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New posts in system-calls
Why the linux read ip register from rcx register in the entry_SYSCALL_64 function?
Mar 04, 2026
assembly
linux-kernel
operating-system
system-calls
cpu-registers
Using r8 register as a loop counter results in endless loop - why?
Mar 01, 2026
linux
assembly
x86-64
nasm
system-calls
How does a syscall knows where the wrapper function put its parameters in?
Feb 28, 2026
linux
system-calls
Return value size or type of a system call in Linux
Feb 28, 2026
c
linux-kernel
system-calls
finding the username in a linux system call
Feb 25, 2026
linux
kernel
system-calls
What is the print format for atomic_long_t for printk in C
Feb 24, 2026
c
linux
linux-kernel
operating-system
system-calls
Why does fflush() affect the output of forked processes?
Feb 22, 2026
c
operating-system
buffer
fork
system-calls
CreateProcess with golang
Feb 21, 2026
go
system-calls
How can I return something else than 0 from a FreeBSD system call
Feb 13, 2026
kernel
return-value
freebsd
system-calls
Meaning of address' in System.map file
Feb 11, 2026
linux
memory
linux-kernel
system-calls
For wrappers around syscalls that retry on EINTR, how many times does retrying make sense?
Feb 09, 2026
c
unix
posix
system-calls
errno
How to use ptrace(2) to change behaviour of syscalls?
Feb 08, 2026
linux
hook
system-calls
code-injection
ptrace
What are RSEQs (Restartable Sequences) and how to use them?
Feb 01, 2026
c++
linux
optimization
system-calls
restartable-sequence
How to decode arg pointer in ioctl() system call in Linux 2.6.29?
Jan 29, 2026
c
linux
linux-kernel
system-calls
ioctl
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