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
| | #include <sys/socket.h>
#include <sys/time.h>
#include <errno.h>
#include "syscall.h"
int getsockopt(int fd, int level, int optname, void *restrict optval, socklen_t *restrict optlen)
{
long tv32[2];
struct timeval *tv;
int r = __socketcall(getsockopt, fd, level, optname, optval, optlen, 0);
if (r==-ENOPROTOOPT) switch (level) {
case SOL_SOCKET:
switch (optname) {
case SO_RCVTIMEO:
case SO_SNDTIMEO:
if (SO_RCVTIMEO == SO_RCVTIMEO_OLD) break;
if (*optlen < sizeof *tv) return __syscall_ret(-EINVAL);
if (optname==SO_RCVTIMEO) optname=SO_RCVTIMEO_OLD;
if (optname==SO_SNDTIMEO) optname=SO_SNDTIMEO_OLD;
r = __socketcall(getsockopt, fd, level, optname,
tv32, (socklen_t[]){sizeof tv32}, 0);
if (r<0) break;
tv = optval;
tv->tv_sec = tv32[0];
tv->tv_usec = tv32[1];
*optlen = sizeof *tv;
}
}
return __syscall_ret(r);
}
|