OpenCoverage

lock.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/lib/glthread/lock.c
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LineSourceCount
1-
2int-
3glthread_rwlock_init_for_glibc (pthread_rwlock_t *lock)-
4{-
5 pthread_rwlockattr_t attributes;-
6 int err;-
7-
8 err = pthread_rwlockattr_init (&attributes);-
9 if (err != 0
err != 0Description
TRUEnever evaluated
FALSEnever evaluated
)
0
10 return
never executed: return err;
err;
never executed: return err;
0
11-
12-
13-
14-
15 err = pthread_rwlockattr_setkind_np (&attributes,-
16 PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP);-
17 if (err == 0
err == 0Description
TRUEnever evaluated
FALSEnever evaluated
)
0
18 err = pthread_rwlock_init(lock, &attributes);
never executed: err = pthread_rwlock_init(lock, &attributes);
0
19-
20-
21 pthread_rwlockattr_destroy (&attributes);-
22 return
never executed: return err;
err;
never executed: return err;
0
23}-
24int-
25glthread_recursive_lock_init_multithreaded (gl_recursive_lock_t *lock)-
26{-
27 pthread_mutexattr_t attributes;-
28 int err;-
29-
30 err = pthread_mutexattr_init (&attributes);-
31 if (err != 0
err != 0Description
TRUEnever evaluated
FALSEnever evaluated
)
0
32 return
never executed: return err;
err;
never executed: return err;
0
33 err = pthread_mutexattr_settype (&attributes, PTHREAD_MUTEX_RECURSIVE);-
34 if (err != 0
err != 0Description
TRUEnever evaluated
FALSEnever evaluated
)
0
35 {-
36 pthread_mutexattr_destroy (&attributes);-
37 return
never executed: return err;
err;
never executed: return err;
0
38 }-
39 err = pthread_mutex_init (lock, &attributes);-
40 if (err != 0
err != 0Description
TRUEnever evaluated
FALSEnever evaluated
)
0
41 {-
42 pthread_mutexattr_destroy (&attributes);-
43 return
never executed: return err;
err;
never executed: return err;
0
44 }-
45 err = pthread_mutexattr_destroy (&attributes);-
46 if (err != 0
err != 0Description
TRUEnever evaluated
FALSEnever evaluated
)
0
47 return
never executed: return err;
err;
never executed: return err;
0
48 return
never executed: return 0;
0;
never executed: return 0;
0
49}-
50static const pthread_once_t fresh_once = -
51 0-
52 ;-
53-
54int-
55glthread_once_singlethreaded (pthread_once_t *once_control)-
56{-
57-
58-
59 char *firstbyte = (char *)once_control;-
60 if (*
*firstbyte == ... *)&fresh_onceDescription
TRUEnever evaluated
FALSEnever evaluated
firstbyte == *(const char *)&fresh_once
*firstbyte == ... *)&fresh_onceDescription
TRUEnever evaluated
FALSEnever evaluated
)
0
61 {-
62-
63 *firstbyte = ~ *(const char *)&fresh_once;-
64 return
never executed: return 1;
1;
never executed: return 1;
0
65 }-
66 else-
67 return
never executed: return 0;
0;
never executed: return 0;
0
68}-
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