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The Old New Thing
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Latest posts
Last updated 1 day ago
Developing a cross-process reader/writer lock with limited readers, part 4: Abandonment
2 days ago
We’ve been building a cross-process reader/writer lock with a cap on the...
Developing a cross-process reader/writer lock with limited readers, part 3: Fairness
3 days ago
We’ve been building a cross-process reader/writer lock with a cap on the...
Developing a cross-process reader/writer lock with limited readers, part 2: Taking turns when being grabby
4 days ago
Last time, we built a cross-process reader/writer lock with a cap on...
Developing a cross-process reader/writer lock with limited readers, part 1: A semaphore
5 days ago
Say you want to have the functionality of a reader/writer lock, but...
Looking at consequences of passing too few register parameters to a C function on various architectures
6 days ago
In our exploration of calling conventions for various processors on Windows, we...
Defending against exceptions in a scope_exit RAII type
9 days ago
One of the handy helpers in the Windows Implementation Library (WIL) is...
Another crash caused by uninstaller code injection into Explorer
10 days ago
Some time ago, I noted that any sufficiently advanced uninstaller is indistinguishable...
Mapping the page tables into memory via the page tables
11 days ago
On the 80386 processor, there is a trick for mapping the page...
Sure, xor’ing a register with itself is the idiom for zeroing it out, but why not sub?
12 days ago
Matt Godbolt, probably best known for being the proprietor of Compiler Explorer...
How did code handle 24-bit-per-pixel formats when using video cards with bank-switched memory?
13 days ago
On the topic of what happens if an access violation straddles multiple...
Forgotten message from the past: LB_INITSTORAGE
16 days ago
The classic Win32 list box control lets you preallocate memory in anticipation...
What’s up with window message 0x0091? We’re getting it with unexpected parameters
17 days ago
A customer, via their customer liaison, reported quite some time ago that...