Return to Revisions

2 of 2

replaced http://codereview.stackexchange.com/ with https://codereview.stackexchange.com/

edited Apr 13, 2017 at 12:40

edited Apr 13, 2017 at 12:40

Op's code has a possible race condition between the lock and compare.
```
 "lock xadd %[lock], %[gate]\n" 
 "cmp %[lock], %[open]\n" 
```
OP identified: lock is not certainly made a shared variable.

answered May 17, 2016 at 23:06

default