Blob Blame History Raw
commit c69445c1e07425e827ce936d7c416f7972b51aa2
Author: iraisr <iraisr@a5019735-40e9-0310-863c-91ae7b9d1cf9>
Date:   Tue Jan 12 20:31:15 2016 +0000

    Fix typo in Helgrind's wrapper of pthread_spin_destroy().
    Patch provided by: Jason Dillaman <dillaman@redhat.com>.
    Fixes BZ #357871.
    
    
    git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15756 a5019735-40e9-0310-863c-91ae7b9d1cf9

diff --git a/helgrind/hg_intercepts.c b/helgrind/hg_intercepts.c
index fd53208..ff36e93 100644
--- a/helgrind/hg_intercepts.c
+++ b/helgrind/hg_intercepts.c
@@ -1854,13 +1854,13 @@ static int pthread_spin_destroy_WRK(pthread_spinlock_t *lock)
    return ret;
 }
 #if defined(VGO_linux)
-   PTH_FUNC(int, pthreadZuspinZusdestroy, // pthread_spin_destroy
+   PTH_FUNC(int, pthreadZuspinZudestroy, // pthread_spin_destroy
             pthread_spinlock_t *lock) {
       return pthread_spin_destroy_WRK(lock);
    }
 #elif defined(VGO_darwin)
 #elif defined(VGO_solaris)
-   PTH_FUNC(int, pthreadZuspinZusdestroy, // pthread_spin_destroy
+   PTH_FUNC(int, pthreadZuspinZudestroy, // pthread_spin_destroy
             pthread_spinlock_t *lock) {
       return pthread_spin_destroy_WRK(lock);
    }
diff --git a/helgrind/tests/tc20_verifywrap.c b/helgrind/tests/tc20_verifywrap.c
index f71c7f8..c110000 100644
--- a/helgrind/tests/tc20_verifywrap.c
+++ b/helgrind/tests/tc20_verifywrap.c
@@ -29,6 +29,11 @@
 #endif
 #endif /* __sun__ */
 
+typedef union {
+   pthread_spinlock_t spinlock;
+   pthread_rwlock_t rwlock;
+} spin_rw_lock;
+
 short unprotected = 0;
 
 void* lazy_child ( void* v ) {
@@ -236,6 +241,20 @@ int main ( void )
    r= pthread_rwlock_init( &rwl3, NULL ); assert(!r);
    r= pthread_rwlock_rdlock( &rwl3 ); assert(!r);
 
+   /* --------- pthread_spin_* --------- */
+
+   fprintf(stderr,
+   "\n---------------- pthread_spin_* ----------------\n\n");
+
+   /* The following sequence verifies correct wrapping of pthread_spin_init()
+      and pthread_spin_destroy(). */
+   spin_rw_lock srwl1;
+   pthread_spin_init(&srwl1.spinlock, PTHREAD_PROCESS_PRIVATE);
+   pthread_spin_destroy(&srwl1.spinlock);
+
+   pthread_rwlock_init(&srwl1.rwlock, NULL);
+   pthread_rwlock_destroy(&srwl1.rwlock);
+
    /* ------------- sem_* ------------- */
 
    /* This is pretty lame, and duplicates tc18_semabuse.c. */
diff --git a/helgrind/tests/tc20_verifywrap.stderr.exp b/helgrind/tests/tc20_verifywrap.stderr.exp
index d9019d4..372daea 100644
--- a/helgrind/tests/tc20_verifywrap.stderr.exp
+++ b/helgrind/tests/tc20_verifywrap.stderr.exp
@@ -14,21 +14,21 @@ Thread #x is the program's root thread
 Thread #x was created
    ...
    by 0x........: pthread_create@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:81)
+   by 0x........: main (tc20_verifywrap.c:86)
 
 ----------------------------------------------------------------
 
 Possible data race during write of size 2 at 0x........ by thread #x
 Locks held: none
-   at 0x........: main (tc20_verifywrap.c:83)
+   at 0x........: main (tc20_verifywrap.c:88)
 
