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edited Apr 13, 2017 at 12:40

edited Apr 13, 2017 at 12:40

1

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

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.

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

answered May 17, 2016 at 23:06

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96

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.

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