117 void CrashRecoveryContext::registerCleanup(CrashRecoveryContextCleanup *cleanup)  in registerCleanup()  argument
119   if (!cleanup)  in registerCleanup()
122     head->prev = cleanup;  in registerCleanup()
123   cleanup->next = head;  in registerCleanup()
124   head = cleanup;  in registerCleanup()
128 CrashRecoveryContext::unregisterCleanup(CrashRecoveryContextCleanup *cleanup) {  in unregisterCleanup()  argument
129   if (!cleanup)  in unregisterCleanup()
131   if (cleanup == head) {  in unregisterCleanup()
132     head = cleanup->next;  in unregisterCleanup()
137     cleanup->prev->next = cleanup->next;  in unregisterCleanup()
138     if (cleanup->next)  in unregisterCleanup()
139       cleanup->next->prev = cleanup->prev;  in unregisterCleanup()
141   delete cleanup;  in unregisterCleanup()