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...e equivalent change on the client side which caused a dramatic performance improvement, there is no noticable difference from this patch in my testing. --- server/sockets.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/server/sockets.c b/server/sockets.c index 2c71970..b25405c 100644 --- a/server/sockets.c +++ b/server/sockets.c @@ -37,13 +37,15 @@ #include <stdbool.h> #include <string.h> #include <unistd.h> +#include <poll.h> +#include <errno.h> +#include <assert.h> #include <sys/types.h> #include <sys/socket.h&...

GCC is concerned that if we never go round the loop then fd will be uninitialized. By asserting that getaddrinfo set result != NULL we can avoid this. nbd.c: In function ‘nbd_open_handle’: nbd.c:974:5: error: ‘fd’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 974 | close (fd); | ^~~~~~~~~~ nbd.c:954:7: note: ‘fd’ was declared here 954 | int fd;