Re: ESQL/C

In article <34609460.3761@bloomberg.com>, kagel@bloomberg.com wrote: >Alexey Poukhovsky wrote: >> Can anyone tell me, what to do with this situation: >> I have to place some functions, which are working with Informix in DLL. >> And make calls to them from different applications. For example, I create >> DLL with only function: >> long opendb(char *name) >> { >> $database name; >> return sqlca.sqlcode; >> } >> The first application, called it got error=0 - it is Ok. >> But, if the second app calls the same function (the first have not >> finished), it has got error = -457. >> After that both of applications become unusable - any of informix function >> call got error -457. > >I do not think that you can put ESQL/C calls into a DLL. Not true. Works fine with 7.12, 7.2x libraries. We have a dll that gets accessed by Delphi apps, and it works just peachy. >UNIX variant) for IPC. Considering how "well" Win32 OS's multi-task and >communicate you may be best off biting the memory bullet and link in the >Informix interface functions (like your opendb()) directly into each >application. DLL mechanisms work quite well in the Win32 environments. It ain't Unix but it does the job... Jan