Helmut Hänsel schrieb:
> I was trying to add a c-function to postgreSQL, running under cygwin.
> I have installed and compiled the 8.0.0cvs from scratch, postmaster is
> working fine :-)
>
> #define _XOPEN_SOURCE
> #include "postgres.h"
> #include "fmgr.h"
> #include <unistd.h>
> #include <fcntl.h>
> #include <stdio.h>
> #include <sys/types.h>
> #include <sys/wait.h>
>
> PG_FUNCTION_INFO_V1(pg_crypt);
> Datum
> pg_crypt(PG_FUNCTION_ARGS)
> { int32 new_varchar_size=13+VARHDRSZ;
> VarChar *new_t = (VarChar *) palloc(new_varchar_size);
> /* ... */
> PG_RETURN_VARCHAR_P(new_t);
> }
>
> compiling is successful, but linking leads to
>
> pg_func.o(.text+0x4f):pg_func.c: undefined reference to
> `__imp__CurrentMemoryContext'
>
> If I try using pgport_palloc() instead of palloc() ( in my despair;-)
> the source is compiled and linked without error but as soon as the pg_crypt
> is executed from within a psql session, the postmaster crashes with signal
> 11.
>
> Any Help?
> Would be really great !!!
>
> Helmut
>
> P.S.: The function is tested and works fine under a LINUX environment
looks like another IPC problem, similar to the plperl problem.
increase shmem buffer size?
--
Reini Urban
http://xarch.tu-graz.ac.at/home/rurban/