solved: system()-crash with phpGtk-win32

Sebastian G. wrote: > > > > > > > > Hi, > > > > > > > > > > > > > > > > for several days now I'm fighting with the opportunity > > > > > > > > to start an binary exe-file on a Windows 32 system inside my phpGtk-script. > > > > > > > > The script is an Scanning-application which is used to scan > > > > > > > > and archieve images. To communicate between php and the TWAIN-compatible driver of my scanner (Agfa > > > > > > > > SnapScan e50) I use that binary exe-file > > > > > > > > named TwainCom.exe by Jungclaus Software (www.jse.de). This > > > > > > > > binary is a commandline-tool, which is able to use my Scanner-drivers functionality to scan images > > > > > > > > and save them in a given format such as > > > > > > > > JPEG or TIFF. > > > > > > > > To make it short: In my phpGtk-application the system()-call > > > > > > > > crashes my script. When I then kill my script (Not the TwainCom.exe-binary, which is still running), > > > > > > > > TwainCom.exe continues to run and > > > > > > > > finishes the job successful. If I'd instead kill the > > > > > > > > TwainCom.exe-binary, my phpGtk-script will continue to run. If I then run the system()-call a second > > > > > > > > time, everything works fine. The third try > > > > > > > > will crash my script again, I kill the TwainCom.exe-binary, > > > > > > > > my script continues, I try the fourth time, it works, on the fifth try it crashes again and so on > > > > > > > > and so on :( > > > > > > > > But: When I run the same system()-call just on command-line > > > > > > > > or inside a "normal" (small) php-script or phpGtk-script, it does _never_ crash, as it > > > > > > > > happens in the big phpGtk-script of mine. > > > > > > > > As I found out, there is a program named > > > > > > > > "Twunk_16", which is always getting loaded at the same time running the > > > > > > > > TwainCom.exe-binary. If this program is running (I am not able to start it manually, > > > > > > > > don't know why...), the system()-call inside my big > > > > > > > > phpGtk-script will work. But having "Twunk_16" running requires to start the > > > > > > > > TwainCom.exe-binary, wait till it crashes, then kill it. Killing it > > > > > > > > makes "Twunk_16" stay in memory until I run my > > > > > > > > system()-call. > > > > > > > > I also tried all this with the exec(), pasthru() and > > > > > > > > popen()/fwrite()-calls. They all have the same unstable behavior. > > > > > > > > > > > > > > > > I hope, you've got the point. I really need help on > > > > > > > > this, cause this project of mine is running out of time and it's gonna cost _alot_ ;( Please > > > > > > > > ask me _everything_, cause I'll be there... of course I > > > > > > > > may mail you a copy of my code, too. > > > > > > > > Hi, I think I've got the solving: The error did not occur after I've been renaming twunk_16.exe and twunk_32.exe so that Windows would not be able to load them. So now these files won't get loaded when I'm running the TwainCom.exe-binary at it looks like it works. Thanks for this one goes to Steph and JSE.de -- MfG, Sebastian G. : mailseppel@gmx.de : HH-germany :