1
2initialise a barrier with zero count
3---Thread-Announcement------------------------------------------
4
5Thread #x is the program's root thread
6
7----------------------------------------------------------------
8
9Thread #x: pthread_barrier_init: 'count' argument is zero
10   at 0x........: pthread_barrier_init (hg_intercepts.c:...)
11   by 0x........: main (bar_bad.c:39)
12
13----------------------------------------------------------------
14
15Thread #x's call to pthread_barrier_init failed
16   with error code 22 (EINVAL: Invalid argument)
17   at 0x........: pthread_barrier_init (hg_intercepts.c:...)
18   by 0x........: main (bar_bad.c:39)
19
20
21initialise a barrier twice
22----------------------------------------------------------------
23
24Thread #x: pthread_barrier_init: barrier is already initialised
25   at 0x........: pthread_barrier_init (hg_intercepts.c:...)
26   by 0x........: main (bar_bad.c:45)
27
28
29initialise a barrier which has threads waiting on it
30----------------------------------------------------------------
31
32Thread #x: pthread_barrier_init: barrier is already initialised
33   at 0x........: pthread_barrier_init (hg_intercepts.c:...)
34   by 0x........: main (bar_bad.c:57)
35
36----------------------------------------------------------------
37
38Thread #x: pthread_barrier_init: threads are waiting at barrier
39   at 0x........: pthread_barrier_init (hg_intercepts.c:...)
40   by 0x........: main (bar_bad.c:57)
41
42
43destroy a barrier that has waiting threads
44----------------------------------------------------------------
45
46Thread #x: pthread_barrier_destroy: threads are waiting at barrier
47   at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
48   by 0x........: main (bar_bad.c:69)
49
50----------------------------------------------------------------
51
52Thread #x's call to pthread_barrier_destroy failed
53   with error code 16 (EBUSY: Device or resource busy)
54   at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
55   by 0x........: main (bar_bad.c:69)
56
57
58destroy a barrier that was never initialised
59----------------------------------------------------------------
60
61Thread #x: pthread_barrier_destroy: barrier was never initialised
62   at 0x........: pthread_barrier_destroy (hg_intercepts.c:...)
63   by 0x........: main (bar_bad.c:80)
64
65