 This conflicts with a previous write of size 2 by thread #x
 Locks held: none
-   at 0x........: racy_child (tc20_verifywrap.c:39)
+   at 0x........: racy_child (tc20_verifywrap.c:44)
    by 0x........: mythread_wrapper (hg_intercepts.c:...)
    ...
  Location 0x........ is 0 bytes inside global var "unprotected"
- declared at tc20_verifywrap.c:32
+ declared at tc20_verifywrap.c:37
 
 ----------------------------------------------------------------
 
@@ -36,7 +36,7 @@ Thread #x's call to pthread_join failed
    with error code 35 (EDEADLK: Resource deadlock would occur)
    at 0x........: pthread_join_WRK (hg_intercepts.c:...)
    by 0x........: pthread_join (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:88)
+   by 0x........: main (tc20_verifywrap.c:93)
 
 
 ---------------- pthread_mutex_lock et al ----------------
@@ -46,14 +46,14 @@ Thread #x's call to pthread_join failed
 Thread #x's call to pthread_mutex_init failed
    with error code 95 (EOPNOTSUPP: Operation not supported on transport endpoint)
    at 0x........: pthread_mutex_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:102)
+   by 0x........: main (tc20_verifywrap.c:107)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_mutex_destroy of a locked mutex
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -61,7 +61,7 @@ Thread #x's call to pthread_mutex_destroy failed
    with error code 16 (EBUSY: Device or resource busy)
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -69,7 +69,7 @@ Thread #x's call to pthread_mutex_lock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_lock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_lock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:118)
+   by 0x........: main (tc20_verifywrap.c:123)
 
 ----------------------------------------------------------------
 
@@ -77,7 +77,7 @@ Thread #x's call to pthread_mutex_trylock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_trylock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_trylock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:126)
+   by 0x........: main (tc20_verifywrap.c:131)
 
 ----------------------------------------------------------------
 
@@ -85,14 +85,14 @@ Thread #x's call to pthread_mutex_timedlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:131)
+   by 0x........: main (tc20_verifywrap.c:136)
 
 ----------------------------------------------------------------
 
 Thread #x unlocked an invalid lock at 0x........
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 ----------------------------------------------------------------
 
@@ -100,7 +100,7 @@ Thread #x's call to pthread_mutex_unlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 
 ---------------- pthread_cond_wait et al ----------------
@@ -110,7 +110,7 @@ Thread #x's call to pthread_mutex_unlock failed
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
@@ -118,14 +118,14 @@ Thread #x's call to pthread_cond_wait failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_signal@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:162)
+   by 0x........: main (tc20_verifywrap.c:167)
 
 
 FIXME: can't figure out how to verify wrap of pthread_cond_signal
@@ -135,7 +135,7 @@ FIXME: can't figure out how to verify wrap of pthread_cond_signal
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:168)
+   by 0x........: main (tc20_verifywrap.c:173)
 
 
 FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
@@ -145,7 +145,7 @@ FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 ----------------------------------------------------------------
 
@@ -153,7 +153,7 @@ Thread #x's call to pthread_cond_timedwait failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 
 ---------------- pthread_rwlock_* ----------------
@@ -164,13 +164,13 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:189)
+   by 0x........: main (tc20_verifywrap.c:194)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:188)
+   by 0x........: main (tc20_verifywrap.c:193)
  Location 0x........ is 0 bytes inside local var "rwl"
- declared at tc20_verifywrap.c:52, in frame #x of thread x
+ declared at tc20_verifywrap.c:57, in frame #x of thread x
 
 
 (1) no error on next line
@@ -182,13 +182,13 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:206)
+   by 0x........: main (tc20_verifywrap.c:211)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
  Location 0x........ is 0 bytes inside local var "rwl2"
- declared at tc20_verifywrap.c:53, in frame #x of thread x
+ declared at tc20_verifywrap.c:58, in frame #x of thread x
 
 
 (4) no error on next line
@@ -202,14 +202,17 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:227)
+   by 0x........: main (tc20_verifywrap.c:232)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
  Location 0x........ is 0 bytes inside local var "rwl2"
- declared at tc20_verifywrap.c:53, in frame #x of thread x
+ declared at tc20_verifywrap.c:58, in frame #x of thread x
+
+
 
