/src/igraph/src/core/interruption.c
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1 | | /* -*- mode: C -*- */ |
2 | | /* |
3 | | IGraph library. |
4 | | Copyright (C) 2005-2012 Gabor Csardi <csardi.gabor@gmail.com> |
5 | | 334 Harvard street, Cambridge, MA 02139 USA |
6 | | |
7 | | This program is free software; you can redistribute it and/or modify |
8 | | it under the terms of the GNU General Public License as published by |
9 | | the Free Software Foundation; either version 2 of the License, or |
10 | | (at your option) any later version. |
11 | | |
12 | | This program is distributed in the hope that it will be useful, |
13 | | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | | GNU General Public License for more details. |
16 | | |
17 | | You should have received a copy of the GNU General Public License |
18 | | along with this program; if not, write to the Free Software |
19 | | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
20 | | 02110-1301 USA |
21 | | |
22 | | */ |
23 | | |
24 | | #include "igraph_interrupt.h" |
25 | | #include "config.h" |
26 | | |
27 | | IGRAPH_THREAD_LOCAL igraph_interruption_handler_t *igraph_i_interruption_handler = 0; |
28 | | |
29 | 92.3M | igraph_error_t igraph_allow_interruption(void *data) { |
30 | 92.3M | if (igraph_i_interruption_handler) { |
31 | 0 | return igraph_i_interruption_handler(data); |
32 | 0 | } |
33 | 92.3M | return IGRAPH_SUCCESS; |
34 | 92.3M | } |
35 | | |
36 | 0 | igraph_interruption_handler_t *igraph_set_interruption_handler (igraph_interruption_handler_t *new_handler) { |
37 | 0 | igraph_interruption_handler_t *previous_handler = igraph_i_interruption_handler; |
38 | 0 | igraph_i_interruption_handler = new_handler; |
39 | 0 | return previous_handler; |
40 | 0 | } |