46 lines
2.6 KiB
C
46 lines
2.6 KiB
C
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/internal.h"
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#include "libc/nt/struct/pollfd.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/sysv/consts/poll.h"
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#include "libc/sysv/errfuns.h"
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textwindows int poll$nt(struct pollfd *fds, uint64_t nfds, int32_t timeout_ms) {
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int got;
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size_t i;
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struct pollfd$nt ntfds[64];
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if (nfds > 64) return einval();
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for (i = 0; i < nfds; ++i) {
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if (!isfdkind(fds[i].fd, kFdSocket)) return ebadf();
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ntfds[i].handle = g_fds.p[fds[i].fd].handle;
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ntfds[i].events = fds[i].events & (POLLPRI | POLLIN | POLLOUT);
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}
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if ((got = WSAPoll(ntfds, nfds, timeout_ms)) != -1) {
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for (i = 0; i < nfds; ++i) {
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fds[i].revents = ntfds[i].revents;
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}
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return got;
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} else {
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return winsockerr();
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}
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}
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