+---------------- pthread_spin_* ----------------
 
 
 ---------------- sem_* ----------------
@@ -220,7 +223,7 @@ Thread #x's call to sem_init failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: sem_init_WRK (hg_intercepts.c:...)
    by 0x........: sem_init@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:248)
+   by 0x........: main (tc20_verifywrap.c:267)
 
 
 FIXME: can't figure out how to verify wrap of sem_destroy
@@ -230,7 +233,7 @@ FIXME: can't figure out how to verify wrap of sem_destroy
 Thread #x: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post
    at 0x........: sem_wait_WRK (hg_intercepts.c:...)
    by 0x........: sem_wait (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:262)
+   by 0x........: main (tc20_verifywrap.c:281)
 
 ----------------------------------------------------------------
 
@@ -239,7 +242,7 @@ Thread #x's call to sem_post failed
    at 0x........: sem_post_WRK (hg_intercepts.c:...)
    by 0x........: sem_post (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:265)
+   by 0x........: main (tc20_verifywrap.c:284)
 
 
 FIXME: can't figure out how to verify wrap of sem_post
diff --git a/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.18 b/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.18
index f109673..b823d40 100644
--- a/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.18
+++ b/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.18
@@ -14,21 +14,21 @@ Thread #x is the program's root thread
 Thread #x was created
    ...
    by 0x........: pthread_create@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:81)
+   by 0x........: main (tc20_verifywrap.c:86)
 
 ----------------------------------------------------------------
 
 Possible data race during write of size 2 at 0x........ by thread #x
 Locks held: none
-   at 0x........: main (tc20_verifywrap.c:83)
+   at 0x........: main (tc20_verifywrap.c:88)
 
 This conflicts with a previous write of size 2 by thread #x
 Locks held: none
-   at 0x........: racy_child (tc20_verifywrap.c:39)
+   at 0x........: racy_child (tc20_verifywrap.c:44)
    by 0x........: mythread_wrapper (hg_intercepts.c:...)
    ...
  Location 0x........ is 0 bytes inside global var "unprotected"
- declared at tc20_verifywrap.c:32
+ declared at tc20_verifywrap.c:37
 
 ----------------------------------------------------------------
 
@@ -36,7 +36,7 @@ Thread #x's call to pthread_join failed
    with error code 35 (EDEADLK: Resource deadlock would occur)
    at 0x........: pthread_join_WRK (hg_intercepts.c:...)
    by 0x........: pthread_join (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:88)
+   by 0x........: main (tc20_verifywrap.c:93)
 
 
 ---------------- pthread_mutex_lock et al ----------------
@@ -46,14 +46,14 @@ Thread #x's call to pthread_join failed
 Thread #x's call to pthread_mutex_init failed
    with error code 95 (EOPNOTSUPP: Operation not supported on transport endpoint)
    at 0x........: pthread_mutex_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:102)
+   by 0x........: main (tc20_verifywrap.c:107)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_mutex_destroy of a locked mutex
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -61,7 +61,7 @@ Thread #x's call to pthread_mutex_lock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_lock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_lock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:118)
+   by 0x........: main (tc20_verifywrap.c:123)
 
 ----------------------------------------------------------------
 
@@ -69,7 +69,7 @@ Thread #x's call to pthread_mutex_trylock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_trylock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_trylock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:126)
+   by 0x........: main (tc20_verifywrap.c:131)
 
 ----------------------------------------------------------------
 
@@ -77,14 +77,14 @@ Thread #x's call to pthread_mutex_timedlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:131)
+   by 0x........: main (tc20_verifywrap.c:136)
 
 ----------------------------------------------------------------
 
 Thread #x unlocked an invalid lock at 0x........
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 ----------------------------------------------------------------
 
@@ -92,7 +92,7 @@ Thread #x's call to pthread_mutex_unlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 
 ---------------- pthread_cond_wait et al ----------------
@@ -102,7 +102,7 @@ Thread #x's call to pthread_mutex_unlock failed
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
@@ -110,14 +110,14 @@ Thread #x's call to pthread_cond_wait failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_signal@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:162)
+   by 0x........: main (tc20_verifywrap.c:167)
 
