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Date: Mon, 17 Mar 2008 15:24:22 +0100
From: "Giovanni Maruzzelli" <gmaruzz DOT lists AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: please help: crash on vista
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Dear Corinna, dear Cygwin developers,

I've run both the sample case and my program with the cygwin1.dll
snapshot from 2008-03-02 (cygwin1-20080302.dll.bz2) and they works
fine (actually, much better than with previous version of cygwin).

So, it seems that the problem related to my crashes was introduced
between the last snapshot and the 1.5.25, that was released couple
days after that snapshot.

There is a changelog between that snapshot and the release?

I'm willing to provide more info if needed.

Giovanni


On Mon, Mar 17, 2008 at 11:46 AM, Giovanni Maruzzelli
<gmaruzz DOT lists AT gmail DOT com> wrote:
> Hi Cygwin developers,
>
>  I got a repeatable crash using waveInOpen under Vista without SP1
>  (no SP1 for Italians until April) using cygwin 1.5.25(0.156/4/2) 2008-03-05,
>  on a HP Pavilion m9080 quad core with Realtek HD Audio.
>
>  Please, can fellow developers compile the following example and report
>  if it crashes?
>
>  1) As soon as waveInOpen is called, it crashes
>  2) To cause the crash it is not needed to use the wavein, just to open it.
>  3) Under XP, no problems.
>  4) If you compile under vista with -mno-cygwin and execute with a
>  double click on it, no problem.
>  5) If you compile using cygwin, and execute it from bash, crashes.
>
>  See below a very simple test case.
>
>  You can compile it without cygwin and then execute it with a double click:
>  gcc -mno-cygwin -Wall waveinopen_vista.c -o waveinopen_vista -l winmm
>
>  or you can compile it with cygwin and execute it from bash (I got a crash):
>  gcc -Wall waveinopen_vista.c -o waveinopen_vista -l winmm
>
>  =======================================
>  #include <windows.h>
>  #include <stdio.h>
>  #include <mmsystem.h>
>
>
>  /* Handle to the WAVE In Device */
>  HWAVEIN                         WaveInHandle;
>
>  int main(int argc , char ** argv)
>  {
>  MMRESULT        err;
>  WAVEFORMATEX    waveFormat;
>
>  /* Initialize the WAVEFORMATEX */
>  waveFormat.wFormatTag = WAVE_FORMAT_PCM;
>  waveFormat.nChannels = 2;
>  waveFormat.nSamplesPerSec = 44100;
>  waveFormat.wBitsPerSample = 16;
>  waveFormat.nBlockAlign = waveFormat.nChannels *
>       (waveFormat.wBitsPerSample/8);
>  waveFormat.nAvgBytesPerSec = waveFormat.nSamplesPerSec *
>       waveFormat.nBlockAlign;
>  waveFormat.cbSize = 0;
>
>
>  /* Open the default WAVE In Device */
>  err = waveInOpen(&WaveInHandle, WAVE_MAPPER, &waveFormat,
>               0, 0, CALLBACK_NULL);
>
>  printf("\n\nciao!!!\n\n");
>  Sleep(5000);
>  printf("\n\ngoodbye!!!\n\n");
>
>  return 0;
>  }
>

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