On Fri, 23 Jun 2006, Rahul Gulati wrote:
> Hi,
>
> I am new to cygwin and trying to port existng Linux
> based implementation of shared memory on cygwin.
>
> I am having issues with shmget call. I tried to debug
> and found out that everytime I try to call shmget
> function I get an error and the main thread exits:
> Program exited with code 06000
>
> I checked cygwin documentation and mailing lists:
> I have ipc-daemon2 running
FYI, ipc-daemon2 is now obsolete, and unless you have an unofficial
package that depends on it, I suggest you stop it, as it's only wasting
system resources.
> cygserver is also running with default options which
> includes :
> XSI IPC Shared Memory support.
>
> Would appreciate if someone could point out what is
> the real issue.
>
> Thanks...
> Rahul
>
> ps -aef output::
>
> rgulati 2984 3980 con 15:04:43
> /usr/bin/ipc-daemon2
> SYSTEM 2088 1 ? 17:31:08
> /usr/bin/cygrunsrv
> SYSTEM 2796 2088 ? 17:31:08
> /usr/sbin/cygserver
> rgulati 3852 1432 con 17:59:05 /usr/bin/ps
>
>
> Here is a snippet of my code:
>
> int main{)
> {
> int i;
> for (i=0; i<SHM_TAB_SZ; i++) {
> shm_tab[i].free=1;
> }
> shm_id = shmget(LOADGEN_SHM_KEY, SHM_TAB_SZ*sizeof(SHM_DATA),
> 0777|IPC_CREAT);
> if (shm_id <0) {
> if (debug) printf("\nLGEN:shmget failed...\n");
> perror("LGEN:shmget:");
> }
> }
Not nearly enough information, the problem reporting guidelines at
<http://cygwin.com/problems.html> were not followed (e.g., no attached
cygcheck output), and your code snippet isn't self-contained, doesn't
compile (even discounting Yahoo's line wrapping -- next time, please
attach the code), and doesn't reproduce the bug. In the absense of the
facts, I can only offer a WAG: does $CYGWIN contain "server" when you run
your program?
Igor
--
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