mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-27 23:08:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Emulate Linux socket timeout signaling on Windows

Browse source
This commit is contained in:
Justine Tunney 2024-09-17 00:24:08 -07:00
parent 65e425fbca
commit b14dddcc18
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
8 changed files with 246 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

38
libc/sock/getsockopt-nt.c
View file

@ -48,40 +48,34 @@ textwindows int sys_getsockopt_nt(struct Fd *fd, int level, int optname,
}
if (level == SOL_SOCKET && optname == SO_ERROR) {
if (in_optlen >= sizeof(int)) {
int err;
uint32_t len = sizeof(err);
if (__imp_getsockopt(fd->handle, SOL_SOCKET, SO_ERROR, &err, &len) == -1)
return __winsockerr();
*(int *)out_opt_optval = __dos2errno(err);
*inout_optlen = sizeof(int);
} else {
if (in_optlen < sizeof(int))
return einval();
}
int err;
uint32_t len = sizeof(err);
if (__imp_getsockopt(fd->handle, SOL_SOCKET, SO_ERROR, &err, &len) == -1)
return __winsockerr();
*(int *)out_opt_optval = __dos2errno(err);
*inout_optlen = sizeof(int);
}
if (level == SOL_SOCKET &&
(optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)) {
if (in_optlen >= sizeof(struct timeval)) {
if (optname == SO_RCVTIMEO) {
ms = fd->rcvtimeo;
} else {
ms = fd->sndtimeo;
}
((struct timeval *)out_opt_optval)->tv_sec = ms / 1000;
((struct timeval *)out_opt_optval)->tv_usec = ms % 1000 * 1000;
*inout_optlen = sizeof(struct timeval);
return 0;
} else {
if (in_optlen < sizeof(struct timeval))
return einval();
if (optname == SO_RCVTIMEO) {
ms = fd->rcvtimeo;
} else {
ms = fd->sndtimeo;
}
*(struct timeval *)out_opt_optval = timeval_frommillis(ms);
*inout_optlen = sizeof(struct timeval);
return 0;
}
// TODO(jart): Use WSAIoctl?
if (__imp_getsockopt(fd->handle, level, optname, out_opt_optval,
inout_optlen) == -1) {
inout_optlen) == -1)
return __winsockerr();
}
if (level == SOL_SOCKET) {
if (optname == SO_LINGER && in_optlen == sizeof(struct linger)) {