69 lines
3.4 KiB
C
69 lines
3.4 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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│ 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/hefty/internal.h"
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#include "libc/calls/hefty/ntspawn.h"
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#include "libc/calls/internal.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/fileno.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/sock.h"
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textwindows int execve$nt(const char *program, char *const argv[],
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char *const envp[]) {
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int 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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if (ntspawn(program, argv, envp, NULL, NULL, true, 0, NULL, &startinfo,
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&procinfo) == -1) {
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return -1;
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}
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CloseHandle(procinfo.hThread);
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for (i = 0; i < g_fds.n; ++i) {
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if (g_fds.p[i].kind != kFdEmpty) {
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close(i);
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}
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}
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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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ExitProcess(dwExitCode);
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}
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