summaryrefslogtreecommitdiff
path: root/user/alarmtest.c
diff options
context:
space:
mode:
Diffstat (limited to 'user/alarmtest.c')
-rw-r--r--user/alarmtest.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/user/alarmtest.c b/user/alarmtest.c
deleted file mode 100644
index ca3db23..0000000
--- a/user/alarmtest.c
+++ /dev/null
@@ -1,88 +0,0 @@
-//
-// test program for the alarm lab.
-// you can modify this file for testing,
-// but please make sure your kernel
-// modifications pass the original
-// versions of these tests.
-//
-
-#include "kernel/param.h"
-#include "kernel/types.h"
-#include "kernel/stat.h"
-#include "kernel/riscv.h"
-#include "user/user.h"
-
-void test0();
-void test1();
-void periodic();
-
-int
-main(int argc, char *argv[])
-{
- test0();
- test1();
- exit();
-}
-
-volatile static int count;
-
-void
-periodic()
-{
- count = count + 1;
- printf("alarm!\n");
- sigreturn();
-}
-
-// tests whether the kernel calls
-// the alarm handler even a single time.
-void
-test0()
-{
- int i;
- printf("test0 start\n");
- count = 0;
- sigalarm(2, periodic);
- for(i = 0; i < 1000*500000; i++){
- if((i % 250000) == 0)
- write(2, ".", 1);
- if(count > 0)
- break;
- }
- sigalarm(0, 0);
- if(count > 0){
- printf("test0 passed\n");
- } else {
- printf("test0 failed\n");
- }
-}
-
-void __attribute__ ((noinline)) foo(int i, int *j) {
- if((i % 2500000) == 0) {
- write(2, ".", 1);
- }
- *j += 1;
-}
-
-void
-test1()
-{
- int i;
- int j;
-
- printf("test1 start\n");
- count = 0;
- j = 0;
- sigalarm(2, periodic);
- for(i = 0; i < 500000000; i++){
- if(count >= 10)
- break;
- foo(i, &j);
- }
- if(i != j || count < 10){
- // i should equal j
- printf("test1 failed\n");
- } else {
- printf("test1 passed\n");
- }
-}