The code, which is creating stack (pthread_allocate_stack) in
linuxthreads.old/manager.c looks like:
if (mmap((caddr_t)((char *)(new_thread + 1) - INITIAL_STACK_SIZE),
INITIAL_STACK_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED | MAP_GROWSDOWN,
however in linuxthreads/manager.c MAP_GROWSDOWN is missing in case of
_STACK_GROWS_DOWN
map_addr = mmap(new_thread, stacksize + guardsize,
PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1
Is this deliberate?
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