SYS_UNLINK         = 10  // { int sys_unlink(const char *path); }
	SYS_WAIT4          = 11  // { pid_t sys_wait4(pid_t pid, int *status, int options, struct rusage *rusage); }
	SYS_CHDIR          = 12  // { int sys_chdir(const char *path); }
	SYS_FCHDIR         = 13  // { int sys_fchdir(int fd); }
	SYS_MKNOD          = 14  // { int sys_mknod(const char *path, mode_t mode, dev_t dev); }

//sysnb	Getpid() (pid int)
//sysnb	Getppid() (ppid int)
//sys	Getpriority(which int, who int) (prio int, err error)
//sysnb	Getrlimit(which int, lim *Rlimit) (err error)
//sysnb	Getrusage(who int, rusage *Rusage) (err error)
//sysnb	Getsid(pid int) (sid int, err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)
//sysnb	Getuid() (uid int)
//sys	Issetugid() (tainted bool)
//sys	Kill(pid int, signum Signal) (err error)

	SYS_UNLINK         = 10  // { int sys_unlink(const char *path); }
	SYS_WAIT4          = 11  // { pid_t sys_wait4(pid_t pid, int *status, int options, struct rusage *rusage); }
	SYS_CHDIR          = 12  // { int sys_chdir(const char *path); }
	SYS_FCHDIR         = 13  // { int sys_fchdir(int fd); }
	SYS_MKNOD          = 14  // { int sys_mknod(const char *path, mode_t mode, dev_t dev); }

	SYS_UNLINK         = 10  // { int sys_unlink(const char *path); }
	SYS_WAIT4          = 11  // { pid_t sys_wait4(pid_t pid, int *status, int options, struct rusage *rusage); }
	SYS_CHDIR          = 12  // { int sys_chdir(const char *path); }
	SYS_FCHDIR         = 13  // { int sys_fchdir(int fd); }
	SYS_MKNOD          = 14  // { int sys_mknod(const char *path, mode_t mode, dev_t dev); }

)

// Time

type Timespec C.struct_timespec

type Timeval C.struct_timeval

type Timeval32 C.struct_timeval32

type Timezone C.struct_timezone

// Processes

type Rusage C.struct_rusage

type Rlimit C.struct_rlimit

type _Pid_t C.pid_t

type _Gid_t C.gid_t

// Files

type Flock_t C.struct_flock

type Stat_t C.struct_stat

type Statfs_t C.struct_statfs

	SYS_MSGCTL               = 444 // { int|sys|50|msgctl(int msqid, int cmd, struct msqid_ds *buf); }
	SYS_GETRUSAGE            = 445 // { int|sys|50|getrusage(int who, struct rusage *rusage); }
	SYS_TIMER_SETTIME        = 446 // { int|sys|50|timer_settime(timer_t timerid, int flags, const struct itimerspec *value, struct itimerspec *ovalue); }

	SYS_MSGCTL               = 444 // { int|sys|50|msgctl(int msqid, int cmd, struct msqid_ds *buf); }
	SYS_GETRUSAGE            = 445 // { int|sys|50|getrusage(int who, struct rusage *rusage); }
	SYS_TIMER_SETTIME        = 446 // { int|sys|50|timer_settime(timer_t timerid, int flags, const struct itimerspec *value, struct itimerspec *ovalue); }

func syscall_wait4(pid uintptr, wstatus *uint32, options uintptr, rusage unsafe.Pointer) (wpid int, err uintptr) {
	call := libcall{
		fn:   uintptr(unsafe.Pointer(&libc_wait4)),
		n:    4,
		args: uintptr(unsafe.Pointer(&pid)),
	}
	entersyscallblock()
	asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&call))
	exitsyscall()
	KeepAlive(wstatus)
	KeepAlive(rusage)
	return int(call.r1), call.err
}

//go:nosplit

func (p *ProcessState) Sys() any {
	return p.sys()
}

// SysUsage returns system-dependent resource usage information about
// the exited process. Convert it to the appropriate underlying
// type, such as [*syscall.Rusage] on Unix, to access its contents.
// (On Unix, *syscall.Rusage matches struct rusage as defined in the
// getrusage(2) manual page.)
func (p *ProcessState) SysUsage() any {
	return p.sysUsage()

)

type Timespec struct {
	Sec  int64
	Nsec int64
}

type Timeval struct {
	Sec  int64
	Usec int32
	_    [4]byte
}

type Timeval32 struct {
	Sec  int32
	Usec int32
}

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64