jos/inc/error.h
Anish Athalye c67463e23c Lab 5
2018-10-24 20:44:45 -04:00

33 lines
1008 B
C

/* See COPYRIGHT for copyright information. */
#ifndef JOS_INC_ERROR_H
#define JOS_INC_ERROR_H
enum {
// Kernel error codes -- keep in sync with list in lib/printfmt.c.
E_UNSPECIFIED = 1, // Unspecified or unknown problem
E_BAD_ENV , // Environment doesn't exist or otherwise
// cannot be used in requested action
E_INVAL , // Invalid parameter
E_NO_MEM , // Request failed due to memory shortage
E_NO_FREE_ENV , // Attempt to create a new environment beyond
// the maximum allowed
E_FAULT , // Memory fault
E_IPC_NOT_RECV , // Attempt to send to env that is not recving
E_EOF , // Unexpected end of file
// File system error codes -- only seen in user-level
E_NO_DISK , // No free space left on disk
E_MAX_OPEN , // Too many files are open
E_NOT_FOUND , // File or block not found
E_BAD_PATH , // Bad path
E_FILE_EXISTS , // File already exists
E_NOT_EXEC , // File not a valid executable
E_NOT_SUPP , // Operation not supported
MAXERROR
};
#endif // !JOS_INC_ERROR_H */