 
 FIXME: can't figure out how to verify wrap of pthread_cond_signal
@@ -127,7 +127,7 @@ FIXME: can't figure out how to verify wrap of pthread_cond_signal
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:168)
+   by 0x........: main (tc20_verifywrap.c:173)
 
 
 FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
@@ -137,7 +137,7 @@ FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 ----------------------------------------------------------------
 
@@ -145,7 +145,7 @@ Thread #x's call to pthread_cond_timedwait failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 
 ---------------- pthread_rwlock_* ----------------
@@ -156,11 +156,11 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:189)
+   by 0x........: main (tc20_verifywrap.c:194)
   Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:188)
+   by 0x........: main (tc20_verifywrap.c:193)
 
 (1) no error on next line
 (2) no error on next line
@@ -171,11 +171,11 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:206)
+   by 0x........: main (tc20_verifywrap.c:211)
   Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
 
 (4) no error on next line
 (5) no error on next line
@@ -187,11 +187,15 @@ Thread #x unlocked a not-locked lock at 0x........
 Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:227)
+   by 0x........: main (tc20_verifywrap.c:232)
   Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
+
+
+
+---------------- pthread_spin_* ----------------
 
 
 ---------------- sem_* ----------------
@@ -202,7 +206,7 @@ Thread #x's call to sem_init failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: sem_init_WRK (hg_intercepts.c:...)
    by 0x........: sem_init@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:243)
+   by 0x........: main (tc20_verifywrap.c:267)
 
 
 FIXME: can't figure out how to verify wrap of sem_destroy
@@ -212,7 +216,7 @@ FIXME: can't figure out how to verify wrap of sem_destroy
 Thread #x: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post
    at 0x........: sem_wait_WRK (hg_intercepts.c:...)
    by 0x........: sem_wait (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:257)
+   by 0x........: main (tc20_verifywrap.c:281)
 
 ----------------------------------------------------------------
 
@@ -220,7 +224,7 @@ Thread #x's call to sem_post failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: sem_post_WRK (hg_intercepts.c:...)
    by 0x........: sem_post (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:260)
+   by 0x........: main (tc20_verifywrap.c:284)
 
 
 FIXME: can't figure out how to verify wrap of sem_post
diff --git a/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.21 b/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.21
index 7f4eb21..2a2ee9b 100644
--- a/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.21
+++ b/helgrind/tests/tc20_verifywrap.stderr.exp-glibc-2.21
@@ -14,21 +14,21 @@ Thread #x is the program's root thread
 Thread #x was created
    ...
    by 0x........: pthread_create@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:81)
+   by 0x........: main (tc20_verifywrap.c:86)
 
 ----------------------------------------------------------------
 
 Possible data race during write of size 2 at 0x........ by thread #x
 Locks held: none
-   at 0x........: main (tc20_verifywrap.c:83)
+   at 0x........: main (tc20_verifywrap.c:88)
 
 This conflicts with a previous write of size 2 by thread #x
 Locks held: none
-   at 0x........: racy_child (tc20_verifywrap.c:39)
+   at 0x........: racy_child (tc20_verifywrap.c:44)
    by 0x........: mythread_wrapper (hg_intercepts.c:...)
    ...
  Location 0x........ is 0 bytes inside global var "unprotected"
- declared at tc20_verifywrap.c:32
+ declared at tc20_verifywrap.c:37
 
 ----------------------------------------------------------------
 
@@ -36,7 +36,7 @@ Thread #x's call to pthread_join failed
    with error code 35 (EDEADLK: Resource deadlock would occur)
    at 0x........: pthread_join_WRK (hg_intercepts.c:...)
    by 0x........: pthread_join (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:88)
+   by 0x........: main (tc20_verifywrap.c:93)
 
