Made sockets nonblocking (I'm a fool who didn't do this and spent several hours trying to figure out why I couldn't handle a second request if firefox was on the page I'm so dumb I hate myself I hate coding I hate the internet computers were a mistake)

src/connections.c

@@ -202,7 +202,7 @@ static int processChar(Connection *conn, char c, Sitefile *site) {
 	return 0;
 }
 
-long diff(struct timespec *t1, struct timespec *t2) {
+static long diff(struct timespec *t1, struct timespec *t2) {
 	return (t2->tv_sec - t1->tv_sec) * 1000 +
 		(t2->tv_nsec - t1->tv_nsec) / 1000000;
 }
@@ -220,12 +220,11 @@ int updateConnection(Connection *conn, Sitefile *site) {
 		if (received < 0)
 			return errno != EAGAIN;
 		if (received == 0)
-			break;
+			return 0;
 		memcpy(&conn->lastdata, &currentTime, sizeof(struct timespec));
 		for (unsigned long i = 0; i < received; i++) {
 			if (processChar(conn, buff[i], site))
 				return 1;
 		}
 	}
-	return 0;
 }

src/include/sockets.h

@@ -44,7 +44,7 @@ Listener *createListener(SocketType type, uint16_t port, int backlog, ...);
 //extra arguments depend on type (similar to fcntl):
 //tcp: (void)
 //tls: (char *keyfile, char *certfile, char *ocspfile)
-Stream *acceptStream(Listener *listener);
+Stream *acceptStream(Listener *listener, int flags);
 //returns 1 on error, accepts fcntl flags
 
 void freeListener(Listener *listener);

src/main.c

@@ -34,7 +34,7 @@
 int main(int argc, char **argv) {
 	char *logout = "/var/log/swebs.log";
 	char *sitefile = NULL;
-	int processes = 8;
+	int processes = sysconf(_SC_NPROCESSORS_ONLN) + 1;
 	uint16_t port = 443;
 	int backlog = 100;
 	for (;;) {
@@ -76,7 +76,7 @@ int main(int argc, char **argv) {
 				printf(
 "Usage: swebs [options]\n"
 "  -o [out]                  Set the log file (default: /var/log/swebs.log)\n"
-"  -j [cores]                Use that many cores (default: 8)\n"
+"  -j [cores]                Use that many cores (default: $(nproc)+1)\n"
 "  -s [site file]            Use that site file (required)\n"
 "  -p [port]                 Set the port (default: 443)\n"
 "  -b [backlog]              Set the socket backlog (default: 100)\n"
@@ -145,7 +145,7 @@ int main(int argc, char **argv) {
 	createLog("swebs started");
 
 	for (;;) {
-		Stream *stream = acceptStream(listener);
+		Stream *stream = acceptStream(listener, O_NONBLOCK);
 		if (stream == NULL) {
 			createLog("Accepting a stream failed");
 			continue;

src/responses.c

@@ -142,6 +142,7 @@ int sendResponse(Connection *conn, Sitefile *site) {
 					readResponse(conn, site->content[i].arg);
 					goto end;
 				default:
+					sendErrorResponse(conn, ERROR_500);
 					return 1;
 			}
 		}

src/sockets.c

@@ -91,7 +91,7 @@ error:
 	return NULL;
 }
 
-Stream *acceptStream(Listener *listener) {
+Stream *acceptStream(Listener *listener, int flags) {
 	Stream *ret = malloc(sizeof(Stream));
 	if (ret == NULL)
 		return NULL;
@@ -104,6 +104,9 @@ Stream *acceptStream(Listener *listener) {
 		return NULL;
 	}
 
+	int oldflags = fcntl(ret->fd, F_GETFL);
+	fcntl(ret->fd, F_SETFL, oldflags | flags);
+
 	switch (listener->type) {
 		case TCP: default:
 			break;