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ck_tflock(3)		 BSD Library Functions Manual		  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/

				April 22, 2014.

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | EXAMPLE | SEE ALSO

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