mirror of
https://github.com/jart/cosmopolitan.git
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61 lines
3.2 KiB
C
61 lines
3.2 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/calls/internal.h"
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#include "libc/calls/ntspawn.h"
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#include "libc/mem/alloca.h"
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#include "libc/nt/accounting.h"
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#include "libc/nt/enum/startf.h"
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#include "libc/nt/enum/status.h"
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#include "libc/nt/runtime.h"
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#include "libc/nt/struct/processinformation.h"
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#include "libc/nt/struct/startupinfo.h"
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#include "libc/nt/synchronization.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/o.h"
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textwindows int sys_execve_nt(const char *program, char *const argv[],
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char *const envp[]) {
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int rc;
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size_t i;
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uint32_t dwExitCode;
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struct NtStartupInfo startinfo;
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struct NtProcessInformation procinfo;
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memset(&startinfo, 0, sizeof(startinfo));
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startinfo.cb = sizeof(struct NtStartupInfo);
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startinfo.dwFlags = kNtStartfUsestdhandles;
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startinfo.hStdInput = g_fds.p[0].handle;
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startinfo.hStdOutput = g_fds.p[1].handle;
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startinfo.hStdError = g_fds.p[2].handle;
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for (i = 2; i < g_fds.n; ++i) {
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if (g_fds.p[i].kind != kFdEmpty && (g_fds.p[i].flags & O_CLOEXEC)) {
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close(i);
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}
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}
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rc = ntspawn(program, argv, envp, NULL, NULL, NULL, true, 0, NULL, &startinfo,
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&procinfo);
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if (rc == -1) return -1;
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CloseHandle(procinfo.hThread);
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do {
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WaitForSingleObject(procinfo.hProcess, -1);
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dwExitCode = kNtStillActive;
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GetExitCodeProcess(procinfo.hProcess, &dwExitCode);
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} while (dwExitCode == kNtStillActive);
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CloseHandle(procinfo.hProcess);
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ExitProcess(dwExitCode);
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}
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