diff options
Diffstat (limited to 'src/thread/pthread_mutex_trylock.c')
| -rw-r--r-- | src/thread/pthread_mutex_trylock.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/thread/pthread_mutex_trylock.c b/src/thread/pthread_mutex_trylock.c index cb935651..0df3ce29 100644 --- a/src/thread/pthread_mutex_trylock.c +++ b/src/thread/pthread_mutex_trylock.c @@ -7,12 +7,6 @@ int __pthread_mutex_trylock_owner(pthread_mutex_t *m) pthread_t self = __pthread_self(); int tid = self->tid; - if (!self->robust_list.off) { - __syscall(SYS_set_robust_list, &self->robust_list, 3*sizeof(long)); - self->robust_list.head = &self->robust_list.head; - self->robust_list.off = (char*)&m->_m_lock-(char *)&m->_m_next; - } - old = m->_m_lock; own = old & 0x7fffffff; if (own == tid && (type&3) == PTHREAD_MUTEX_RECURSIVE) { @@ -23,6 +17,10 @@ int __pthread_mutex_trylock_owner(pthread_mutex_t *m) if (own == 0x40000000) return ENOTRECOVERABLE; if (m->_m_type & 128) { + if (!self->robust_list.off) { + self->robust_list.off = (char*)&m->_m_lock-(char *)&m->_m_next; + __syscall(SYS_set_robust_list, &self->robust_list, 3*sizeof(long)); + } if (m->_m_waiters) tid |= 0x80000000; self->robust_list.pending = &m->_m_next; } |