| Value | Meaning |
|---|---|
| FORK0 | Fork failed due to lack of memory. |
| READ1 | Read or select on pipes failed. |
| CHDIR2 | Changing to working directory failed. |
| ACCES3 | execv() returned EACCES |
| PERM4 | execv() returned EPERM |
| TOO_BIG5 | execv() returned E2BIG |
| NOEXEC6 | execv() returned ENOEXEC |
| NAMETOOLONG7 | execv() returned ENAMETOOLONG |
| NOENT8 | execv() returned ENOENT |
| NOMEM9 | execv() returned ENOMEM |
| NOTDIR10 | execv() returned ENOTDIR |
| LOOP11 | execv() returned ELOOP |
| TXTBUSY12 | execv() returned ETXTBUSY |
| IO13 | execv() returned EIO |
| NFILE14 | execv() returned ENFILE |
| MFILE15 | execv() returned EMFILE |
| INVAL16 | execv() returned EINVAL |
| ISDIR17 | execv() returned EISDIR |
| LIBBAD18 | execv() returned ELIBBAD |
| FAILED19 | Some other fatal failure, error->message should explain. |
Error codes returned by spawning processes.