"Kevin P. Fleming" <kpfleming@xxxxxxxxxxxxxxx> writes: > However, I find myself at a loss to figure how this is intended to be > used for dynamically sized variables... for example, what if I wanted to > have each thread have a separate linked list of items it was supposed to > process? There does not appear to be any way to clean these entries up > at thread exit time, whereas pthread_key_create gives me the option of > providing a cleanup function. > > pthread_cleanup_push() and _pop() are really not appropriate for this, > as they are designed to be used within a single function's scope of > execution. You may be able to use pthread_cleanup_push within the thread function itself--the function you pass to pthread_create. > Am I missing something here? Is gcc's __thread support really only > usable for variables that are not (or don't contain) pointers to > dynamically allocated storage? __thread variables can point to dynamically allocated storage. But you are correct that there is no direct analog to the cleanup function used by pthread_key_create. Ian