main
test-branch
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Last change
on this file since beab7f2 was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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Property mode
set to
100644
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File size:
788 bytes
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| 1 | extern void __VERIFIER_error();
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| 2 |
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| 3 | #include <pthread.h>
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| 4 |
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| 5 | pthread_mutex_t ma, mb;
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| 6 | int data1, data2;
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| 7 |
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| 8 | void * thread1(void * arg)
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| 9 | {
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| 10 | pthread_mutex_lock(&ma);
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| 11 | data1++;
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| 12 | pthread_mutex_unlock(&ma);
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| 13 |
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| 14 | pthread_mutex_lock(&ma);
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| 15 | data2++;
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| 16 | pthread_mutex_unlock(&ma);
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| 17 | }
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| 18 |
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| 19 |
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| 20 | void * thread2(void * arg)
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| 21 | {
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| 22 | pthread_mutex_lock(&ma);
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| 23 | data1+=5;
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| 24 | pthread_mutex_unlock(&ma);
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| 25 |
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| 26 | pthread_mutex_lock(&ma);
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| 27 | data2-=6;
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| 28 | pthread_mutex_unlock(&ma);
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| 29 | }
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| 30 |
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| 31 |
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| 32 | int main()
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| 33 | {
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| 34 | pthread_t t1, t2;
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| 35 |
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| 36 | pthread_mutex_init(&ma, 0);
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| 37 | pthread_mutex_init(&mb, 0);
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| 38 |
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| 39 | data1 = 10;
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| 40 | data2 = 10;
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| 41 |
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| 42 | pthread_create(&t1, 0, thread1, 0);
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| 43 | pthread_create(&t2, 0, thread2, 0);
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| 44 |
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| 45 | pthread_join(t1, 0);
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| 46 | pthread_join(t2, 0);
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| 47 |
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| 48 | if (data1==16 && data2==5)
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| 49 | {
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| 50 | ERROR: __VERIFIER_error();
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| 51 | ;
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| 52 | }
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| 53 |
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| 54 | return 0;
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| 55 | }
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| 56 |
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