and VipCreateCQ().

VIP_UINT32 VIP_CQ::next_poll

Index of the entry at the top of the queue, i.e. the entry to be polled by the VI consumer. Definition at line 259 of file vipl_structs.h. Referenced by vip_is_first_cq_entry_notified(), and VipCreateCQ().

VIP_UINT32 VIP_CQ::next_completion

Index of the next available entry in the completion queue. Definition at line 261 of file vipl_structs.h. Referenced by vip_notify_desc_completion(), vip_vi_transition_to_error_state(), and VipCreateCQ().

VIP_UINT32 VIP_CQ::event_count

Number of threads blocked on the previous event variable. Definition at line 263 of file vipl_structs.h. Referenced by vip_notify_desc_completion(), vip_vi_transition_to_error_state(), and VipCreateCQ().

VIP_EVENT_T VIP_CQ::event

Event variable used to wake up threads blocking on this CQ. Definition at line 265 of file vipl_structs.h. Referenced by vip_destroy_cq_handle_set(), vip_notify_desc_completion(), vip_vi_transition_to_error_state(), and VipCreateCQ().

VIP_SEMAPHORE_T VIP_CQ::notify_tokens

Semaphore used to trigger the activity of the notify thread. Definition at line 267 of file vipl_structs.h. Referenced by vip_cq_notify_thread(), and VipCreateCQ().

VIP_BOOLEAN VIP_CQ::notify_initialized

Flag indicating if the notify thread is spawned. Definition at line 269 of file vipl_structs.h. Referenced by VipCreateCQ().

VIP_BOOLEAN VIP_CQ::notify_cancelled

Flag indicating if the notify thread should be stopped. Definition at line 271 of file vipl_structs.h. Referenced by vip_cq_notify_thread(), and VipCreateCQ().

VIP_THREAD_T VIP_CQ::notify_thread

Notify thread blocking on the queue and executing the handlers. Definition at line 273 of file vipl_structs.h.

struct VIP_NOTIFY* VIP_CQ::first_notify_handler

Pointer to the first registered notify handler in the pending list. Definition at line 275 of file vipl_structs.h. Referenced by VipCreateCQ().

struct VIP_NOTIFY* VIP_CQ::last_notify_handler

Pointer to the first registered notify handler in the pending list. Definition at line 277 of file vipl_structs.h. Referenced by VipCreateCQ().

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

• vipl_structs.h