156 void CrashRecoveryContext::registerCleanup(CrashRecoveryContextCleanup *cleanup)  in registerCleanup()  argument
158   if (!cleanup)  in registerCleanup()
161     head->prev = cleanup;  in registerCleanup()
162   cleanup->next = head;  in registerCleanup()
163   head = cleanup;  in registerCleanup()
167 CrashRecoveryContext::unregisterCleanup(CrashRecoveryContextCleanup *cleanup) {  in unregisterCleanup()  argument
168   if (!cleanup)  in unregisterCleanup()
170   if (cleanup == head) {  in unregisterCleanup()
171     head = cleanup->next;  in unregisterCleanup()
176     cleanup->prev->next = cleanup->next;  in unregisterCleanup()
177     if (cleanup->next)  in unregisterCleanup()
178       cleanup->next->prev = cleanup->prev;  in unregisterCleanup()
180   delete cleanup;  in unregisterCleanup()