There's a tool called Parrot developed by a lab at Notre Dame that does this: http://www3.nd.edu/~ccl/software/parrot/ Parrot is used to execute the child process, so that ptrace can used to intercept the system calls. You do have to be careful, though -- you'll have to do things like write to a certain region's of the child process's memory in order to mimic system calls like read(). On Mon, Apr 28, 2014 at 8:21 PM, Joe Julian <joe at julianfamily.org> wrote: > Specifically I've been looking at the innodb engine for MariaDB. While > talking with Monty this weekend, he posited that I could write a wrapper > library to go around the innodb library that would handle the connection, > but would just override the glibc functions for posix filesystem commands. > Does this sound feasible? > > If it is, couldn't you essentially do an LD_PRELOAD wrapper around any > application to do that? Sure, you would have to probably resort to > environment variables to set the server and volume data, but in theory would > it work? > _______________________________________________ > Gluster-devel mailing list > Gluster-devel at gluster.org > http://supercolony.gluster.org/mailman/listinfo/gluster-devel -- em rnowling at gmail.com c 954.496.2314
