Disable ASLR on Lion using posix_spawn

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It's possible to disable ASLR on Lion when starting a process using posix_spawn, e.g.: 
#include <stdio.h>
#include <spawn.h>
int main(int argc, char* argv[]) 
{
        int pid = -1;
        int retval;
        posix_spawnattr_t spattr;

        retval = posix_spawnattr_init(&spattr);
        retval = posix_spawnattr_setflags(&spattr, POSIX_SPAWN_SETEXEC | 0x100);
        retval = posix_spawn(&pid, "test", NULL, &spattr, NULL, NULL);

        return 0;
}
Ref: http://reverse.put.as/2011/08/11/how-gdb-disables-aslr-in-mac-os-x-lion/