test-util-sockets: Synchronize properly, don't sleep(1)
The abstract sockets test spawns a thread to listen and accept, and a second one to connect, with a sleep(1) in between to "ensure" the former is listening when the latter tries to connect. Review fail. Risks spurious test failure, say when a heavily loaded machine doesn't schedule the first thread quickly enough. It's also slow. Listen and accept in the main thread, and start the connect thread in between. Look ma, no sleep! Run time drops from 2s wall clock to a few milliseconds. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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@ -230,26 +230,6 @@ static void test_socket_fd_pass_num_nocli(void)
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#endif
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#endif
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#ifdef __linux__
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#ifdef __linux__
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static gpointer unix_server_thread_func(gpointer user_data)
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{
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SocketAddress *addr = user_data;
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int fd;
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int connfd;
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struct sockaddr_un un;
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socklen_t len = sizeof(un);
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fd = socket_listen(addr, 1, &error_abort);
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g_assert_cmpint(fd, >=, 0);
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g_assert(fd_is_socket(fd));
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connfd = accept(fd, (struct sockaddr *)&un, &len);
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g_assert_cmpint(connfd, !=, -1);
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close(connfd);
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close(fd);
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return NULL;
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}
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static gpointer unix_client_thread_func(gpointer user_data)
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static gpointer unix_client_thread_func(gpointer user_data)
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{
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{
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SocketAddress *addr = user_data;
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SocketAddress *addr = user_data;
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@ -263,20 +243,26 @@ static gpointer unix_client_thread_func(gpointer user_data)
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static void test_socket_unix_abstract_one(SocketAddress *addr)
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static void test_socket_unix_abstract_one(SocketAddress *addr)
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{
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{
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GThread *serv, *cli;
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int fd, connfd;
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GThread *cli;
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struct sockaddr_un un;
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socklen_t len = sizeof(un);
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serv = g_thread_new("abstract_unix_server",
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fd = socket_listen(addr, 1, &error_abort);
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unix_server_thread_func,
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g_assert_cmpint(fd, >=, 0);
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addr);
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g_assert(fd_is_socket(fd));
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sleep(1);
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cli = g_thread_new("abstract_unix_client",
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cli = g_thread_new("abstract_unix_client",
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unix_client_thread_func,
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unix_client_thread_func,
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addr);
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addr);
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connfd = accept(fd, (struct sockaddr *)&un, &len);
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g_assert_cmpint(connfd, !=, -1);
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close(connfd);
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close(fd);
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g_thread_join(cli);
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g_thread_join(cli);
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g_thread_join(serv);
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}
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}
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static void test_socket_unix_abstract_good(void)
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static void test_socket_unix_abstract_good(void)
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