SYS_VMSPACE_PREAD          = 492 // { ssize_t vmspace_pread(void *id, void *buf, \
	SYS_VMSPACE_PWRITE         = 493 // { ssize_t vmspace_pwrite(void *id, const void *buf, \
	SYS_EXTEXIT                = 494 // { void extexit(int how, int status, void *addr); }
	SYS_LWP_CREATE             = 495 // { int lwp_create(struct lwp_params *params); }
	SYS_LWP_GETTID             = 496 // { lwpid_t lwp_gettid(void); }

	SYS_VMSPACE_PWRITE         = 493 // { ssize_t vmspace_pwrite(void *id, const void *buf, size_t nbyte, int flags, off_t offset); }
	SYS_EXTEXIT                = 494 // { void extexit(int how, int status, void *addr); }
	SYS_LWP_CREATE             = 495 // { int lwp_create(struct lwp_params *params); }
	SYS_LWP_GETTID             = 496 // { lwpid_t lwp_gettid(void); }

	bghelpers.Wait()

	xexit(2)
}

var atexits []func()

// xexit exits the process with return code n.
func xexit(n int) {
	for i := len(atexits) - 1; i >= 0; i-- {
		atexits[i]()
	}
	os.Exit(n)
}

// xatexit schedules the exit-handler f to be run when the program exits.
func xatexit(f func()) {
	atexits = append(atexits, f)
}

          the extent possible, the Licensor waives and/or agrees not to
          assert any such rights held by the Licensor to the limited
          extent necessary to allow You to exercise the Licensed
          Rights, but not otherwise.

       2. Patent and trademark rights are not licensed under this
          Public License.

       3. To the extent possible, the Licensor waives any right to

   order, or regulation then You must: (a) comply with the terms of this License
   to the maximum extent possible; and (b) describe the limitations and the code
   they affect. Such description must be placed in a text file included with all
   distributions of the Covered Software under this License. Except to the
   extent prohibited by statute or regulation, such description must be

   order, or regulation then You must: (a) comply with the terms of this License
   to the maximum extent possible; and (b) describe the limitations and the code
   they affect. Such description must be placed in a text file included with all
   distributions of the Covered Software under this License. Except to the
   extent prohibited by statute or regulation, such description must be

   order, or regulation then You must: (a) comply with the terms of this License
   to the maximum extent possible; and (b) describe the limitations and the code
   they affect. Such description must be placed in a text file included with all
   distributions of the Covered Software under this License. Except to the
   extent prohibited by statute or regulation, such description must be

   judicial order, or regulation then You must: (a) comply with the terms of
   this License to the maximum extent possible; and (b) describe the
   limitations and the code they affect. Such description must be placed in a
   text file included with all distributions of the Covered Software under
   this License. Except to the extent prohibited by statute or regulation,
   such description must be sufficiently detailed for a recipient of ordinary

// Pos and End describe the scope's source code extent [pos, end).
// The results are guaranteed to be valid only if the type-checked
// AST has complete position information. The extent is undefined
// for Universe and package scopes.
func (s *Scope) Pos() syntax.Pos { return s.pos }
func (s *Scope) End() syntax.Pos { return s.end }

// Contains reports whether pos is within the scope's extent.

// Pos and End describe the scope's source code extent [pos, end).
// The results are guaranteed to be valid only if the type-checked
// AST has complete position information. The extent is undefined
// for Universe and package scopes.
func (s *Scope) Pos() token.Pos { return s.pos }
func (s *Scope) End() token.Pos { return s.end }

// Contains reports whether pos is within the scope's extent.