diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/pthreadP.h | 6 | ||||
| -rw-r--r-- | nptl/pthread_mutex_init.c | 13 |
2 files changed, 19 insertions, 0 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index dbf46b0..ae1b881 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -639,4 +639,10 @@ check_stacksize_attr (size_t st) return EINVAL; } +#define ASSERT_PTHREAD_STRING(x) __STRING (x) +#define ASSERT_PTHREAD_INTERNAL_OFFSET(type, member, offset) \ + _Static_assert (offsetof (type, member) == offset, \ + "offset of " #member " field of " #type " != " \ + ASSERT_PTHREAD_STRING (offset)) + #endif /* pthreadP.h */ diff --git a/nptl/pthread_mutex_init.c b/nptl/pthread_mutex_init.c index 6f2fc80..e1f911b 100644 --- a/nptl/pthread_mutex_init.c +++ b/nptl/pthread_mutex_init.c @@ -23,6 +23,7 @@ #include <kernel-features.h> #include "pthreadP.h" #include <atomic.h> +#include <pthread-offsets.h> #include <stap-probe.h> @@ -58,6 +59,18 @@ __pthread_mutex_init (pthread_mutex_t *mutex, const struct pthread_mutexattr *imutexattr; assert (sizeof (pthread_mutex_t) <= __SIZEOF_PTHREAD_MUTEX_T); + ASSERT_PTHREAD_INTERNAL_OFFSET (pthread_mutex_t, __data.__nusers, + __PTHREAD_MUTEX_NUSERS_OFFSET); + ASSERT_PTHREAD_INTERNAL_OFFSET (pthread_mutex_t, __data.__kind, + __PTHREAD_MUTEX_KIND_OFFSET); + ASSERT_PTHREAD_INTERNAL_OFFSET (pthread_mutex_t, __data.__spins, + __PTHREAD_MUTEX_SPINS_OFFSET); +#if __PTHREAD_MUTEX_LOCK_ELISION + ASSERT_PTHREAD_INTERNAL_OFFSET (pthread_mutex_t, __data.__elision, + __PTHREAD_MUTEX_ELISION_OFFSET); +#endif + ASSERT_PTHREAD_INTERNAL_OFFSET (pthread_mutex_t, __data.__list, + __PTHREAD_MUTEX_LIST_OFFSET); imutexattr = ((const struct pthread_mutexattr *) mutexattr ?: &default_mutexattr); |