$NetBSD: patch-core_socket.c,v 1.1 2024/06/04 11:50:46 joerg Exp $

Use same non-blocking handling on NetBSD as on Linux.
Use FreeBSD-style acceptfilter on NetBSD as well.

--- core/socket.c.orig	2024-02-08 16:35:28.000000000 +0000
+++ core/socket.c
@@ -413,7 +413,7 @@ static int connect_to_unix(char *socket_
 		memcpy(uws_addr.sun_path, socket_name, UMIN(strlen(socket_name), 102));
 	}
 
-#if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
+#if (defined(__linux__) || defined(__NetBSD__)) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
 	uwsgi_poll.fd = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0);
 #else
 	uwsgi_poll.fd = socket(AF_UNIX, SOCK_STREAM, 0);
@@ -453,7 +453,7 @@ static int connect_to_tcp(char *socket_n
 		uws_addr.sin_addr.s_addr = inet_addr(socket_name);
 	}
 
-#if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
+#if (defined(__linux__) || defined(__NetBSD__)) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
 	uwsgi_poll.fd = socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
 #else
 	uwsgi_poll.fd = socket(AF_INET, SOCK_STREAM, 0);
@@ -744,7 +744,7 @@ int bind_to_tcp(char *socket_name, int l
 			uwsgi_error("TCP_DEFER_ACCEPT setsockopt()");
 		}
 		// OSX has no SO_ACCEPTFILTER !!!
-#elif defined(__freebsd__)
+#elif defined(__freebsd__) || defined(__NetBSD__)
 		struct accept_filter_arg afa;
 		strcpy(afa.af_name, "dataready");
 		afa.af_arg[0] = 0;
@@ -827,7 +827,7 @@ int timed_connect(struct pollfd *fdpoll,
 	int cnt;
 	/* set non-blocking socket */
 
-#if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
+#if (defined(__linux__) || defined(__NetBSD__)) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
 	// hmm, nothing to do, as we are already non-blocking
 #else
 	int arg = fcntl(fdpoll->fd, F_GETFL, NULL);
@@ -861,7 +861,7 @@ int timed_connect(struct pollfd *fdpoll,
 	}
 
 
-#if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
+#if (defined(__linux__) || defined(__NetBSD__)) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
 	uwsgi_socket_b(fdpoll->fd);
 #else
 	/* re-set blocking socket */
@@ -1907,7 +1907,7 @@ int uwsgi_accept(int server_fd) {
 	struct sockaddr_un client_src;
         memset(&client_src, 0, sizeof(struct sockaddr_un));
         socklen_t client_src_len = 0;
-#if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
+#if (defined(__linux__) || defined(__NetBSD__)) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
         return accept4(server_fd, (struct sockaddr *) &client_src, &client_src_len, SOCK_NONBLOCK);
 #elif defined(__linux__)
         int client_fd = accept(server_fd, (struct sockaddr *) &client_src, &client_src_len);