Memory sealing for the GNU C Library [LWN.net]
Please consider subscribing to LWNSubscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on the net. The mseal() system call allows a process to prevent any future changes to portions of its address space (thus "sealing" them); it
Object-oriented design patterns in the kernel, part 1 [LWN.net]
Object-oriented design patterns in the kernel, part 1 Despite the fact that the Linux Kernel is mostly written in C, it makes broad use of some techniques from the field of object-oriented programming. Developers wanting to use these object-oriented techniques receive little support or guidance from the language and so are left to fend for themselves. As is often the case, this is a double-edged s
GCC's move to C++ [LWN.net]
Please consider subscribing to LWN Subscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on the net. The GNU Compiler Collection (GCC) was, from its inception, written in C and compiled by a C compiler. Beginning in 2008, an effor
No-GIL mode coming for Python [LWN.net]
The Python Steering Council has announced its intent to accept PEP 703 (Making the Global Interpreter Lock Optional in CPython), with initial support possibly showing up in the 3.13 release. There are still some details to work out, though. We want to be very careful with backward compatibility. We do not want another Python 3 situation, so any changes in third-party code needed to accommodate no-
An introduction to lockless algorithms [LWN.net]
Please consider subscribing to LWNSubscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on the net. Lockless algorithms are of interest for the Linux kernel when traditional locking primitives either cannot be used or are not perf
The early days of Linux [LWN.net]
LWN.net needs you!Without subscribers, LWN would simply not exist. Please consider signing up for a subscription and helping to keep LWN publishing My name is Lars Wirzenius, and I was there when Linux started. Linux is now a global success, but its beginnings were rather more humble. These are my memories of the earliest days of Linux, its creation, and the start of its path to where it is today.
Ubuntu stops shipping Flatpak by default [LWN.net]
Did you know...?LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. Canonical recently announced that it will no longer ship Flatpak as part of its default installation for the various official Ubuntu flavors, which is in keeping with the practices of the core Ubuntu distribut
Nolibc: a minimal C-library replacement shipped with the kernel [LWN.net]
Nolibc: a minimal C-library replacement shipped with the kernel Benefits for LWN subscribersThe primary benefit from subscribing to LWN is helping to keep us publishing, but, beyond that, subscribers get immediate access to all site content and access to a number of extra site features. Please sign up today! The kernel project does not host much user-space code in its repository, but there are exc
The state of the AWK [LWN.net]
Please consider subscribing to LWNSubscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on the net. AWK is a text-processing language with a history spanning more than 40 years. It has a POSIX standard, several conforming implemen
Formalizing f-strings [LWN.net]
This article brought to you by LWN subscribersSubscribers to LWN.net made this article — and everything that surrounds it — possible. If you appreciate our content, please buy a subscription and make the next set of articles possible. Python's formatted strings, or "f-strings", came relatively late to the language, but have become a popular feature. F-strings allow a compact representation for the
BPF for HID drivers [LWN.net]
Did you know...?LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. The Human Interface Device (HID) standard dates back to the Windows 95 era. It describes how devices like mice and keyboards present themselves to the host computer, and has created a world where a single driv
TCP connection repair [LWN.net]
This article brought to you by LWN subscribersSubscribers to LWN.net made this article — and everything that surrounds it — possible. If you appreciate our content, please buy a subscription and make the next set of articles possible. Migrating a running container from one physical host to another is a tricky job on a number of levels. Things get even harder if, as is likely, the container has act
Kernel 6.0 released [LWN.net]
Linus has released the 6.0 kernel as expected. So, as is hopefully clear to everybody, the major version number change is more about me running out of fingers and toes than it is about any big fundamental changes. But of course there's a lot of various changes in 6.0 - we've got over 15k non-merge commits in there in total, after all, and as such 6.0 is one of the bigger releases at least in numbe
CPython, C standards, and IEEE 754 [LWN.net]
LWN.net needs you!Without subscribers, LWN would simply not exist. Please consider signing up for a subscription and helping to keep LWN publishing Perhaps February was "compiler modernization" month. The Linux kernel recently decided to move to the C11 standard for its code; Python has just undergone a similar process for determining which flavor of C to use for building its CPython reference imp
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The complexity of BUSL transformation [LWN.net]
Microdot: a web framework for microcontrollers [LWN.net]
The BPF-programmable network device
Progress on no-GIL CPython [LWN.net]
Better CPU selection for timer expiration [LWN.net]
The road to Zettalinux [LWN.net]