2015/pthreads-hint3

From CS61
Jump to: navigation, search

Here is the assembly produced:

   1. movl    (%eax), %eax
   2. movl    (%eax), %edx
   3. addl    $1, %edx
   4. movl    %edx, (%eax)

What if a thread gets descheduled between instructions 2 and 3?