1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* Copyright (C) 2014-2016
* Olivier Gayot <ogayot@baylibre.com>
* Bartosz Golaszewski <bgolaszewski@baylibre.com>
* Olivier Gayot <olivier.gayot@sigexec.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/select.h>
#include "misc.h"
#define SELECT_INIT(FDSET, SOCK) \
do { \
FD_ZERO(&(FDSET)); \
FD_SET((SOCK), &(FDSET)); \
} while (0)
#define SELECT_LOOP(RETVAL, CALL, TV) \
do { \
do { \
(RETVAL) = (CALL); \
if ((((RETVAL) < 0) && (errno != EINTR)) || (RETVAL > 0)) { \
break; \
} \
} while ((TV)->tv_sec || (TV)->tv_usec); \
} while(0)
int caod_fd_wrready(int sock, struct timeval *tv)
{
fd_set wr_set;
int r;
SELECT_INIT(wr_set, sock);
SELECT_LOOP(r, select(sock+1, NULL, &wr_set, NULL, tv), tv);
return r;
}
int caod_fd_rdready(int sock, struct timeval *tv)
{
fd_set rd_set;
int r;
SELECT_INIT(rd_set, sock);
SELECT_LOOP(r, select(sock+1, &rd_set, NULL, NULL, tv), tv);
return r;
}
|
