The Linux Kernel
Linux Kernel Documentation
Introduction
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Writing kernel-doc comments
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Linux Kernel Development Documentation
A guide to the Kernel Development Process
Development tools for the kernel
Coccinelle
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kcov: code coverage for fuzzing
Using gcov with the Linux kernel
The Kernel Address Sanitizer (KASAN)
The Undefined Behavior Sanitizer - UBSAN
Kernel Memory Leak Detector
Getting started with kmemcheck
Debugging kernel and modules via gdb
The Linux driver implementer’s API guide
Driver Basics
Device drivers infrastructure
Message-based devices
Sound Devices
Frame Buffer Library
Input Subsystem
Serial Peripheral Interface (SPI)
I
2
C and SMBus Subsystem
High Speed Synchronous Serial Interface (HSI)
Parallel Port Devices
16x50 UART Driver
Pulse-Width Modulation (PWM)
Linux Media Subsystem Documentation
Linux Media Infrastructure userspace API
Media subsystem kernel internal API
Linux Digital TV driver-specific documentation
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Linux GPU Driver Developer’s Guide
Introduction
DRM Internals
DRM Memory Management
Kernel Mode Setting (KMS)
Mode Setting Helper Functions
Userland interfaces
drm/i915 Intel GFX Driver
VGA Switcheroo
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Linux 802.11 Driver Developer’s Guide
Introduction
cfg80211 subsystem
mac80211 subsystem (basics)
mac80211 subsystem (advanced)
Hardware vulnerabilities
L1TF - L1 Terminal Fault
MDS - Microarchitectural Data Sampling
TAA - TSX Asynchronous Abort
iTLB multihit
x86 architecture specifics
Microarchitectural Data Sampling (MDS) mitigation
TSX Async Abort (TAA) mitigation
The Linux Kernel
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Linux Media Subsystem Documentation
»
Linux Media Infrastructure userspace API
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Part II - Digital TV API
»
4. DVB CA Device
»
4.2. CA Function Calls
»
4.2.2. DVB CA close()
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4.2.2. DVB CA close()
¶
4.2.2.1. Name
¶
DVB CA close()
4.2.2.2. Synopsis
¶
int
close
(
int
fd
)
¶
4.2.2.3. Arguments
¶
fd
File descriptor returned by a previous call to
open()
.
4.2.2.4. Description
¶
This system call closes a previously opened CA device.
4.2.2.5. Return Value
¶
EBADF
fd is not a valid open file descriptor.