516 	struct kvm_signal_mask *sigmask = alloca(offsetof(struct kvm_signal_mask, sigset)  in vcpu_worker()
518 	sigset_t *sigset = (sigset_t *) &sigmask->sigset;  in vcpu_worker()  local
528 	pthread_sigmask(0, NULL, sigset);  in vcpu_worker()
529 	sigdelset(sigset, SIG_IPI);  in vcpu_worker()
532 	sigemptyset(sigset);  in vcpu_worker()
533 	sigaddset(sigset, SIG_IPI);  in vcpu_worker()
545 			sigwait(sigset, &sig);  in vcpu_worker()
859 	sigset_t sigset;  in main()  local
919 	sigemptyset(&sigset);  in main()
920 	sigaddset(&sigset, SIG_IPI);  in main()
921 	pthread_sigmask(SIG_BLOCK, &sigset, NULL);  in main()