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i386_set_ioperm.2freebsd
Langue: en
Version: 265963 (debian - 07/07/09)
Section: 2 (Appels système)
BSD mandoc
NAME
i386_get_ioperm i386_set_ioperm - manage per-process access to the i386 I/O port spaceLIBRARY
Lb libcSYNOPSIS
In machine/sysarch.h Ft int Fn i386_get_ioperm unsigned int start unsigned int *length int *enable Ft int Fn i386_set_ioperm unsigned int start unsigned int length int enableDESCRIPTION
The Fn i386_get_ioperm system call will return the permission for the process' I/O port space in the Fa *enable argument. The port range starts at Fa start and the number of contiguous entries will be returned in Fa *length .The Fn i386_set_ioperm system call will set access to a range of I/O ports described by the Fa start and Fa length arguments to the state specified by the Fa enable argument.
RETURN VALUES
Rv -stdERRORS
The Fn i386_get_ioperm and Fn i386_set_ioperm system calls will fail if:- Bq Er EINVAL
- An invalid range was specified by the Fa start or Fa length arguments.
- Bq Er EPERM
- The caller of i386_set_ioperm was not the superuser.
SEE ALSO
io(4)AUTHORS
This man page was written by An Jonathan Lemon .Contenus ©2006-2024 Benjamin Poulain
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