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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/hefty/internal.h"
#include "libc/calls/hefty/ntspawn.h"
#include "libc/calls/internal.h"
#include "libc/nt/enum/startf.h"
#include "libc/nt/runtime.h"
#include "libc/nt/struct/startupinfo.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/fileno.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/sock.h"
static textwindows int64_t passstdhand$nt(int fd) {
if (g_fds.p[fd].kind != kFdEmpty &&
!(g_fds.p[fd].flags &
(g_fds.p[fd].kind == kFdSocket ? SOCK_CLOEXEC : O_CLOEXEC))) {
return g_fds.p[fd].handle;
} else {
return -1;
}
}
textwindows int execve$nt(const char *program, char *const argv[],
char *const envp[]) {
struct NtStartupInfo startinfo;
memset(&startinfo, 0, sizeof(startinfo));
startinfo.cb = sizeof(struct NtStartupInfo);
startinfo.dwFlags = kNtStartfUsestdhandles;
startinfo.hStdInput = passstdhand$nt(STDIN_FILENO);
startinfo.hStdOutput = passstdhand$nt(STDOUT_FILENO);
startinfo.hStdError = passstdhand$nt(STDERR_FILENO);
if (ntspawn(program, argv, envp, NULL, NULL, true, 0, NULL, &startinfo,
NULL) != -1) {
for (;;) TerminateProcess(GetCurrentProcess(), 0);
}
return -1;
}