mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
fbc053e018
- Introduce __assert_disable global - Improve strsignal() thread safety - Make system call tracing thread safe - Fix SO_RCVTIMEO / SO_SNDTIMEO on Windows - Refactor DescribeFoo() functions into one place - Fix fork() on Windows when TLS and MAP_STACK exist - Round upwards in setsockopt(SO_RCVTIMEO) on Windows - Disable futexes on OpenBSD which seem extremely broken - Implement a better kludge for monotonic time on Windows
76 lines
3.5 KiB
C
76 lines
3.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2021 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/struct/timeval.h"
|
|
#include "libc/limits.h"
|
|
#include "libc/macros.internal.h"
|
|
#include "libc/nt/struct/linger.h"
|
|
#include "libc/sock/internal.h"
|
|
#include "libc/sock/syscall_fd.internal.h"
|
|
#include "libc/sysv/consts/so.h"
|
|
#include "libc/sysv/consts/sol.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
textwindows int sys_setsockopt_nt(struct Fd *fd, int level, int optname,
|
|
const void *optval, uint32_t optlen) {
|
|
int64_t ms, micros;
|
|
struct timeval *tv;
|
|
struct linger *linger;
|
|
struct SockFd *sockfd;
|
|
union {
|
|
uint32_t millis;
|
|
struct linger_nt linger;
|
|
} u;
|
|
|
|
if (level == SOL_SOCKET) {
|
|
if (optname == SO_LINGER && optval && optlen == sizeof(struct linger)) {
|
|
linger = optval;
|
|
u.linger.l_onoff = linger->l_onoff;
|
|
u.linger.l_linger = MIN(0xFFFF, MAX(0, linger->l_linger));
|
|
optval = &u.linger;
|
|
optlen = sizeof(u.linger);
|
|
} else if ((optname == SO_RCVTIMEO || optname == SO_SNDTIMEO) && optval &&
|
|
optlen == sizeof(struct timeval)) {
|
|
tv = optval;
|
|
if (__builtin_mul_overflow(tv->tv_sec, 1000, &ms) ||
|
|
__builtin_add_overflow(tv->tv_usec, 999, µs) ||
|
|
__builtin_add_overflow(ms, micros / 1000, &ms) ||
|
|
(ms < 0 || ms > 0xffffffff)) {
|
|
u.millis = 0xffffffff;
|
|
} else {
|
|
u.millis = ms;
|
|
}
|
|
optval = &u.millis;
|
|
optlen = sizeof(u.millis);
|
|
sockfd = (struct SockFd *)fd->extra;
|
|
if (optname == SO_RCVTIMEO) {
|
|
sockfd->rcvtimeo = u.millis;
|
|
}
|
|
if (optname == SO_SNDTIMEO) {
|
|
sockfd->sndtimeo = u.millis;
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (__sys_setsockopt_nt(fd->handle, level, optname, optval, optlen) != -1) {
|
|
return 0;
|
|
} else {
|
|
return __winsockerr();
|
|
}
|
|
}
|