 
 ---------------- pthread_mutex_lock et al ----------------
@@ -46,14 +46,14 @@ Thread #x's call to pthread_join failed
 Thread #x's call to pthread_mutex_init failed
    with error code 95 (EOPNOTSUPP: Operation not supported on transport endpoint)
    at 0x........: pthread_mutex_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:102)
+   by 0x........: main (tc20_verifywrap.c:107)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_mutex_destroy of a locked mutex
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -61,7 +61,7 @@ Thread #x's call to pthread_mutex_destroy failed
    with error code 16 (EBUSY: Device or resource busy)
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -69,7 +69,7 @@ Thread #x's call to pthread_mutex_lock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_lock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_lock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:118)
+   by 0x........: main (tc20_verifywrap.c:123)
 
 ----------------------------------------------------------------
 
@@ -77,7 +77,7 @@ Thread #x's call to pthread_mutex_trylock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_trylock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_trylock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:126)
+   by 0x........: main (tc20_verifywrap.c:131)
 
 ----------------------------------------------------------------
 
@@ -85,14 +85,14 @@ Thread #x's call to pthread_mutex_timedlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:131)
+   by 0x........: main (tc20_verifywrap.c:136)
 
 ----------------------------------------------------------------
 
 Thread #x unlocked an invalid lock at 0x........
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 ----------------------------------------------------------------
 
@@ -100,7 +100,7 @@ Thread #x's call to pthread_mutex_unlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 
 ---------------- pthread_cond_wait et al ----------------
@@ -110,7 +110,7 @@ Thread #x's call to pthread_mutex_unlock failed
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
@@ -118,14 +118,14 @@ Thread #x's call to pthread_cond_wait failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_signal@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:162)
+   by 0x........: main (tc20_verifywrap.c:167)
 
 
 FIXME: can't figure out how to verify wrap of pthread_cond_signal
@@ -135,7 +135,7 @@ FIXME: can't figure out how to verify wrap of pthread_cond_signal
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:168)
+   by 0x........: main (tc20_verifywrap.c:173)
 
 
 FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
@@ -145,7 +145,7 @@ FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 ----------------------------------------------------------------
 
@@ -153,7 +153,7 @@ Thread #x's call to pthread_cond_timedwait failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 
 ---------------- pthread_rwlock_* ----------------
@@ -164,13 +164,13 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:189)
+   by 0x........: main (tc20_verifywrap.c:194)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:188)
+   by 0x........: main (tc20_verifywrap.c:193)
  Location 0x........ is 0 bytes inside local var "rwl"
- declared at tc20_verifywrap.c:52, in frame #x of thread x
+ declared at tc20_verifywrap.c:57, in frame #x of thread x
 
 
 (1) no error on next line
@@ -182,13 +182,13 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:206)
+   by 0x........: main (tc20_verifywrap.c:211)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
  Location 0x........ is 0 bytes inside local var "rwl2"
- declared at tc20_verifywrap.c:53, in frame #x of thread x
+ declared at tc20_verifywrap.c:58, in frame #x of thread x
 
 
 (4) no error on next line
@@ -202,14 +202,17 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:227)
+   by 0x........: main (tc20_verifywrap.c:232)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
  Location 0x........ is 0 bytes inside local var "rwl2"
- declared at tc20_verifywrap.c:53, in frame #x of thread x
+ declared at tc20_verifywrap.c:58, in frame #x of thread x
+
+
 
+---------------- pthread_spin_* ----------------
 
 
 ---------------- sem_* ----------------
@@ -220,7 +223,7 @@ Thread #x's call to sem_init failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: sem_init_WRK (hg_intercepts.c:...)
    by 0x........: sem_init@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:248)
+   by 0x........: main (tc20_verifywrap.c:267)
 
 
 FIXME: can't figure out how to verify wrap of sem_destroy
@@ -230,7 +233,7 @@ FIXME: can't figure out how to verify wrap of sem_destroy
 Thread #x: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post
    at 0x........: sem_wait_WRK (hg_intercepts.c:...)
    by 0x........: sem_wait (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:262)
+   by 0x........: main (tc20_verifywrap.c:281)
 
