llist_threads_rw.h

linux下多线程程序设计,包括signals,mutex,simple_once

/********************************************************
 * An example source module to accompany...
 *
 * "Using POSIX Threads: Programming with Pthreads"
 *     by Brad nichols, Dick Buttlar, Jackie Farrell
 *     O'Reilly & Associates, Inc.
 *
 ********************************************************
 * llist_threads_rw.h --
 *
 * Include file for linked list with reader/writer locks
 * for threads support
 */
#include <pthread.h>
#include "rdwr.h"

#ifndef TRUE
#define TRUE    1
#endif

#ifndef FALSE
#define FALSE   0
#endif

typedef struct llist_node 
{
	int		index;
	void	*datap;
	struct	llist_node *nextp;
} llist_node_t;

typedef struct llist 
{ 
	llist_node_t	*first;
	pthread_rdwr_t	rwlock;
} llist_t;

int llist_init(llist_t *llistp);
int llist_insert_data(int index, void *datap, llist_t *llistp);
int llist_remove_data(int index, void **datapp, llist_t *llistp);
int llist_find_data(int index, void **datapp, llist_t *llistp);
int llist_change_data(int index, void *datap, llist_t *llistp);
int llist_show(llist_t *llistp);