Interview With Sacha Barber in The Code Project. The ABA problem occurs during synchronization, when a location is read twice, has the same value for both reads, and “value is the same” is used to indicate “nothing has changed”. However, another thread can execute between the two reads and change the value, do other work, …
Category Archives: Programming
CreateProcessAsUser fails on Windows XP with System error 233
Today I fixed one bug that was very hard to reproduce. Many hours were spent to figure out what combination caused it: It happens only on Windows XP (not on Vista, Server 2003, 2008, Win 7); It does not happens on all Windows XP, because it is Race condition; I was unable to reproduce it …
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Microsoft’s PowerShell hangs when output is captured using Windows API
I was debugging a program that uses Windows API (Creating a Child Process with Redirected Input and Output) to capture stdout of Microsoft’s Windows PowerShell. Script passed to PowerShell (-File switch) didn’t execute and PowerShell just hanged until killed by Task Manager. It turns out that you need to use undocumented parameter “-InputFormat none”: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe …
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