In computing, ioctl (an abbreviation of input/output control) is a system call for device-specific input/output operations and other operations which...
20 KB (2,577 words) - 21:50, 20 April 2024
code is now used to indicate that an invalid ioctl (input/output control) number was specified in an ioctl system call. This error originated in early...
5 KB (605 words) - 11:15, 24 August 2024
POSIX/SUS-compatible. Kernel mode Linux kernel stat, splice, dup, read, open, ioctl, write, mmap, close, exit, etc. (about 380 system calls) The Linux kernel...
107 KB (9,934 words) - 22:23, 25 August 2024
to talk to the GPU must open this file and use ioctl calls to communicate with DRM. Different ioctls correspond to different functions of the DRM API...
108 KB (10,075 words) - 05:56, 29 June 2024
strace 5.12). strace supports decoding of arguments of some classes of ioctl commands, such as BTRFS_*, V4L2_*, DM_*, NSFS_*, MEM*, EVIO*, KVM_*, and...
33 KB (2,113 words) - 18:12, 26 July 2024
AF_NETLINKsocket family. Netlink is designed to be a more flexible successor to ioctl; RFC 3549 describes the protocol in detail. Netlink was created by Alexey...
11 KB (1,062 words) - 07:12, 21 April 2023
with an ioctl interface may also include: /dev/pf – allows userland processes to control PF through an ioctl interface. /dev/bio – provides ioctl access...
36 KB (3,365 words) - 22:35, 24 August 2024
Block (CDB) messages to SCSI devices. The interfaces are IOCTL_SCSI_PASS_THROUGH and IOCTL_SCSI_PASS_THROUGH_DIRECT. Applications can build a pass-through...
3 KB (267 words) - 09:42, 21 January 2023
hardware monitoring, whereas NetBSD uses the ioctl system call for its sysmon envsys counterpart. Both sysctl and ioctl are the two system calls which can be...
9 KB (932 words) - 21:49, 20 April 2024
at the expense of occasionally requiring additional mechanisms such as ioctl and mode flags to access features of the hardware that did not fit the simple...
53 KB (5,614 words) - 06:30, 19 July 2024
(ext4, Btrfs, XFS, JFS, FAT32, and many more). Configurable I/O schedulers, ioctl(2) syscall that manipulates the underlying device parameters of special...
189 KB (17,759 words) - 02:40, 27 August 2024
from the original on October 1, 2020. Retrieved March 3, 2021. "DOS 3.1+ - IOCTL — Check If Handle Is Remote". Ralf Brown's Interrupt List. Archived from...
88 KB (9,315 words) - 23:32, 25 August 2024
by the chattr command. Programs can examine and alter attributes using ioctl operations. Many Linux file systems support only a limited set of attributes...
17 KB (1,767 words) - 14:28, 11 April 2024
is based on standard Unix devices system calls (i.e. POSIX read, write, ioctl, etc.). The term also sometimes refers to the software in a Unix kernel...
11 KB (1,029 words) - 18:38, 1 May 2024
easily be implemented using the Windows API, such as fork(), mmap() and ioctl(). Applications written using a cross-platform library that has itself been...
15 KB (1,495 words) - 13:07, 23 May 2024
formatted in HFS+. Third-party bootloaders needed to be "blessed" by a special ioctl command before becoming bootable by the firmware, a relic of the System...
14 KB (1,537 words) - 11:13, 6 July 2024
usually become reduced to a serial line or its emulation, possibly with few ioctl()s as an out-of-band channel in such cases as Telnet and Secure Shell. This...
15 KB (1,834 words) - 14:55, 25 July 2024
more complex operations, the programs can use console and terminal special ioctl system calls. One can compare devices using the patterns vcs ("virtual console...
15 KB (1,891 words) - 00:20, 30 July 2024
<net/if.h> #include <sys/types.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <linux/can.h> #include <linux/can/raw.h> int main(void) { int...
6 KB (796 words) - 04:31, 21 June 2022
POSIX/SUS-compatible. Kernel mode Linux kernel stat, splice, dup, read, open, ioctl, write, mmap, close, exit, etc. (about 380 system calls) The Linux kernel...
5 KB (514 words) - 19:48, 30 July 2024
and accesses all objects as a file would be accessed (i.e., there is no ioctl or mmap): networking, graphics, debugging, authentication, capabilities...
76 KB (9,843 words) - 22:39, 21 August 2024
believed to be a denial of service vulnerability. With the use of the TIOCSTI ioctl, it was possible for authenticated users to inject characters into other...
26 KB (2,778 words) - 01:07, 16 July 2024
shutdown() (shuts down one or both halves of a full duplex connection) ioctl() (a large collection of miscellaneous operations on a single file descriptor...
13 KB (1,192 words) - 14:27, 6 January 2024
is performed with the help of envstat utility through proplib(3) through ioctl(2) against the /dev/sysmon pseudo-device file, the powerd power management...
10 KB (860 words) - 10:03, 28 April 2022
damage requests from its clients and then re-composites the screen. The compositor can then directly issue an ioctl to schedule a pageflip with KMS....
125 KB (9,473 words) - 03:29, 21 August 2024
booted. Interfacing between the kernel and userland is performed through the ioctl system call through the /dev/bio pseudo-device. The bio/bioctl subsystem...
17 KB (1,483 words) - 04:20, 26 September 2023
by writing a zero character to /dev/watchdog or by calling a KEEPALIVE ioctl. The device driver, which serves to abstract the watchdog hardware from...
17 KB (2,154 words) - 14:57, 28 January 2024
querying and modifying all of these modes and control characters was the ioctl() system call. (This replaced the stty() and gtty() system calls of Sixth...
14 KB (1,354 words) - 04:17, 4 October 2023
device driver software, and a userspace API based on the Linux SIOCETHTOOL ioctl mechanism through which application programs can communicate with the kernel...
6 KB (589 words) - 18:19, 17 July 2024
system calls of the Direct Rendering Manager, especially the driver-private ioctls for the command submission, are not part of the POSIX specifications. Advanced...
16 KB (1,718 words) - 15:42, 19 April 2024