}

void
_cgo_libc_setresgid(argset_t* x) {
	SET_RETVAL(setresgid((gid_t) x->args[0], (gid_t) x->args[1],
			     (gid_t) x->args[2]));
}

void
_cgo_libc_setresuid(argset_t* x) {
	SET_RETVAL(setresuid((uid_t) x->args[0], (uid_t) x->args[1],
			     (uid_t) x->args[2]));
}

void
_cgo_libc_setreuid(argset_t* x) {
	SET_RETVAL(setreuid((uid_t) x->args[0], (uid_t) x->args[1]));

)

type Passwd struct {
	Name   *byte
	Passwd *byte
	Uid    uint32 // uid_t
	Gid    uint32 // gid_t
	Change int64  // time_t
	Class  *byte
	Gecos  *byte
	Dir    *byte
	Shell  *byte
	Expire int64 // time_t
}

type Group struct {
	Name   *byte
	Passwd *byte
	Gid    uint32 // gid_t
	Mem    **byte
}

//go:cgo_import_dynamic libc_getpwnam_r getpwnam_r  "/usr/lib/libSystem.B.dylib"

	*perr = getgrnam_r(name, &grp, buf, buflen, &result);
	*found = result != NULL;
	return grp;
}
*/
import "C"

type _C_char = C.char
type _C_int = C.int
type _C_gid_t = C.gid_t
type _C_uid_t = C.uid_t
type _C_size_t = C.size_t
type _C_struct_group = C.struct_group
type _C_struct_passwd = C.struct_passwd
type _C_long = C.long

func _C_pw_uid(p *_C_struct_passwd) _C_uid_t   { return p.pw_uid }

		err1 = setpgid(0, uintptr(sys.Pgid))
		if err1 != 0 {
			goto childerror
		}
	}

	if sys.Foreground {
		pgrp = _Pid_t(sys.Pgid)
		if pgrp == 0 {
			r1, err1 = getpid()
			if err1 != 0 {
				goto childerror
			}

			pgrp = _Pid_t(r1)
		}

		// Place process group in foreground.
		err1 = ioctl(uintptr(sys.Ctty), uintptr(TIOCSPGRP), uintptr(unsafe.Pointer(&pgrp)))

package user

/*
#include <unistd.h>
#include <sys/types.h>
#include <grp.h>

static int mygetgrouplist(const char* user, gid_t group, gid_t* groups, int* ngroups) {
	return getgrouplist(user, group, groups, ngroups);
}
*/
import "C"

func getGroupList(name *_C_char, userGID _C_gid_t, gids *_C_gid_t, n *_C_int) _C_int {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package unix

import (
	"syscall"
	"unsafe"
)

// Note that pgid should really be pid_t, however _C_int (aka int32) is
// generally equivalent.

func Tcsetpgrp(fd int, pgid int32) (err error) {

package unix

import (
	"syscall"
	"unsafe"
)

//go:linkname ioctlPtr syscall.ioctlPtr
func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error)

// Note that pgid should really be pid_t, however _C_int (aka int32) is
// generally equivalent.

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(fd, syscall.TIOCSPGRP, unsafe.Pointer(&pgid))

// license that can be found in the LICENSE file.

//go:build darwin || dragonfly || freebsd || netbsd || openbsd

package syscall

import (
	"unsafe"
)

// pgid should really be pid_t, however _C_int (aka int32) is generally
// equivalent.

func Tcgetpgrp(fd int) (pgid int32, err error) {
	if err := ioctlPtr(fd, TIOCGPGRP, unsafe.Pointer(&pgid)); err != nil {
		return -1, err
	}
	return pgid, nil

file.  Sigh.
*/

package runtime

/*
#cgo CFLAGS: -I/tmp/linux/arch/x86/include -I/tmp/linux/include -D_LOOSE_KERNEL_NAMES -D__ARCH_SI_UID_T=__kernel_uid32_t

#define size_t __kernel_size_t
#define pid_t int
#include <asm/signal.h>
#include <asm/mman.h>
#include <asm/sigcontext.h>
#include <asm/ucontext.h>
#include <asm/siginfo.h>
#include <asm-generic/errno.h>
#include <asm-generic/fcntl.h>

		// Place child in process group.
		_, _, err1 = RawSyscall(SYS_SETPGID, 0, uintptr(sys.Pgid), 0)
		if err1 != 0 {
			goto childerror
		}
	}

	if sys.Foreground {
		// This should really be pid_t, however _C_int (aka int32) is
		// generally equivalent.
		pgrp = _C_int(sys.Pgid)
		if pgrp == 0 {
			r1, _, err1 = RawSyscall(SYS_GETPID, 0, 0, 0)
			if err1 != 0 {
				goto childerror
			}