barrier_struct Struct Reference

barrier sync object with padding to prevent false sharing More...

#include <threads.h>

Data Fields
int	padding1 [8]
	Pad to avoid false sharing, cache aliasing. More...
rt_mutex_t	lock
	Mutex lock for the structure. More...
int	n_clients
	Number of threads to wait for at barrier. More...
int	n_waiting
	Number of currently waiting threads. More...
int	phase
	Flag to separate waiters from fast workers. More...
int	sum
	Sum of arguments passed to barrier_wait. More...
int	result
	Answer to be returned by barrier_wait. More...
rt_cond_t	wait_cv
	Clients wait on condition variable to proceed. More...
int	padding2 [8]
	Pad to avoid false sharing, cache aliasing. More...

Detailed Description

barrier sync object with padding to prevent false sharing

Definition at line 195 of file threads.h.

Field Documentation

lock

rt_mutex_t barrier_struct::lock

Mutex lock for the structure.

Definition at line 197 of file threads.h.

Referenced by rt_thread_barrier(), rt_thread_barrier_destroy(), rt_thread_barrier_init(), and rt_thread_barrier_init_proc_shared().

n_clients

int barrier_struct::n_clients

Number of threads to wait for at barrier.

Definition at line 198 of file threads.h.

Referenced by rt_thread_barrier(), rt_thread_barrier_init(), and rt_thread_barrier_init_proc_shared().

n_waiting

int barrier_struct::n_waiting

Number of currently waiting threads.

Definition at line 199 of file threads.h.

Referenced by rt_thread_barrier(), rt_thread_barrier_init(), and rt_thread_barrier_init_proc_shared().

padding1

int barrier_struct::padding1[8]

Pad to avoid false sharing, cache aliasing.

Definition at line 196 of file threads.h.

padding2

int barrier_struct::padding2[8]

Pad to avoid false sharing, cache aliasing.

Definition at line 204 of file threads.h.

phase

int barrier_struct::phase

Flag to separate waiters from fast workers.

Definition at line 200 of file threads.h.

Referenced by rt_thread_barrier(), rt_thread_barrier_init(), and rt_thread_barrier_init_proc_shared().

result

int barrier_struct::result

Answer to be returned by barrier_wait.

Definition at line 202 of file threads.h.

Referenced by rt_thread_barrier().

sum

int barrier_struct::sum

Sum of arguments passed to barrier_wait.

Definition at line 201 of file threads.h.

Referenced by rt_thread_barrier(), rt_thread_barrier_init(), and rt_thread_barrier_init_proc_shared().

wait_cv

rt_cond_t barrier_struct::wait_cv

Clients wait on condition variable to proceed.

Definition at line 203 of file threads.h.

Referenced by rt_thread_barrier(), rt_thread_barrier_destroy(), rt_thread_barrier_init(), and rt_thread_barrier_init_proc_shared().

---

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

• threads.h