kill user process when it generates an unhandled trap (e.g., 13)

fix bug in test code of malloc

1 files changed, 0 insertions, 6 deletions

diff --git a/umalloc.c b/umalloc.c
index 11d816a..cdf099e 100644
--- a/umalloc.c
+++ b/umalloc.c
@@ -26,8 +26,6 @@ free(void *ap)
 {
   Header *bp, *p;
 
-  printf(1, "free\n");
-
   bp = (Header *) ap - 1;
   for (p = freep; !(bp > p && bp < p->s.ptr); p = p->s.ptr)
     if (p >= p->s.ptr && (bp > p || bp < p->s.ptr))
@@ -53,7 +51,6 @@ morecore(uint nu)
   
   if (nu < PAGE)
     nu = PAGE;
-  printf(1, "call sbrk\n");
   cp = sbrk(nu * sizeof(Header));
   if (cp == (char *) -1)
     return 0;
@@ -69,8 +66,6 @@ malloc(uint nbytes)
   Header *p, *prevp;
   uint nunits;
 
-  printf(1, "malloc %d\n", nbytes);
-
   nunits = (nbytes + sizeof(Header) - 1)/sizeof(Header) + 1;
   if ((prevp = freep) == 0) {
     base.s.ptr = freep = prevp = &base;
@@ -86,7 +81,6 @@ malloc(uint nbytes)
 	p->s.size = nunits;
       }
       freep = prevp;
-      printf(1, "malloc returns: %d\n", (int) (p+1));
       return (void *) (p + 1);
     }
     if (p == freep)