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New posts in system-calls

Why is data written to a file opened with O_APPEND flag, always written at the end, even with `lseek`?

c linux unix kernel system-calls

What is the difference between system call and library call?

linux operating-system system-calls libraries terminology

How does a system call translate to CPU instructions?

c system-calls

How do SYSCALL/SYSRET instructions perform across x86 CPUs?

performance x86 kernel system-calls

Is there a better way than parsing /proc/self/maps to figure out memory protection?

c linux system-calls mprotect virtualquery

Is "asmlinkage" required for a c function to be called from assembly?

c assembly linux-kernel system-calls calling-convention

Programmatically getting UID and GID from username in Unix?

c++ c unix privileges system-calls

How to figure out if a file is a link?

c linux symlink system-calls stat

Difference between write() and printf()

unix io operating-system system-calls

Interpret dtruss output like “psynch_cvwait(...) = -1 Err#316”

macos wait system-calls dtrace darwin

What is the difference between `read` and `sysread`?

perl io system-calls

How can I get a list of Linux system calls and number of args they take automatically?

c system-calls

Is malloc/free a syscall or a library routine provided by libc?

c linux system-calls libc

Make syscall in Python

python python-2.7 system-calls

How does this C program without libc work?

c assembly x86-64 system-calls abi

History of syscalls added to Linux?

c linux assembly system-calls

Python: waiting for external launched process finish

python system-calls

What is meant by "blocking system call"?

c multithreading operating-system system-calls

How to Dynamically Allocate Memory Using Assembly and System Calls Under Linux

linux assembly system-calls dynamic-memory-allocation

wait3 (waitpid alias) returns -1 with errno set to ECHILD when it should not

c linux system-calls zombie-process waitpid
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