* This code inspired from "Programming with POSIX Threads", by
* David R. Butenhof
*
+ * Version $Id$
+ *
*/
/*
Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
*/
-#ifndef __WAITQ_H
+#ifndef __WAITQ_H
#define __WAITQ_H 1
-/*
+/*
* Structure to keep track of wait queue request
*/
typedef struct waitq_ele_tag {
struct waitq_ele_tag *next;
- int done_flag; /* predicate for wait */
- pthread_cont_t done; /* wait for completion */
- void *msg; /* message to be passed */
+ int done_flag; /* predicate for wait */
+ pthread_cont_t done; /* wait for completion */
+ void *msg; /* message to be passed */
} waitq_ele_t;
-/*
+/*
* Structure describing a wait queue
*/
typedef struct workq_tag {
- pthread_mutex_t mutex; /* queue access control */
- pthread_cond_t wait_req; /* wait for OK */
- int num_msgs; /* number of waiters */
- waitq_ele_t *first; /* wait queue first item */
- waitq_ele_t *last; /* wait queue last item */
+ pthread_mutex_t mutex; /* queue access control */
+ pthread_cond_t wait_req; /* wait for OK */
+ int num_msgs; /* number of waiters */
+ waitq_ele_t *first; /* wait queue first item */
+ waitq_ele_t *last; /* wait queue last item */
} workq_t;
extern int waitq_init(waitq_t *wq);