mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
39688a73e4
- Simulate SIGPIPE on Windows NT - Fix commandv() regression on Windows NT - Fix sigprocmask() strace bug on OpenBSD - Add many more system calls to --strace logging - Make errno state more pristine in redbean strace
50 lines
2.5 KiB
C
50 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net 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/internal.h"
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#include "libc/sysv/consts/f.h"
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#include "libc/sysv/consts/fd.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/errfuns.h"
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#include "libc/zip.h"
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#include "libc/zipos/zipos.internal.h"
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#define ZIPOS __zipos_get()
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#define HANDLE ((struct ZiposHandle *)(intptr_t)g_fds.p[fd].handle)
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int __zipos_fcntl(int fd, int cmd, uintptr_t arg) {
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int rc;
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if (cmd == F_GETFD) {
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if (g_fds.p[fd].flags & O_CLOEXEC) {
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rc = FD_CLOEXEC;
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} else {
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rc = 0;
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}
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} else if (cmd == F_SETFD) {
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if (arg & FD_CLOEXEC) {
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g_fds.p[fd].flags |= O_CLOEXEC;
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rc = FD_CLOEXEC;
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} else {
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g_fds.p[fd].flags &= ~O_CLOEXEC;
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rc = 0;
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}
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} else {
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rc = einval();
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}
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return rc;
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}
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