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b7d069c4
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体验新版 GitCode,发现更多精彩内容 >>
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b7d069c4
编写于
5月 05, 2015
作者:
B
Bernard Xiong
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差异文件
[DFS] Add file header for select implementation
上级
3aa144d0
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
32 addition
and
8 deletion
+32
-8
components/dfs/filesystems/lwip/lwip_select.c
components/dfs/filesystems/lwip/lwip_select.c
+32
-8
未找到文件。
components/dfs/filesystems/lwip/lwip_select.c
浏览文件 @
b7d069c4
/*
* File : lwip_select.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team
*
* 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.
*
* Change Logs:
* Date Author Notes
* 2015-05-05 Bernard First version
*/
#include <rtthread.h>
#include <sys/select.h>
...
...
@@ -21,28 +45,28 @@ select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
maxfd
=
0
;
for
(
index
=
0
;
index
<
maxfdp1
;
index
++
)
{
/* convert fd to sock */
sock
=
dfs_lwip_getsocket
(
index
);
if
(
sock
==
-
1
)
continue
;
if
(
sock
>
maxfd
)
maxfd
=
sock
;
/* if FD is set, set the socket set */
if
(
readset
&&
FD_ISSET
(
index
,
readset
))
{
sock
=
dfs_lwip_getsocket
(
index
);
if
(
sock
>
maxfd
)
maxfd
=
sock
;
FD_SET
(
sock
,
&
sock_readset
);
}
if
(
writeset
&&
FD_ISSET
(
index
,
writeset
))
{
sock
=
dfs_lwip_getsocket
(
index
);
if
(
sock
>
maxfd
)
maxfd
=
sock
;
FD_SET
(
sock
,
&
sock_writeset
);
}
if
(
exceptset
&&
FD_ISSET
(
index
,
exceptset
))
{
sock
=
dfs_lwip_getsocket
(
index
);
if
(
sock
>
maxfd
)
maxfd
=
sock
;
FD_SET
(
sock
,
&
sock_exceptset
);
}
}
/* no socket found, return bad file descriptor */
if
(
maxfd
==
0
)
return
-
EBADF
;
maxfd
+=
1
;
...
...
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