go against modern advice and set RLIMIT_NOFILE to 65536.

We're otherwise really leniant with our fd usage but since Wayland uses fds to allocate buffers, wanting to create more then 1024 widgets causes a crash, justifying this.

src/backend/wayland/buffer.c

@@ -62,8 +62,8 @@ void MwLLWaylandBufferSetup(struct _MwLLWaylandShmBuffer* buffer, MwU32 width, M
 
 	buffer->fd	= mkstemp(temp_name);
 	buffer->fd_back = mkstemp(temp_name_back);
-	if(buffer->fd >= FD_SETSIZE - 1) {
-		MwDispatchError(-1, "Amount of allocated buffers has reached FD_SETSIZE! Cannot continue.\n");
+	if(buffer->fd >= 65536) {
+		MwDispatchError(-1, "Amount of allocated buffers has gone above 65536! Cannot continue.\n");
 		return;
 	}
 

src/backend/wayland/wayland.c

@@ -2,6 +2,7 @@
 
 #include <sys/poll.h>
 #include <sys/mman.h>
+#include <sys/resource.h>
 
 #include "../../../external/stb_ds.h"
 
@@ -1968,6 +1969,17 @@ static int MwLLWaylandCallInitImpl(void) {
 	char*  milsko_backend_env = getenv("MILSKO_BACKEND");
 	char*  mw_backend_env	  = getenv("MW_BACKEND");
 
+	struct rlimit rl;
+
+	/* Set both soft and hard limit to 65536 file descriptors */
+	rl.rlim_cur = 65536; /* soft limit */
+	rl.rlim_max = 65536; /* hard limit */
+
+	if(setrlimit(RLIMIT_NOFILE, &rl) == -1) {
+		perror("setrlimit");
+		return 1;
+	}
+
 	if(milsko_backend_env || mw_backend_env) {
 		if(milsko_backend_env) {
 			/*