[Issue 9094] New: GC not collecting under Windows

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=9094

           Summary: GC not collecting under Windows
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P2
         Component: druntime
        AssignedTo: nob...@puremagic.com
        ReportedBy: acehr...@yahoo.com


--- Comment #0 from Ali Cehreli <acehr...@yahoo.com> 2012-11-28 11:05:36 PST ---
Have a 1G file named "one_gigabyte_file". You can use the following program to
create it:

import std.stdio;

void foo()
{
    auto file = File("one_gigabyte_file", "w");
    auto data = new ubyte[](100 * 1024 * 1024);

    foreach (i; 0 .. 10) {
        file.rawWrite(data);
    }
}

void main()
{
    foo();
}

Then, run the following program:

import std.stdio;

void foo()
{
    auto file = File("one_gigabyte_file", "r");
    auto data = new ubyte[](100 * 1024 * 1024);

    foreach (i; 0 .. 10) {
        file.rawRead(data);
    }
}

void main()
{
    for (size_t i; true; ++i) {
        writeln(i);
        foo();
    }
}

The problem is, the memory consumption of the program grows continuously until
it is terminated by core.exception.OutOfMemoryError.

We don't see this issue under Linux.

Thank you,
Ali

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