 
 FIXME: can't figure out how to verify wrap of sem_post
diff --git a/helgrind/tests/tc20_verifywrap.stderr.exp-s390x b/helgrind/tests/tc20_verifywrap.stderr.exp-s390x
index 3f60f79..f19215e 100644
--- a/helgrind/tests/tc20_verifywrap.stderr.exp-s390x
+++ b/helgrind/tests/tc20_verifywrap.stderr.exp-s390x
@@ -15,22 +15,22 @@ Thread #x was created
    ...
    by 0x........: pthread_create_WRK (hg_intercepts.c:...)
    by 0x........: pthread_create@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:81)
+   by 0x........: main (tc20_verifywrap.c:86)
 
 ----------------------------------------------------------------
 
 Possible data race during write of size 2 at 0x........ by thread #x
 Locks held: none
-   at 0x........: main (tc20_verifywrap.c:83)
+   at 0x........: main (tc20_verifywrap.c:88)
 
 This conflicts with a previous write of size 2 by thread #x
 Locks held: none
-   at 0x........: racy_child (tc20_verifywrap.c:39)
+   at 0x........: racy_child (tc20_verifywrap.c:44)
    by 0x........: mythread_wrapper (hg_intercepts.c:...)
    ...
 
 Location 0x........ is 0 bytes inside global var "unprotected"
-declared at tc20_verifywrap.c:32
+declared at tc20_verifywrap.c:37
 
 ----------------------------------------------------------------
 
@@ -38,7 +38,7 @@ Thread #x's call to pthread_join failed
    with error code 35 (EDEADLK: Resource deadlock would occur)
    at 0x........: pthread_join_WRK (hg_intercepts.c:...)
    by 0x........: pthread_join (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:88)
+   by 0x........: main (tc20_verifywrap.c:93)
 
 
 ---------------- pthread_mutex_lock et al ----------------
@@ -48,14 +48,14 @@ Thread #x's call to pthread_join failed
 Thread #x's call to pthread_mutex_init failed
    with error code 95 (EOPNOTSUPP: Operation not supported on transport endpoint)
    at 0x........: pthread_mutex_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:102)
+   by 0x........: main (tc20_verifywrap.c:107)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_mutex_destroy of a locked mutex
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -63,7 +63,7 @@ Thread #x's call to pthread_mutex_destroy failed
    with error code 16 (EBUSY: Device or resource busy)
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -71,7 +71,7 @@ Thread #x's call to pthread_mutex_lock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_lock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_lock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:118)
+   by 0x........: main (tc20_verifywrap.c:123)
 
 ----------------------------------------------------------------
 
@@ -79,7 +79,7 @@ Thread #x's call to pthread_mutex_trylock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_trylock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_trylock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:126)
+   by 0x........: main (tc20_verifywrap.c:131)
 
 ----------------------------------------------------------------
 
@@ -87,14 +87,14 @@ Thread #x's call to pthread_mutex_timedlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:131)
+   by 0x........: main (tc20_verifywrap.c:136)
 
 ----------------------------------------------------------------
 
 Thread #x unlocked an invalid lock at 0x........
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 ----------------------------------------------------------------
 
@@ -102,7 +102,7 @@ Thread #x's call to pthread_mutex_unlock failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 
 ---------------- pthread_cond_wait et al ----------------
@@ -112,7 +112,7 @@ Thread #x's call to pthread_mutex_unlock failed
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
@@ -120,14 +120,14 @@ Thread #x's call to pthread_cond_wait failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_signal@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:162)
+   by 0x........: main (tc20_verifywrap.c:167)
 
 
 FIXME: can't figure out how to verify wrap of pthread_cond_signal
@@ -137,7 +137,7 @@ FIXME: can't figure out how to verify wrap of pthread_cond_signal
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:168)
+   by 0x........: main (tc20_verifywrap.c:173)
 
 
 FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
@@ -147,7 +147,7 @@ FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 ----------------------------------------------------------------
 
@@ -155,7 +155,7 @@ Thread #x's call to pthread_cond_timedwait failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 
 ---------------- pthread_rwlock_* ----------------
@@ -166,11 +166,11 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:189)
+   by 0x........: main (tc20_verifywrap.c:194)
   Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:188)
+   by 0x........: main (tc20_verifywrap.c:193)
 
