From:	Michael DOT Emrich AT rt DOT bosch DOT de (Emrich Michael QI/LBS3-Rt)
Subject:	Please Help: system() Bug in cygnus-2.7.2-970404
11 Feb 1998 11:42:27 -0800 :
Message-ID:	<C9DB0669A294D111BF8700005A40EA32016914.cygnus.gnu-win32@rtmail2.rt.bosch.de>
Mime-Version:	1.0
To:	"'gnu-win32 AT cygnus DOT com'" <gnu-win32 AT cygnus DOT com>

Hello,
when you call system() more than 98 times you get the following message.
0
1
2
........until..
98
(G:\watchdog\pars\tt.exe 1000) In cygwin_except_handler
(G:\watchdog\pars\tt.exe 1000) Exception trapped!
(G:\watchdog\pars\tt.exe 1000) exception C0000005 at 10018D62
(G:\watchdog\pars\tt.exe 1000) exception: ax 44C bx A000004 cx 35201 dx
A000004
(G:\watchdog\pars\tt.exe 1000) exception: si 0 di 240EC28 bp 240EC18 sp
240EC0C
(G:\watchdog\pars\tt.exe 1000) exception is: STATUS_ACCESS_VIOLATION
(G:\watchdog\pars\tt.exe 1000) Stack trace:
(G:\watchdog\pars\tt.exe 1000) frame 0: sp = 0x240EA40, pc = 0x1000CEC2
(G:\watchdog\pars\tt.exe 1000) frame 1: sp = 0x240EA5C, pc = 0x77FA4512
.... and os on.....

The following Program produces that error:
#include <stdio.h>
main()
{  
  char syscmd[124];
  int i=0;

  for(i=0;i<1024;i++) {
    sprintf(syscmd,"echo %d",i);
    system(syscmd);
  }
}

Has somebody a solution to this Problem

With regards

Michael Emrich
_________________________________________________________
Robert Bosch GmbH ; QI/LBS3-Rt; Postfach 1342; 72703 Reutlingen
Tel: (07121)/35-3261; Fax: -3150; Internet: Michael DOT Emrich AT pcm DOT bosch DOT de


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