futex Struct Reference
[Synchronization]

Data Fields
__address	paddr
waitq_t	wq
link_t	ht_link
count_t	refcount

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Detailed Description

Kernel-side futex structure.

Definition at line 45 of file futex.h.

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Field Documentation

link_t ht_link

Futex hash table link. Definition at line 48 of file futex.h. Referenced by futex_find(), and futex_initialize().

__address paddr

Physical address of the status variable. Definition at line 46 of file futex.h. Referenced by futex_find(), futex_ht_compare(), and futex_initialize().

count_t refcount

Number of tasks that reference this futex. Definition at line 49 of file futex.h. Referenced by futex_find(), and futex_initialize().

waitq_t wq

Wait queue for threads waiting for futex availability. Definition at line 47 of file futex.h. Referenced by futex_initialize(), sys_futex_sleep_timeout(), and sys_futex_wakeup().

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