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https://gitlab.com/freepascal.org/fpc/source.git
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53ad1bcabe
whose size depends on whether the run time environment is 32 or
64 bit (mantis #13647)
+ added flock64 type for 32 bit systems (usable with special 64 bit
fcntl operations)
git-svn-id: trunk@13119 -
32 lines
662 B
ObjectPascal
32 lines
662 B
ObjectPascal
{ %norun }
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{ %target=linux }
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program test;
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{$mode delphi}{$H+}
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Uses cthreads, Classes, SysUtils, BaseUnix;
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Const Fn = '/tmp/fpctest.lock';
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F_RDLCK = 0;
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F_WRLCK = 1;
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F_UNLCK = 2;
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Var F, I : Integer;
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Region : FLock;
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Begin
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F := FpOpen (Fn, O_RDWR Or O_CREAT, $1B6); // $1B6 = o666
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With Region Do Begin
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l_type := F_RDLCK; l_whence := SEEK_SET;
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l_start := 80; l_len := 1
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End;
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If FpFcntl (F, F_SETLK, Region) = -1 Then
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begin
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writeln(fpgeterrno);
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WriteLn ('unable to apply readlock on 80'); // <-- Error
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halt(1);
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end;
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FpClose (F);
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End.
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