The FreeRADIUS server  $Id: 15bac2a4c627c01d1aa2047687b3418955ac7f00 $
queue.h
Go to the documentation of this file.
1 #pragma once
2 /*
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU General Public License as published by
5  * the Free Software Foundation; either version 2 of the License, or
6  * (at your option) any later version.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
16  */
17 
18 /**
19  * $Id: 12e9e6d7e79e169f6e9360995ff9f5a523ec71be $
20  *
21  * @file io/queue.h
22  * @brief Thread-unsafe queues.
23  *
24  * @copyright 2016 Alan DeKok (aland@freeradius.org)
25  */
26 RCSIDH(queue_h, "$Id: 12e9e6d7e79e169f6e9360995ff9f5a523ec71be $")
27 
28 #include <stdbool.h>
29 #include <freeradius-devel/io/atomic_queue.h>
30 #include <freeradius-devel/util/talloc.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 typedef struct fr_queue_s fr_queue_t;
37 
38 fr_queue_t *fr_queue_create(TALLOC_CTX *ctx, int size);
40 
41 bool fr_queue_push(fr_queue_t *fq, void *data) CC_HINT(nonnull);
42 bool fr_queue_pop(fr_queue_t *fq, void **p_data) CC_HINT(nonnull);
43 
44 int fr_queue_size(fr_queue_t *fq) CC_HINT(nonnull);
45 int fr_queue_num_elements(fr_queue_t *fq) CC_HINT(nonnull);
46 
48 
49 #ifndef NDEBUG
50 void fr_queue_debug(fr_queue_t *fq, FILE *fp) CC_HINT(nonnull);
51 #endif
52 
53 
54 #ifdef __cplusplus
55 }
56 #endif
Structure to hold the atomic queue.
Definition: atomic_queue.c:54
#define RCSIDH(h, id)
Definition: build.h:482
static fr_atomic_queue_t * aq
Definition: control_test.c:47
int size
size of the queue
Definition: queue.c:37
int fr_queue_size(fr_queue_t *fq)
get the size of a queue
Definition: queue.c:127
bool fr_queue_pop(fr_queue_t *fq, void **p_data)
Pop a pointer from the queue.
Definition: queue.c:107
fr_queue_t * fr_queue_resize(fr_queue_t *fq, int size)
Resize a queue, and copy the entries over.
Definition: queue.c:158
fr_queue_t * fr_queue_create(TALLOC_CTX *ctx, int size)
Create a non-thread-safe queue.
Definition: queue.c:51
void fr_queue_debug(fr_queue_t *fq, FILE *fp)
Dump a queue.
Definition: queue.c:258
bool fr_queue_push(fr_queue_t *fq, void *data)
Push a pointer into the queue.
Definition: queue.c:85
int fr_queue_num_elements(fr_queue_t *fq)
get the number of elements in a queue.
Definition: queue.c:141
int fr_queue_localize_atomic(fr_queue_t *fq, fr_atomic_queue_t *aq)
Pull all entries from an atomic queue into our local queue.
Definition: queue.c:222
static fr_slen_t data
Definition: value.h:1265
int nonnull(2, 5))