I'm not sure it works properly on windows.
When I modify this to start two threads, and print out messages based on
their start/stop times, as well as a message inside the thread, I get
both ending messages before I get only a single printout from within the
threaded function. This seems to indicate windows isn't starting two
threads, though I don't have a clue how to verify this.
Just thought I'd add fuel to the fire here. :)
On 9/6/2020 1:00 PM, Paul Renaud via fpc-pascal wrote:
I
Hello,
I'm having a problem with the OS/2 version of the compiler.
This simplified version of my program keeps generating an exception
when compiled and run in EComStation 1.2, OS/2 versions 4.5 and 4
but runs fine when compiled for Windows.
Program Test1( Input, Output );
{$S+}
Const
StackSize = 1000000;
Max_Array = 5000;
Type
Data_Array = packed array[ 0 .. Max_Array ] of LongInt;
Function MyThread( P: Pointer ): PtrInt;
Var
Data: Data_Array;
Indexer: LongInt;
Begin
MyThread := 0;
For Indexer := 1 to Max_Array do
Data[ Indexer ] := 0;
End;
Var
Handle: LongWord;
My_Result: LongInt;
Begin
WriteLn( 'Test1 starting' );
My_Result := BeginThread( @MyThread, Nil, Handle, StackSize );
My_Result := WaitForThreadTerminate( Handle, 0 );
WriteLn( 'Test1 finished' );
End.
The error generated is...
SYS1808:
The process has stopped. The sofware diagnostic
code (exception code) is 0005.
the command I used to compile it is:
fpc Test1.pas -Se -gl
This exception appears to be generated before my thread gets control,
so I can't install my own exception handlers to intercept it.
Any help would be appreciated.
Thanks,
Paul.
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