Added test of RunLoop FD listening.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1891 72102866-910b-0410-8b05-ffd578937521

Examples/first-server.m

@@ -2,6 +2,43 @@
 #include <gnustep/base/Connection.h>
 #include "first-server.h"
 #include <gnustep/base/String.h>
+#include <gnustep/base/RunLoop.h>
+#include <sys/file.h>
+
+
+@interface	MyIo: NSObject <FdListening,FdSpeaking>
+{
+   id	runLoop;
+   id	mode;
+   char	c;
+}
+- initForRunLoop: r andMode: m;
+- (void) readyForReadingOnFileDescriptor: (int)fd;
+- (void) readyForWritingOnFileDescriptor: (int)fd;
+@end
+
+@implementation	MyIo
+- initForRunLoop: r andMode: m
+{
+    runLoop = r;
+    mode = m;
+    return self;
+}
+- (void) readyForReadingOnFileDescriptor: (int)fd
+{
+    if (read(fd, &c, 1) == 1) {
+        [runLoop addWriteDescriptor: 1 object: self forMode: mode];
+        [runLoop removeReadDescriptor: fd forMode: mode];
+    }
+}
+- (void) readyForWritingOnFileDescriptor: (int)fd
+{
+    if (write(fd, &c, 1) == 1) {
+        [runLoop addReadDescriptor: 0 object: self forMode: mode];
+	[runLoop removeWriteDescriptor: fd forMode: mode];
+    }
+}
+@end
 
 @implementation FirstServer
 - sayHiTo: (char *)name
@@ -14,6 +51,15 @@
 int main()
 {
   id s, c;
+  MyIo*		myIo;
+  NSString*	m;
+  id r;
+
+  r = [RunLoop currentInstance];
+  m = [RunLoop currentMode];
+  myIo = [[MyIo alloc] initForRunLoop: r andMode: m];
+
+  [r addReadDescriptor: 0 object: myIo forMode: m];
 
   /* Create our server object */
   s = [[FirstServer alloc] init];