// Rewind stack pointer so anything that happens on the stack
	// will clobber the test pattern created by the caller
	ADD	$(1024*8), X2

	// Ask signaller to setgid
	MOV	$1, X5
	FENCE
	MOVW	X5, ·Baton(SB)
	FENCE

	// Wait for setgid completion
loop:
	FENCE
	MOVW	·Baton(SB), X5
	OR	X6, X6, X6	// hint that we're in a spin loop
	BNE	ZERO, X5, loop
	FENCE

	// Restore stack
	ADD	$(-1024*8), X2

//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error) = SYS_UGETRLIMIT
//sysnb	Getuid() (uid int)
//sys	Ioperm(from int, num int, on int) (err error)

//go:build aix

package syscall

import "unsafe"

//go:cgo_import_dynamic libc_Getpgid getpgid "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Getpgrp getpgrp "libc.a/shr_64.o"

//go:linkname libc_Getpgid libc_Getpgid
//go:linkname libc_Getpgrp libc_Getpgrp

var (
	libc_Getpgid,
	libc_Getpgrp libcFunc
)

func Getpgid(pid int) (pgid int, err error) {

//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
//sysnb	Getuid() (uid int)
//sys	Lchown(path string, uid int, gid int) (err error)
//sys	Listen(s int, n int) (err error)

//sys	fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error) = SYS_UGETRLIMIT
//sysnb	Getuid() (uid int)
//sysnb	InotifyInit() (fd int, err error)

	// BSD mkdir(2) inherits the parent directory group, and other platforms
	// can inherit the parent directory group via setgid. The test setup (chmod
	// setgid) will fail if the process does not have the group permission to
	// the new temporary directory.
	err = os.Chown(setgiddir, os.Getuid(), os.Getgid())
	if err != nil {
		if testenv.SyscallIsNotSupported(err) {
			t.Skip("skipping: chown is not supported on " + runtime.GOOS)

//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	getrlimit(resource int, rlim *Rlimit) (err error)
//sysnb	Getuid() (uid int)
//sys	Listen(s int, n int) (err error)
//sys	MemfdSecret(flags int) (fd int, err error)

//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
//sys	Ftruncate(fd int, length int64) (err error)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
//sysnb	Getuid() (uid int)
//sys	Lchown(path string, uid int, gid int) (err error)
//sys	Listen(s int, n int) (err error)

//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
//sysnb	Getegid() (egid int) = SYS_GETEGID32
//sysnb	Geteuid() (euid int) = SYS_GETEUID32
//sysnb	Getgid() (gid int) = SYS_GETGID32
//sysnb	Getuid() (uid int) = SYS_GETUID32
//sys	Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32
//sys	Listen(s int, n int) (err error)

//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getuid() (uid int)
//sys	Lchown(path string, uid int, gid int) (err error)
//sys	Listen(s int, n int) (err error)