idle_worker.c File Reference

#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <stdatomic.h>
#include <string.h>
#include <time.h>
#include <atalk/logger.h>
#include <atalk/util.h>
#include <atalk/queue.h>
#include "dircache.h"
#include "directory.h"
#include "idle_worker.h"

Macros
#define	IW_WAKE_MS   10
#define	IW_SPIN_ITERATIONS   128
#define	IW_WAIT_SLEEP_NS   100000L
#define	IW_CPU_RELAX()   __asm__ __volatile__("" ::: "memory")
#define	IW_STAT_INC(field)    atomic_fetch_add_explicit(&iw_stat.field, 1, memory_order_relaxed)

Functions
int	iw_init (void)
void	iw_grant (void)
void	iw_revoke (void)
void	iw_revoke_signal_safe (void)
void	iw_shutdown (void)
void	iw_note_work (void)
int	iw_grant_active (void)
int	iw_is_active (void)
void	iw_log_stats (void)

Variables
static atomic_int	iw_has_work = 0
static atomic_int	iw_can_work = 0
static atomic_int	iw_is_working = 0
static atomic_int	iw_shutdown_flag = 0
static pthread_t	iw_tid
static int	iw_started = 0
static int	iw_granted = 0
struct {
atomic_uint   work_noted
atomic_uint   grants
atomic_uint   cycles_started
atomic_uint   cycles_completed
atomic_uint   cycles_interrupted
atomic_uint   cycles_aborted
atomic_uint   invalid_freed
atomic_uint   chains_processed
}	iw_stat

Macro Definition Documentation

IW_CPU_RELAX

#define IW_CPU_RELAX

(

)

__asm__ __volatile__("" ::: "memory")

IW_SPIN_ITERATIONS

#define IW_SPIN_ITERATIONS   128

IW_STAT_INC

#define IW_STAT_INC

(

field

)

atomic_fetch_add_explicit(&iw_stat.field, 1, memory_order_relaxed)

IW_WAIT_SLEEP_NS

#define IW_WAIT_SLEEP_NS   100000L

IW_WAKE_MS

#define IW_WAKE_MS   10

Function Documentation

iw_grant()

void iw_grant

(

void

)

iw_grant_active()

int iw_grant_active

(

void

)

iw_init()

int iw_init

(

void

)

iw_is_active()

int iw_is_active

(

void

)

iw_log_stats()

void iw_log_stats

(

void

)

iw_note_work()

void iw_note_work

(

void

)

iw_revoke()

void iw_revoke

(

void

)

iw_revoke_signal_safe()

void iw_revoke_signal_safe

(

void

)

iw_shutdown()

void iw_shutdown

(

void

)

Variable Documentation

chains_processed

atomic_uint chains_processed

cycles_aborted

atomic_uint cycles_aborted

cycles_completed

atomic_uint cycles_completed

cycles_interrupted

atomic_uint cycles_interrupted

cycles_started

atomic_uint cycles_started

grants

atomic_uint grants

invalid_freed

atomic_uint invalid_freed

iw_can_work

atomic_int iw_can_work = 0

static

iw_granted

int iw_granted = 0

static

iw_has_work

atomic_int iw_has_work = 0

static

iw_is_working

atomic_int iw_is_working = 0

static

iw_shutdown_flag

atomic_int iw_shutdown_flag = 0

static

iw_started

int iw_started = 0

static

[struct]

struct { ... } iw_stat

iw_tid

pthread_t iw_tid

static

work_noted

atomic_uint work_noted