1*1031c584SApple OSS Distributions #include <darwintest.h> 2*1031c584SApple OSS Distributions #include <poll.h> 3*1031c584SApple OSS Distributions #include <sys/socket.h> 4*1031c584SApple OSS Distributions #include <unistd.h> 5*1031c584SApple OSS Distributions 6*1031c584SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 7*1031c584SApple OSS Distributions 8*1031c584SApple OSS Distributions T_DECL(socket_poll_close_25786011, "Tests an invalid poll call to a socket and then calling close.", T_META_LTEPHASE(LTE_POSTINIT)) 9*1031c584SApple OSS Distributions { 10*1031c584SApple OSS Distributions int my_socket, ret; 11*1031c584SApple OSS Distributions 12*1031c584SApple OSS Distributions my_socket = socket(PF_LOCAL, SOCK_STREAM, 0); 13*1031c584SApple OSS Distributions T_WITH_ERRNO; T_ASSERT_TRUE(my_socket > 0, "create socket"); 14*1031c584SApple OSS Distributions 15*1031c584SApple OSS Distributions /* 16*1031c584SApple OSS Distributions * Setup a pollfd that we know will return an error when we try 17*1031c584SApple OSS Distributions * to create a knote for it. We specify a BSD vnode specific event 18*1031c584SApple OSS Distributions * for a socket. 19*1031c584SApple OSS Distributions */ 20*1031c584SApple OSS Distributions struct pollfd my_pollfd = { 21*1031c584SApple OSS Distributions .fd = my_socket, 22*1031c584SApple OSS Distributions .events = POLLEXTEND 23*1031c584SApple OSS Distributions }; 24*1031c584SApple OSS Distributions 25*1031c584SApple OSS Distributions /* 26*1031c584SApple OSS Distributions * Previously the call to kevent_register() in the kernel from this call 27*1031c584SApple OSS Distributions * would leak an iocount reference on the fileproc, which would cause any 28*1031c584SApple OSS Distributions * subsequent calls to close() on the associated fd to block indefinitely. 29*1031c584SApple OSS Distributions */ 30*1031c584SApple OSS Distributions ret = poll(&my_pollfd, 1, 0); 31*1031c584SApple OSS Distributions T_WITH_ERRNO; T_ASSERT_TRUE(ret == 1, "poll returned %d", ret); 32*1031c584SApple OSS Distributions 33*1031c584SApple OSS Distributions ret = close(my_socket); 34*1031c584SApple OSS Distributions T_ASSERT_POSIX_ZERO(ret, "close on socket with fd %d\n", my_socket); 35*1031c584SApple OSS Distributions 36*1031c584SApple OSS Distributions T_PASS("socket_poll_close_25786011 PASSED"); 37*1031c584SApple OSS Distributions } 38