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-rw-r--r--sysdeps/generic/pt-mutex-unlock.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sysdeps/generic/pt-mutex-unlock.c b/sysdeps/generic/pt-mutex-unlock.c
index 492dfcb5..d2a42570 100644
--- a/sysdeps/generic/pt-mutex-unlock.c
+++ b/sysdeps/generic/pt-mutex-unlock.c
@@ -37,7 +37,12 @@ __pthread_mutex_unlock (pthread_mutex_t *mutex)
if (_pthread_self ())
{
assert (mutex->owner);
- assert (mutex->owner == _pthread_self ());
+ assertx (mutex->owner == _pthread_self (),
+ "%p(%x) != %p(%x)",
+ mutex->owner,
+ ((struct __pthread *) mutex->owner)->threadid,
+ _pthread_self (),
+ _pthread_self ()->threadid);
mutex->owner = NULL;
}
#endif