 (1) no error on next line
 (2) no error on next line
@@ -181,11 +181,11 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:206)
+   by 0x........: main (tc20_verifywrap.c:211)
   Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
 
 (4) no error on next line
 (5) no error on next line
@@ -198,11 +198,15 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:227)
+   by 0x........: main (tc20_verifywrap.c:232)
   Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
+
+
+
+---------------- pthread_spin_* ----------------
 
 
 ---------------- sem_* ----------------
@@ -213,7 +217,7 @@ Thread #x's call to sem_init failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: sem_init_WRK (hg_intercepts.c:...)
    by 0x........: sem_init@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:243)
+   by 0x........: main (tc20_verifywrap.c:267)
 
 
 FIXME: can't figure out how to verify wrap of sem_destroy
@@ -223,7 +227,7 @@ FIXME: can't figure out how to verify wrap of sem_destroy
 Thread #x: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post
    at 0x........: sem_wait_WRK (hg_intercepts.c:...)
    by 0x........: sem_wait (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:257)
+   by 0x........: main (tc20_verifywrap.c:281)
 
 
 FIXME: can't figure out how to verify wrap of sem_post
diff --git a/helgrind/tests/tc20_verifywrap.stderr.exp-solaris b/helgrind/tests/tc20_verifywrap.stderr.exp-solaris
index 921ebf5..072cc18 100644
--- a/helgrind/tests/tc20_verifywrap.stderr.exp-solaris
+++ b/helgrind/tests/tc20_verifywrap.stderr.exp-solaris
@@ -14,21 +14,21 @@ Thread #x is the program's root thread
 Thread #x was created
    ...
    by 0x........: pthread_create@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:81)
+   by 0x........: main (tc20_verifywrap.c:86)
 
 ----------------------------------------------------------------
 
 Possible data race during write of size 2 at 0x........ by thread #x
 Locks held: none
-   at 0x........: main (tc20_verifywrap.c:83)
+   at 0x........: main (tc20_verifywrap.c:88)
 
 This conflicts with a previous write of size 2 by thread #x
 Locks held: none
-   at 0x........: racy_child (tc20_verifywrap.c:39)
+   at 0x........: racy_child (tc20_verifywrap.c:44)
    by 0x........: mythread_wrapper (hg_intercepts.c:...)
    ...
  Location 0x........ is 0 bytes inside global var "unprotected"
- declared at tc20_verifywrap.c:32
+ declared at tc20_verifywrap.c:37
 
 ----------------------------------------------------------------
 
@@ -36,7 +36,7 @@ Thread #x's call to pthread_join failed
    with error code 45 (EDEADLK: Resource deadlock would occur)
    at 0x........: pthread_join_WRK (hg_intercepts.c:...)
    by 0x........: pthread_join (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:88)
+   by 0x........: main (tc20_verifywrap.c:93)
 
 
 ---------------- pthread_mutex_lock et al ----------------
@@ -46,14 +46,14 @@ Thread #x's call to pthread_join failed
 Thread #x's call to mutex_init failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: pthread_mutex_init (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:102)
+   by 0x........: main (tc20_verifywrap.c:107)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_mutex_destroy of a locked mutex
    at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:112)
+   by 0x........: main (tc20_verifywrap.c:117)
 
 ----------------------------------------------------------------
 
@@ -61,7 +61,7 @@ Thread #x's call to pthread_mutex_lock failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: mutex_lock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_lock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:118)
+   by 0x........: main (tc20_verifywrap.c:123)
 
 ----------------------------------------------------------------
 
@@ -69,7 +69,7 @@ Thread #x's call to pthread_mutex_trylock failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: mutex_trylock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_trylock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:126)
+   by 0x........: main (tc20_verifywrap.c:131)
 
 ----------------------------------------------------------------
 
@@ -77,14 +77,14 @@ Thread #x's call to pthread_mutex_timedlock failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:131)
+   by 0x........: main (tc20_verifywrap.c:136)
 
 ----------------------------------------------------------------
 
 Thread #x unlocked an invalid lock at 0x........
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 ----------------------------------------------------------------
 
