mirror of
https://github.com/jart/cosmopolitan.git
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c9fecf3a55
- You can now run `make -j8 toolchain` on Windows - You can now run `make -j` on MacOS ARM64 and BSD OSes - You can now use our Emacs dev environment on MacOS/Windows - Fix bug where the x16 register was being corrupted by --ftrace - The programs under build/bootstrap/ are updated as fat binaries - The Makefile now explains how to download cosmocc-0.0.12 toolchain - The build scripts under bin/ now support "cosmo" branded toolchains - stat() now goes faster on Windows (shaves 100ms off `make` latency) - Code cleanup and added review on the Windows signal checking code - posix_spawnattr_setrlimit() now works around MacOS ARM64 bugs - Landlock Make now favors posix_spawn() on non-Linux/OpenBSD - posix_spawn() now has better --strace logging on Windows - fstatat() can now avoid EACCES in more cases on Windows - fchmod() can now change the readonly bit on Windows
41 lines
2.7 KiB
C
41 lines
2.7 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 2023 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/dce.h"
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#include "libc/errno.h"
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#include "libc/proc/posix_spawn.h"
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#include "libc/proc/posix_spawn.internal.h"
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/**
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* Add a dup2 action to object.
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*
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* @param file_actions was initialized by posix_spawn_file_actions_init()
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* @return 0 on success, or errno on error
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* @raise EBADF if 'fildes' or `newfildes` is negative
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* @raise ENOMEM if insufficient memory was available
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*/
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int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *file_actions,
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int fildes, int newfildes) {
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if (fildes < 0 || newfildes < 0) return EBADF;
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return __posix_spawn_add_file_action(file_actions,
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(struct _posix_faction){
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.action = _POSIX_SPAWN_DUP2,
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.fildes = fildes,
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.newfildes = newfildes,
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});
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}
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