taskrambler  0.1.8
Web server and task management solution.
queue/get.c
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1 /**
2  * \file
3  *
4  * \author Georg Hopp
5  *
6  * \copyright
7  * Copyright © 2012 Georg Hopp
8  *
9  * This program is free software: you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation, either version 3 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program. If not, see <http://www.gnu.org/licenses/>.
21  */
22 
23 #include "class.h"
24 #include "queue.h"
25 
26 void *
27 queueGet(Queue this)
28 {
29  Queue first;
30  void * msg;
31 
32  if (NULL == this->first) {
33  return NULL;
34  }
35 
36  msg = this->first->msg;
37  first = this->first->next;
38 
39  if (this->first == this->last) {
40  this->last = NULL;
41  }
42  delete(this->first);
43 
44  this->next = first;
45  this->first = first;
46  this->nmsg--;
47 
48  return msg;
49 }
50 
51 // vim: set ts=4 sw=4:
void * queueGet(Queue this)
Definition: queue/get.c:27