@@ -92,7 +92,7 @@ Thread #x's call to pthread_mutex_unlock failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:135)
+   by 0x........: main (tc20_verifywrap.c:140)
 
 
 ---------------- pthread_cond_wait et al ----------------
@@ -102,7 +102,7 @@ Thread #x's call to pthread_mutex_unlock failed
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
@@ -110,14 +110,14 @@ Thread #x's call to pthread_cond_wait failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:157)
+   by 0x........: main (tc20_verifywrap.c:162)
 
 ----------------------------------------------------------------
 
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_signal@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:162)
+   by 0x........: main (tc20_verifywrap.c:167)
 
 
 FIXME: can't figure out how to verify wrap of pthread_cond_signal
@@ -127,7 +127,7 @@ FIXME: can't figure out how to verify wrap of pthread_cond_signal
 Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
    at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:168)
+   by 0x........: main (tc20_verifywrap.c:173)
 
 
 FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
@@ -137,7 +137,7 @@ FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
 Thread #x: pthread_cond_{timed}wait called with un-held mutex
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 ----------------------------------------------------------------
 
@@ -145,7 +145,7 @@ Thread #x's call to pthread_cond_timedwait failed
    with error code 1 (EPERM: Operation not permitted)
    at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
    by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
-   by 0x........: main (tc20_verifywrap.c:175)
+   by 0x........: main (tc20_verifywrap.c:180)
 
 
 ---------------- pthread_rwlock_* ----------------
@@ -156,13 +156,13 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:189)
+   by 0x........: main (tc20_verifywrap.c:194)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:188)
+   by 0x........: main (tc20_verifywrap.c:193)
  Location 0x........ is 0 bytes inside rwl.__pthread_rwlock_readers,
- declared at tc20_verifywrap.c:52, in frame #x of thread x
+ declared at tc20_verifywrap.c:57, in frame #x of thread x
 
 
 ----------------------------------------------------------------
@@ -172,7 +172,7 @@ Thread #x's call to pthread_rwlock_unlock failed
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:189)
+   by 0x........: main (tc20_verifywrap.c:194)
 
 (1) no error on next line
 (2) no error on next line
@@ -183,13 +183,13 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:206)
+   by 0x........: main (tc20_verifywrap.c:211)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
  Location 0x........ is 0 bytes inside rwl2.__pthread_rwlock_readers,
- declared at tc20_verifywrap.c:53, in frame #x of thread x
+ declared at tc20_verifywrap.c:58, in frame #x of thread x
 
 
 ----------------------------------------------------------------
@@ -199,7 +199,7 @@ Thread #x's call to pthread_rwlock_unlock failed
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:206)
+   by 0x........: main (tc20_verifywrap.c:211)
 
 (4) no error on next line
 (5) no error on next line
@@ -212,13 +212,13 @@ Thread #x unlocked a not-locked lock at 0x........
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:227)
+   by 0x........: main (tc20_verifywrap.c:232)
  Lock at 0x........ was first observed
    at 0x........: pthread_rwlock_init (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:196)
+   by 0x........: main (tc20_verifywrap.c:201)
  Location 0x........ is 0 bytes inside rwl2.__pthread_rwlock_readers,
- declared at tc20_verifywrap.c:53, in frame #x of thread x
+ declared at tc20_verifywrap.c:58, in frame #x of thread x
 
 
 ----------------------------------------------------------------
@@ -228,7 +228,11 @@ Thread #x's call to pthread_rwlock_unlock failed
    at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
    by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:227)
+   by 0x........: main (tc20_verifywrap.c:232)
+
+
+
+---------------- pthread_spin_* ----------------
 
 
 ---------------- sem_* ----------------
@@ -239,7 +243,7 @@ Thread #x's call to sema_init failed
    with error code 22 (EINVAL: Invalid argument)
    at 0x........: sema_init (hg_intercepts.c:...)
    ...
-   by 0x........: main (tc20_verifywrap.c:248)
+   by 0x........: main (tc20_verifywrap.c:267)
 
 
 FIXME: can't figure out how to verify wrap of sem_destroy