diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/asm-generic/errno.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/uapi/asm-generic/errno.h b/include/uapi/asm-generic/errno.h index 1e1ea6e6e7a5..88e0914cf2d9 100644 --- a/include/uapi/asm-generic/errno.h +++ b/include/uapi/asm-generic/errno.h @@ -6,7 +6,16 @@ #define EDEADLK 35 /* Resource deadlock would occur */ #define ENAMETOOLONG 36 /* File name too long */ #define ENOLCK 37 /* No record locks available */ -#define ENOSYS 38 /* Function not implemented */ + +/* + * This error code is special: arch syscall entry code will return + * -ENOSYS if users try to call a syscall that doesn't exist. To keep + * failures of syscalls that really do exist distinguishable from + * failures due to attempts to use a nonexistent syscall, syscall + * implementations should refrain from returning -ENOSYS. + */ +#define ENOSYS 38 /* Invalid system call number */ + #define ENOTEMPTY 39 /* Directory not empty */ #define ELOOP 40 /* Too many symbolic links encountered */ #define EWOULDBLOCK EAGAIN /* Operation would block */ |