getufdflags and setufdflags Kernel Services
Purpose
Queries and sets file-descriptor flags.
Syntax
#include <sys/user.h> int getufdflags(fd, flagsp) int fd; int *flagsp; #include <sys/user.h> int setufdflags(fd, flags) int fd; int flags;
Parameters
| Item | Description |
|---|---|
| fd | Identifies the file descriptor. |
| flags | Sets attribute flags for the specified file descriptor. Refer to the sys/user.h file for the list of valid flags. |
| flagsp | Points to an integer field where the flags associated with the file descriptor are stored on successful return. |
Description
The setufdflags and getufdflags kernel services set and query the file descriptor flags. The file descriptor flags are listed in fontl.h.
Execution Environment
These kernel services can be called from the process environment only.
Return Values
| Item | Description |
|---|---|
| 0 | Indicates successful completion. |
| EBADF | Indicates that the fd parameter is not a file descriptor for an open file. |