-close_execfail_fail:
- close_noerr(execfail[0]);
- close_noerr(execfail[1]);
-close_errfromchild_fail:
- if (fd_errfromchild)
- close_noerr(errfromchild[0]);
- close_noerr(errfromchild[1]);
-close_fromchild_fail:
- if (fd_fromchild)
- close_noerr(fromchild[0]);
- close_noerr(fromchild[1]);
-close_tochild_fail:
- close_noerr(tochild[0]);
- if (fd_tochild)
- close_noerr(tochild[1]);