source:
CIVL/examples/concurrency/locksBad.cvl@
4f22a92
| Last change on this file since 4f22a92 was 20d2740, checked in by , 13 years ago | |
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| File size: 324 bytes | |
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| 1 | |
| 2 | _Bool lock0 = 0; |
| 3 | _Bool lock1 = 0; |
| 4 | |
| 5 | void proc0() { |
| 6 | while (1) { |
| 7 | $when (!lock0) lock0=1; |
| 8 | $when (!lock1) lock1=1; |
| 9 | lock0=0; |
| 10 | lock1=0; |
| 11 | } |
| 12 | } |
| 13 | |
| 14 | void proc1() { |
| 15 | while (1) { |
| 16 | $when (!lock1) lock1=1; |
| 17 | $when (!lock0) lock0=1; |
| 18 | lock0=0; |
| 19 | lock1=0; |
| 20 | } |
| 21 | } |
| 22 | |
| 23 | void main() { |
| 24 | $spawn proc0(); |
| 25 | $spawn proc1(); |
| 26 | } |
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