fix race in holding() check in acquire()

give cpu1 a TSS and gdt for when it enters scheduler()
and a pseudo proc[] entry for each cpu
cpu0 waits for each other cpu to start up
read() for files

1 files changed, 1 insertions, 1 deletions

diff --git a/echo.c b/echo.c
index 89e19a9..5d0c5a4 100644
--- a/echo.c
+++ b/echo.c
@@ -5,7 +5,7 @@ main(int argc, char *argv[])
 {
   int i;
 
-  for(i = 0; i < argc; i++){
+  for(i = 1; i < argc; i++){
     puts(argv[i]);
     puts(" ");
   }