debugging prints

56c1a151 · rsc · d5596cd6 · 56c1a151
--- a/usertests.c
+++ b/usertests.c
@@ -256,6 +256,7 @@ preempt(void)
  int pid1, pid2, pid3;
  int pfds[2];

+  printf(1, "preempt: ");
  pid1 = fork();
  if(pid1 == 0)
    for(;;)
@@ -283,9 +284,11 @@ preempt(void)
    return;
  }
  close(pfds[0]);
+  printf(1, "kill... ");
  kill(pid1);
  kill(pid2);
  kill(pid3);
+  printf(1, "wait... ");
  wait();
  wait();
  wait();