4 ------ This is output for >= glibc 2.4 ------
6 ---------------- pthread_create/join ----------------
8 ---Thread-Announcement------------------------------------------
10 Thread #x is the program's root thread
12 ---Thread-Announcement------------------------------------------
16 by 0x........: pthread_create@* (hg_intercepts.c:...)
17 by 0x........: main (tc20_verifywrap.c:86)
19 ----------------------------------------------------------------
21 Possible data race during write of size 2 at 0x........ by thread #x
23 at 0x........: main (tc20_verifywrap.c:88)
25 This conflicts with a previous write of size 2 by thread #x
27 at 0x........: racy_child (tc20_verifywrap.c:44)
28 by 0x........: mythread_wrapper (hg_intercepts.c:...)
30 Location 0x........ is 0 bytes inside global var "unprotected"
31 declared at tc20_verifywrap.c:37
33 ----------------------------------------------------------------
35 Thread #x's call to pthread_join failed
36 with error code 45 (EDEADLK: Resource deadlock would occur)
37 at 0x........: pthread_join_WRK (hg_intercepts.c:...)
38 by 0x........: pthread_join (hg_intercepts.c:...)
39 by 0x........: main (tc20_verifywrap.c:93)
42 ---------------- pthread_mutex_lock et al ----------------
44 ----------------------------------------------------------------
46 Thread #x's call to pthread_mutex_init failed
47 with error code 122 (EOPNOTSUPP: Operation not supported on transport endpoint)
48 at 0x........: pthread_mutex_init (hg_intercepts.c:...)
49 by 0x........: main (tc20_verifywrap.c:107)
51 ----------------------------------------------------------------
53 Thread #x: pthread_mutex_destroy of a locked mutex
54 at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
55 by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
56 by 0x........: main (tc20_verifywrap.c:117)
58 ----------------------------------------------------------------
60 Thread #x's call to pthread_mutex_destroy failed
61 with error code 16 (EBUSY: Device or resource busy)
62 at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
63 by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
64 by 0x........: main (tc20_verifywrap.c:117)
66 ----------------------------------------------------------------
68 Thread #x's call to pthread_mutex_lock failed
69 with error code 22 (EINVAL: Invalid argument)
70 at 0x........: mutex_lock_WRK (hg_intercepts.c:...)
71 by 0x........: pthread_mutex_lock (hg_intercepts.c:...)
72 by 0x........: main (tc20_verifywrap.c:123)
74 ----------------------------------------------------------------
76 Thread #x's call to pthread_mutex_trylock failed
77 with error code 22 (EINVAL: Invalid argument)
78 at 0x........: mutex_trylock_WRK (hg_intercepts.c:...)
79 by 0x........: pthread_mutex_trylock (hg_intercepts.c:...)
80 by 0x........: main (tc20_verifywrap.c:131)
82 ----------------------------------------------------------------
84 Thread #x's call to pthread_mutex_timedlock failed
85 with error code 22 (EINVAL: Invalid argument)
86 at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...)
87 by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...)
88 by 0x........: main (tc20_verifywrap.c:136)
90 ----------------------------------------------------------------
92 Thread #x unlocked an invalid lock at 0x........
93 at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
94 by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
95 by 0x........: main (tc20_verifywrap.c:140)
97 ----------------------------------------------------------------
99 Thread #x's call to pthread_mutex_unlock failed
100 with error code 22 (EINVAL: Invalid argument)
101 at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
102 by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
103 by 0x........: main (tc20_verifywrap.c:140)
106 ---------------- pthread_cond_wait et al ----------------
108 ----------------------------------------------------------------
110 Thread #x: pthread_cond_{timed}wait called with un-held mutex
111 at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
112 by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
113 by 0x........: main (tc20_verifywrap.c:162)
115 ----------------------------------------------------------------
117 Thread #x's call to pthread_cond_wait failed
118 with error code 1 (EPERM: Operation not permitted)
119 at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
120 by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
121 by 0x........: main (tc20_verifywrap.c:162)
123 ----------------------------------------------------------------
125 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
126 at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...)
127 by 0x........: pthread_cond_signal@* (hg_intercepts.c:...)
128 by 0x........: main (tc20_verifywrap.c:167)
131 FIXME: can't figure out how to verify wrap of pthread_cond_signal
133 ----------------------------------------------------------------
135 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
136 at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...)
137 by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...)
138 by 0x........: main (tc20_verifywrap.c:173)
141 FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
143 ----------------------------------------------------------------
145 Thread #x: pthread_cond_{timed}wait called with un-held mutex
146 at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
147 by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
148 by 0x........: main (tc20_verifywrap.c:180)
150 ----------------------------------------------------------------
152 Thread #x's call to pthread_cond_timedwait failed
153 with error code 22 (EINVAL: Invalid argument)
154 at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
155 by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
156 by 0x........: main (tc20_verifywrap.c:180)
159 ---------------- pthread_rwlock_* ----------------
161 ----------------------------------------------------------------
163 Thread #x unlocked a not-locked lock at 0x........
164 at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
165 by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
167 by 0x........: main (tc20_verifywrap.c:194)
168 Lock at 0x........ was first observed
169 at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
170 by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
171 by 0x........: main (tc20_verifywrap.c:193)
172 Location 0x........ is 0 bytes inside local var "rwl"
173 declared at tc20_verifywrap.c:57, in frame #x of thread x
176 (1) no error on next line
177 (2) no error on next line
178 (3) ERROR on next line
179 ----------------------------------------------------------------
181 Thread #x unlocked a not-locked lock at 0x........
182 at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
183 by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
185 by 0x........: main (tc20_verifywrap.c:211)
186 Lock at 0x........ was first observed
187 at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
188 by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
189 by 0x........: main (tc20_verifywrap.c:201)
190 Location 0x........ is 0 bytes inside local var "rwl2"
191 declared at tc20_verifywrap.c:58, in frame #x of thread x
194 (4) no error on next line
195 (5) no error on next line
196 (6) no error on next line
197 (7) no error on next line
198 (8) ERROR on next line
199 ----------------------------------------------------------------
201 Thread #x unlocked a not-locked lock at 0x........
202 at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
203 by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
205 by 0x........: main (tc20_verifywrap.c:232)
206 Lock at 0x........ was first observed
207 at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
208 by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
209 by 0x........: main (tc20_verifywrap.c:201)
210 Location 0x........ is 0 bytes inside local var "rwl2"
211 declared at tc20_verifywrap.c:58, in frame #x of thread x
215 ---------------- pthread_spin_* ----------------
218 ---------------- sem_* ----------------
220 ----------------------------------------------------------------
222 Thread #x's call to sem_init failed
223 with error code 22 (EINVAL: Invalid argument)
224 at 0x........: sem_init_WRK (hg_intercepts.c:...)
225 by 0x........: sem_init@* (hg_intercepts.c:...)
226 by 0x........: main (tc20_verifywrap.c:267)
229 FIXME: can't figure out how to verify wrap of sem_destroy
231 ----------------------------------------------------------------
233 Thread #x: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post
234 at 0x........: sem_wait_WRK (hg_intercepts.c:...)
235 by 0x........: sem_wait (hg_intercepts.c:...)
236 by 0x........: main (tc20_verifywrap.c:281)
239 FIXME: can't figure out how to verify wrap of sem_post
242 ------------ dealloc of mem holding locks ------------
244 ----------------------------------------------------------------
246 Thread #x: Exiting thread still holds 1 lock
250 ERROR SUMMARY: 22 errors from 22 contexts (suppressed: 0 from 0)