Record and File Locking
Chapter Updated 2/1/99
| Error Code | Description | 
|---|---|
| EBADF | Invalid file descriptor | 
| EINVAL | Invalid lock information or file does not support locks | 
| EACCESS EAGAIN | Lock can not be set because it is blocked by an existing lock on the file. | 
| ENOLCK | The system is out of lock resources, too many file locks in place. | 
| EDEADLK | Deadlock condition | 
| EINTR | Process was interrupted by a signal while it was waiting | 
