[Lazarus] TRTLCriticalSection
Michael Van Canneyt
michael at freepascal.org
Tue Feb 25 12:11:27 CET 2014
On Tue, 25 Feb 2014, Sven Barth wrote:
> Am 25.02.2014 11:22, schrieb Antonio Fortuny:
> Hi Folks.
>
> Lazarus 1.0.2, FPC 2.6.2, Win32 and Linux x86_64
> Something goes wrong with TRTRCriticalSection. There is a difference between Windows and
> Linux.
> In a program which will run on Win32 and Linux x86_64, using threads and all this stuff I
> need to protect some code from multi-threading access.
> One critical section looks enough to do the job.
> So i code this in Win32 and Linux:
>
> [snip]
> On the above line marked as compilation error the compiler complains with the message
> autoupdateserverthread.pas(255,48) Error: Call by var for arg no. 1 has to match exactly:
> Got "TRTLCriticalSection" expected "QWord"
> winapi.inc(650,11) Hint: Found declaration: InitializeCriticalSection(var QWord);
> winapi ??? Why on Linux ?
> No way to get rid of this compilation error
> In Win32 the program compiles and runs without errors.
>
> Some help would be appreciated.
>
> The function for initializing a TRTLCriticalSection is InitCriticalSection, not
> InitializeCriticalSection. If you wouldn't use the Windows unit you'd have seen this error on Windows
> as well.
>
> @Michael: maybe we should add a seealso for the Init-/Enter-/Leave-/DoneCriticalSection functions to
> the documentation of the TRTLCriticalSection type.
Will do.
Michael.
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