mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-12 09:17:53 +00:00
b45d50b690
- Fix build flakes - Polyfill SIGWINCH on Windows - Fix an execve issue on Windows - Make strerror show more information - Improve cmd.exe setup/teardown on Windows - Support bracketed paste mode in Blinkenlights - Show keyboard shortcuts in Blinkenlights status bar - Fixed copy_file_range() and copyfile() w/ zip filesystem - Size optimize GetDosArgv() to keep life.com 12kb in size - Improve Blinkenlights ability to load weird ELF executables - Fix program_executable_name and add GetInterpreterExecutableName - Make Python in tiny mode fail better if docstrings are requested - Update Python test exclusions in tiny* modes such as tinylinux - Add bulletproof unbreakable kprintf() troubleshooting function - Remove "oldskool" keyword from ape.S for virus scanners - Fix issue that caused backtraces to not print sometimes - Improve Blinkenlights serial uart character i/o - Make clock_gettime() not clobber errno on xnu - Improve sha256 cpuid check for old computers - Integrate some bestline linenoise fixes - Show runit process names better in htop - Remove SIGPIPE from ShowCrashReports() - Make realpath() not clobber errno - Avoid attaching GDB on non-Linux - Improve img.com example
61 lines
3.1 KiB
C
61 lines
3.1 KiB
C
/*-*- 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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│ 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/bits/bits.h"
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#include "libc/bits/weaken.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/macros.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/sock/yoink.inc"
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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 sys_poll_nt(struct pollfd *fds, uint64_t nfds, uint64_t ms) {
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int i, got, waitfor;
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struct sys_pollfd_nt ntfds[64];
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if (nfds >= ARRAYLEN(ntfds)) return einval();
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for (i = 0; i < nfds; ++i) {
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if (fds[i].fd >= 0) {
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if (!__isfdkind(fds[i].fd, kFdSocket)) return enotsock();
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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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} else {
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ntfds[i].handle = -1;
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ntfds[i].events = POLLIN;
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}
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}
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for (;;) {
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if (cmpxchg(&__interrupted, true, false)) return eintr();
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if (weaken(_check_sigwinch) && weaken(_check_sigwinch)(g_fds.p + 0)) {
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return eintr();
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}
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waitfor = MIN(1000, ms); /* for ctrl+c */
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if ((got = WSAPoll(ntfds, nfds, waitfor)) != -1) {
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if (!got && (ms -= waitfor) > 0) continue;
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for (i = 0; i < nfds; ++i) {
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fds[i].revents = ntfds[i].handle < 0 ? 0 : 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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}
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