increate max path length for windows

vlib/net/unix/aasocket.c.v

@@ -4,8 +4,12 @@ import net
 
 const use_net = net.no_timeout
 
-// 104 for macos, 108 for linux => use the minimum
-const max_sun_path = 104
+const max_sun_path = $if windows {
+	256
+} $else {
+	// 104 for macos, 108 for linux => use the minimum
+	104
+}
 
 // Select represents a select operation
 enum Select {

vlib/net/unix/common.c.v

@@ -98,12 +98,9 @@ fn wait_for_common(handle int, deadline time.Time, timeout time.Duration, test S
 	// Convert timeouts to deadlines
 	real_deadline := if timeout == net.infinite_timeout {
 		time.unix(0)
-	} else if timeout == 0 {
+	} else if timeout <= 0 {
 		// No timeout set, so assume deadline
 		deadline
-	} else if timeout < 0 {
-		// TODO(emily): Do something nicer here :)
-		panic('invalid negative timeout')
 	} else {
 		// timeout
 		time.now().add(timeout)

vlib/net/unix/unix_test.v

@@ -2,8 +2,8 @@ import os
 import net.unix
 
 const (
-	tfolder   = os.join_path(os.vtmp_dir(), 'unix_test')
-	test_port = os.join_path(tfolder, 'unix_domain_socket')
+	tfolder     = os.join_path(os.vtmp_dir(), 'unix_test')
+	socket_path = os.join_path(tfolder, 'v_unix.sock')
 )
 
 fn testsuite_begin() {
@@ -36,7 +36,7 @@ fn echo_server(mut l unix.StreamListener) ! {
 }
 
 fn echo() ! {
-	mut c := unix.connect_stream(test_port)!
+	mut c := unix.connect_stream(socket_path)!
 	defer {
 		c.close() or {}
 	}
@@ -53,9 +53,13 @@ fn echo() ! {
 }
 
 fn test_tcp() {
-	assert os.exists(test_port) == false
-	mut l := unix.listen_stream(test_port) or { panic(err) }
+	assert os.exists(socket_path) == false
+
+	mut l := unix.listen_stream(socket_path) or { panic(err) }
 	spawn echo_server(mut l)
 	echo() or { panic(err) }
 	l.close() or {}
+
+	// test if socket file is removed/unlinked
+	assert os.exists(socket_path) == false
 }