Startpunkten

body.c

@@ -0,0 +1,45 @@
+#include "student.h"
+
+#define PATH ".phys_socket"
+#define LPATH ".link_socket"
+
+int PSOCK_FD, LSOCK_FD;
+
+void do_something(void)
+{
+   PollSOcket(LSOCK_FD, PSOCK_FD, NULL);
+}
+
+void main(int argc, char *argv[])
+{
+   int tmp_fd1;
+
+   if((LSOCK_FD = CreateUnixClientSocket(LPATH)) < 0)
+   {
+      fprintf(stderr, "Can't create unix client socket\n");
+      exit(1);
+   }
+   
+   if((tmp_fd1 = CreateUnixServerSocket(PATH) < 0)
+   {
+      fprintf(stderr, "Can't create unix server socket\n");
+      exit(1);
+   }
+
+   switch(fork())
+   {
+      case -1: fprintf(stderr, "Fork failed\n");
+      case  0: close(PSOCK_FD);
+               close(LSOCK_FD);
+               execv("./physical_layer", argv);
+               exit(1);
+      default: if((PSOCK_FD = AcceptConnection(tmp_fd1)) < 0
+               {
+                   fprintf(stderr, "Can't accept unix client signal socket\n");
+                   exit(1);
+               }
+
+      do_something();
+      exit(1);
+   }
+}