ck_tflock(3)

NAME
ck_tflock_ticket_init, ck_tflock_ticket_write_lock, ck_tflock_ticket_write_unlock, ck_tflock_ticket_read_lock, ck_tflock_ticket_read_unlock, - centralized task-fair reader-writer locks

LIBRARY
Concurrency Kit (libck, -lck)

SYNOPSIS
#include <ck_tflock.h>

ck_tflock_ticket_t lock = CK_TFLOCK_TICKET_INITIALIZER;

void
ck_tflock_ticket_init(ck_tflock_ticket_t *lock);
void
ck_tflock_ticket_write_lock(ck_tflock_ticket_t *lock);
void
ck_tflock_ticket_write_unlock(ck_tflock_ticket_t *lock);
void
ck_tflock_ticket_read_lock(ck_tflock_ticket_t *lock);
void
ck_tflock_ticket_read_unlock(ck_tflock_ticket_t *lock);

DESCRIPTION
This is a centralized task-fair reader-writer lock. It requires little space overhead and has a low latency fast path.

EXAMPLE

    #include <ck_tflock.h>
    static ck_tflock_ticket_t lock = CK_TFLOCK_INITIALIZER;
    static void
    reader(void)
    {
    	for (;;) {
    		ck_tflock_ticket_read_lock(&lock);
    		/* Read-side critical section. */
    		ck_tflock_ticket_read_unlock(&lock);
    	}
    	return;
    }
    static void
    writer(void)
    {
    	for (;;) {
    		ck_tflock_ticket_write_lock(&lock);
    		/* Write-side critical section. */
    		ck_tflock_ticket_write_unlock(&lock);
    	}
    	return;
    }

SEE ALSO
ck_brlock(3), ck_rwlock(3), ck_pflock(3), ck_swlock(3)

Additional information available at http://concurrencykit.org/