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Re: Win2k and cygwin memory leak
On Thu, Aug 07, 2003 at 11:33:48PM +0100, Sam Edge wrote:
>Rolf Campbell <Endlisnis@mailc.net> wrote in
>in gmane.os.cygwin on Thu, 07 Aug 2003 17:44:08 -0400:
>>Does windows claim to free all memory allocated by a process when it
>It does, even on unexpected terminations. (Seg-faults and the like.)
Just like any non-toy OS in the last 30 years or so. Even Windows 95
should behave properly in this regard.
>>What about cygwin shared memory?
>Unlike System V, Windows shared memory is transient. Once all handles
>that reference it are closed Windows deallocates it. And Windows
>closes all open handles for a process when the process exits, even if
>this was caused by an unexpected termination.
>So the Cygwin shared memory is automatically deallocated once the last
>Cygwin process exits, irrespective of any bugs (memory leaks) in
>Again, /supposedly/. ;-)
All correct. Supposedly is the operative word in the context that Windows
should be acting this way. If it isn't acting this way, then it is pretty
clearly a Windows bug.
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