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New posts in system-calls
How to hook system calls of my android app (non rooted device)
Sep 20, 2022
android
hook
system-calls
function-interposition
library-interposition
Why do x86-64 Linux system calls work with 6 registers set?
Apr 06, 2022
linux-kernel
operating-system
x86-64
system-calls
abi
Using ptrace to track all execve() calls across children
Oct 23, 2022
c
linux
system-calls
ptrace
What exactly happens when I hit the Enter button in terms of system_read interrupt, assembly?
Aug 19, 2018
linux
assembly
system-calls
Why is Linux syscall return type "long"?
Mar 12, 2019
c
linux
linux-kernel
system-calls
How does sched_setaffinity() work?
Nov 09, 2022
c
linux
kernel
multicore
system-calls
Why can the execve system call run "/bin/sh" without any argv arguments, but not "/bin/ls"?
Aug 21, 2022
c
linux
system-calls
glibc
shellcode
open() doesn't set O_CLOEXEC flag
Mar 28, 2022
c
linux
kernel
system-calls
fcntl
Difference in ABI between x86_64 Linux functions and syscalls
Apr 08, 2022
assembly
linux-kernel
x86-64
system-calls
abi
Why do we need to call poll_wait in poll?
Sep 14, 2022
linux
linux-kernel
linux-device-driver
system-calls
epoll
Difference between ptrace(PTRACE_PEEKUSER) and ptrace(PTRACE_PEEKDATA)?
Sep 10, 2020
c
system-calls
strace
ptrace
How to know if a Linux system call is restartable or not?
Sep 24, 2022
c
linux
posix
system-calls
Why is my "cat" function with system calls slower compared to Linux's "cat"?
Oct 18, 2022
c
linux
system-calls
cat
How to retrieve the user name from the user ID
Nov 18, 2022
c
unix
system-calls
file-descriptor
stat
How to set ulimit -n from a golang program?
Sep 07, 2022
network-programming
operating-system
go
system-calls
ulimit
Implementation of system calls / traps within Linux kernel source
Aug 17, 2022
c
linux-kernel
kernel
system-calls
Separating a string in C++
Sep 06, 2022
c++
string
strtok
system-calls
In QEMU, is it possible to intercept packets being sent/received by the Linux Guest OS?
Nov 11, 2022
linux
sockets
virtualization
system-calls
qemu
Difference between __NR_gettid and SYS_gettid
Nov 24, 2021
c
linux
system-calls
Cross platform way of testing whether a file is a directory
Feb 26, 2017
unix
posix
system-calls
dirent.h
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