Re: Thread local storage problem, and fix

[Thomas Pfaff <tpfaff@gmx.net>]

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I can not reproduce your error. I have written a small test program and
regardless whether i link against ws2_32.lib or wsock32.lib WSALastError
and Win32 LastError returns the same value. I have attached it, so you can
compile it and send me its output.

Cheers,

Thomas

On Thu, 23 Aug 2001, Phil Frisbie, Jr. wrote:

> I am using Winsock 1.1 on Windows NT 4. I have not yet tried Windows
> 9x/ME or 2000.
>
> Thomas Pfaff wrote:
> >
> > On Wed, 22 Aug 2001, Phil Frisbie, Jr. wrote:
> >
> > strange,
> >
> > at least on NT4 the WSALastError equals to Win32 LastError when i used
> > Winsock2, so i did not saved it too.
> >
> > I will have a look if you tell me your platform.
> >
> > Greetings,
> >
> > Thomas
>
>
> Phil Frisbie, Jr.
> Hawk Software
> http://www.hawksoft.com
>
>

[-- Attachment #2: main.c --]
[-- Type: text/x-c, Size: 794 bytes --]

#define WIN32_LEAN_AND_MEAN

#include <windows.h>
#include <winsock.h>

#include <stdio.h>

static void TlsGet( void );

static DWORD tlsIdx;
  
int main( void )
{
  SetLastError(WSAEHOSTUNREACH);
  printf("LastError %d\n", GetLastError());
  printf("WSALastError %d\n", WSAGetLastError());
  WSASetLastError(WSAEHOSTUNREACH);
  printf("LastError %d\n", GetLastError());
  printf("WSALastError %d\n", WSAGetLastError());

  tlsIdx = TlsAlloc();
  TlsSetValue( tlsIdx, (void *) 0x1234 );
  TlsGet();

  printf("LastError %d\n", GetLastError());
  printf("WSALastError %d\n", WSAGetLastError());
  
  return 0;
}


static void TlsGet( void )
{
  DWORD lastError = GetLastError();
  TlsGetValue(tlsIdx);
  printf("LastError after TlsGetValue : %d\n", GetLastError());
  SetLastError(lastError);
}