Joe Orton wrote: > This code looks like it is making lots of dubious assumptions: > > - pthread_t can be a structure, that's why the memset is used I presume, > assinging 0 to a pthread_t definitely wins no prizes > - who says a memset-to-zero'ed pthread_t isn't a valid pthread_t? No > reason why it couldn't be. If it is *not* a valid pthread_t, then > passing it to pthread_equal gives undefined behaviour anyway!
Agreed. In some implementations pthread_t is an integer index, and 0 could be a valid pthread_t (just like 0 is a valid file descriptor on Unix). So you can't assume that 0 is an invalid pthread_t. Wan-Teh
