c - Linux - ioctl with FIONREAD always 0 - Stack Overflow
WebDec 13, 2023 · I'm trying to get to know how many bytes there are readable at my TCP socket. I am calling ioctl with the Flag "FIONREAD" which should actually give me this …
Winsock IOCTL (Winsock2.h) - Win32 apps | Microsoft Learn
WebJun 13, 2023 · s パラメーターで渡されたソケットがストリーム指向の場合 (例: SOCK_STREAM型)、FIONREAD は 1 回の受信操作で読み取ることができるデータの …
FIONREAD
WebMar 8, 2024 · Description: This command determine the number of characters waiting to be read. It's also implemented as the DCMD_CHR_ISCHARS devctl () command. Note: …
ioctlsocket 関数 (winsock.h) - Win32 apps | Microsoft Learn
WebDec 15, 2023 · ioctlsocket 関数は、任意の状態の任意のソケットで使用できます。. プロトコルおよび通信サブシステムに関係なく、ソケットに関連付けられているいくつかの …
ソケット IOCTL オペコードの概要 - Win32 apps | Microsoft Learn
WebJun 13, 2023 · FIONREAD <使用されていません> Unsigned long ソケットからアトミックに読み取ることができるデータの量を決定します。 SIOCATMARK <使用されていま …
bpf(4) - NetBSD Manual Pages
WebMar 20, 2024 · FIONREAD (int) Returns the number of bytes that are immediately available for reading. FIONBIO ( int ) Set or clear non-blocking I/O. If arg is non-zero, then doing a …
Landlock: IOCTL support [LWN.net]
WebFeb 9, 2024 · We allow the use of FIONREAD quite liberally, but for non-regular files, this IOCTL command can also be implemented in the VFS layer. It is *technically* possible …
Landlock: IOCTL support [LWN.net]
WebDec 1, 2023 · We make an exception for the common and known-harmless IOCTL commands FIOCLEX, FIONCLEX, FIONBIO and FIONREAD. These IOCTL commands …
FIONSPACE
WebMar 8, 2024 · FIONREAD Determine the number of characters waiting to be read FIONSPACE Get the amount of space in the send queue FIONWRITE Get the number …
IOCTL in Linux Device Drivers Tutorial with Source Code ...
WebJul 3, 2023 · This tutorial helps to understand and implement IOCTL in Linux device drivers to enable communication between user-space and kernel space The Magic Number is a …
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