22 lines
475 B
C
22 lines
475 B
C
/* Copyright (C) 2010, 2011 Tony Garnock-Jones. All rights reserved. */
|
|
|
|
#ifndef cmsg_dataq_h
|
|
#define cmsg_dataq_h
|
|
|
|
typedef struct queue_t_ {
|
|
size_t link_offset;
|
|
int count;
|
|
void *head;
|
|
void *tail;
|
|
} queue_t;
|
|
|
|
#define EMPTY_QUEUE(element_t, link_field_name) \
|
|
((queue_t) { offsetof(element_t, link_field_name), 0, NULL, NULL })
|
|
|
|
extern void enqueue(queue_t *q, void *x);
|
|
extern void *dequeue(queue_t *q);
|
|
|
|
extern void queue_append(queue_t *q1, queue_t *q2);
|
|
|
|
#endif
|