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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
72 lines
3.5 KiB
C
72 lines
3.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/struct/fd.internal.h"
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#include "libc/calls/struct/timeval.h"
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#include "libc/nt/struct/linger.h"
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#include "libc/nt/thunk/msabi.h"
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#include "libc/nt/winsock.h"
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#include "libc/sock/internal.h"
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#include "libc/sock/struct/linger.h"
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#include "libc/sock/syscall_fd.internal.h"
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#include "libc/stdio/sysparam.h"
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#include "libc/sysv/consts/so.h"
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#include "libc/sysv/consts/sol.h"
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#include "libc/sysv/errfuns.h"
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#ifdef __x86_64__
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__msabi extern typeof(__sys_setsockopt_nt) *const __imp_setsockopt;
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textwindows int sys_setsockopt_nt(struct Fd *fd, int level, int optname,
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const void *optval, uint32_t optlen) {
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// socket read/write timeouts
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if (level == SOL_SOCKET &&
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(optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)) {
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if (!(optval && optlen == sizeof(struct timeval))) return einval();
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const struct timeval *tv = optval;
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int64_t ms = timeval_tomillis(*tv);
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if (ms >= 0xffffffffu) ms = 0; // wait forever (default)
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if (optname == SO_RCVTIMEO) fd->rcvtimeo = ms;
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if (optname == SO_SNDTIMEO) fd->sndtimeo = ms;
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return 0; // we want to handle this on our own
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}
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// how to make close() a blocking i/o call
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union {
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uint32_t millis;
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struct linger_nt linger;
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} u;
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if (level == SOL_SOCKET && //
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optname == SO_LINGER && optval && //
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optlen == sizeof(struct linger)) {
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const struct linger *linger = optval;
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u.linger.l_onoff = linger->l_onoff;
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u.linger.l_linger = MIN(0xFFFF, MAX(0, linger->l_linger));
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optval = &u.linger;
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optlen = sizeof(u.linger);
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}
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if (__imp_setsockopt(fd->handle, level, optname, optval, optlen) != -1) {
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return 0;
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} else {
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return __winsockerr();
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}
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}
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#endif /* __x86_64__ */
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